[ { "id": 730, "name": "Helion Energy", "slug": "helion-energy", "former_names": [ "Helion" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/b5119e7d1a685052ca06d144fde031fb2c13baf4.png", "website": "http://helionenergy.com", "all_locations": "Seattle, WA, USA; Everett, WA, USA", "long_description": "Helion is creating the world’s first fusion power plant, enabling a future with unlimited zero-carbon electricity. ", "one_liner": "Building the world's first fusion power plant", "team_size": 150, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1400927949, "tags": [ "Fusion Energy", "Hard Tech", "Climate", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2014", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/helion-energy", "api": "https://yc-oss.github.io/api/batches/summer-2014/helion-energy.json" }, { "id": 731, "name": "Oklo", "slug": "oklo", "former_names": [ "UPower Technologies Inc", "UPower" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/7296c0e632938afdac098d754da89730bfc674b7.png", "website": "http://oklo.com", "all_locations": "Santa Clara, CA, USA; Sunnyvale, CA, USA", "long_description": "About Oklo Inc.: \r\n\r\nOklo Inc. (Oklo) is developing advanced fission power plants to provide emission-free, reliable, and affordable energy. \r\n\r\nOklo received a Site Use Permit from the U.S Department of Energy, has performed successful prototypic fuel fabrication, was awarded fuel material from Idaho National Laboratory, developed the first advanced fission combined license application accepted and docketed by the U.S. Nuclear Regulatory Commission, and is developing advanced fuel recycling technologies in collaboration with the U.S. Department of Energy and national laboratories.\r\n\r\nOklo has been featured in Time, Newsweek, Wall Street Journal, CNBC, Popular Mechanics, Wired, Architectural Digest, Hyperallergic, POWER Magazine, has been the subject of a Harvard Business School case, and is featured in the Oliver Stone documentary Nuclear, among other features.", "one_liner": "Emission free, always on power from advanced fission power plants.", "team_size": 50, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1400930834, "tags": [ "Small Modular Reactors", "Climate" ], "tags_highlighted": [], "top_company": true, "isHiring": false, "nonprofit": false, "batch": "Summer 2014", "status": "Public", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/oklo", "api": "https://yc-oss.github.io/api/batches/summer-2014/oklo.json" }, { "id": 755, "name": "Bright", "slug": "bright", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/4f860d42183017f025fa2a44238b098217f8b456.png", "website": "https://www.thinkbright.mx", "all_locations": "Mexico City, CDMX, Mexico; Remote", "long_description": "Bright is Mexico’s #1 residential solar provider (think Sunrun for the developing world, starting first in Mexico). We provide the financing and software that enable thousands of student ambassadors and retail promoters to offer cheaper electricity to homes at no upfront cost, and we work with our network of hundreds of local installers and distributors to satisfy the resulting demand. Our first market is Mexico, which has more sun, higher electricity rates, and lower labor costs than the US. Bright's investors include First Round Capital, Y Combinator, and other top Silicon Valley firms.", "one_liner": "Sunrun for the developing world", "team_size": 100, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1416219275, "tags": [ "Fintech", "Solar Power", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2015", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Mexico", "Latin America", "Remote", "Fully Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/bright", "api": "https://yc-oss.github.io/api/batches/winter-2015/bright.json" }, { "id": 898, "name": "Reach", "slug": "reach", "former_names": [ "Supply", "Reach Labs" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/2996d2661354e506266f6122ea522379aa429590.png", "website": "https://reachpower.com", "all_locations": "Redwood City, CA, USA", "long_description": "Reach Labs is building long-range wireless power networks that deliver scalable, resilient energy infrastructure.", "one_liner": "Long range, wireless energy distribution that scales", "team_size": 45, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1430156117, "tags": [ "Climate", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Summer 2015", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/reach", "api": "https://yc-oss.github.io/api/batches/summer-2015/reach.json" }, { "id": 926, "name": "Oolu", "slug": "oolu", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/3751af1542889901d13184741ecfc6fe958d8930.png", "website": "http://oolusolar.com", "all_locations": "Dakar, Dakar Region, Senegal", "long_description": "Oolu was founded by Nilmi Senaratna and Dan Rosa in 2015. \r\n\r\nThe company's mission is to provide off-grid households in rural regions in Africa with high quality products at an affordable price. In Wolof, a national language of Senegal, Oolu means ‘trust.’", "one_liner": "Oolu is one of the fastest growing off-grid solar firms in West Africa", "team_size": 230, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1430156127, "tags": [ "Solar Power", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2015", "status": "Acquired", "industries": [ "Industrials", "Energy" ], "regions": [ "Senegal", "Africa", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": true, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/oolu", "api": "https://yc-oss.github.io/api/batches/summer-2015/oolu.json" }, { "id": 1017, "name": "MineralSoft", "slug": "mineralsoft", "former_names": [], "small_logo_thumb_url": "/company/thumb/missing.png", "website": "https://mineralsoft.com", "all_locations": "Austin, TX, USA", "long_description": "MineralSoft is the leading solution for mineral rights and royalty management. \r\n\r\nAre you looking for a better way to manage your minerals? Whether you're an investment fund, a family office, an individual, or an advisor, MineralSoft has a tailored solution for you. We combine industry-leading software with experienced, professional service to maximize the value of your assets. \r\n\r\nSave time, make money, and get peace of mind by managing your oil & gas interests with MineralSoft.", "one_liner": "Data management platform for oil & gas assets", "team_size": 35, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1447311917, "tags": [ "Analytics", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2016", "status": "Acquired", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/mineralsoft", "api": "https://yc-oss.github.io/api/batches/winter-2016/mineralsoft.json" }, { "id": 1063, "name": "Carbic", "slug": "carbic", "former_names": [ "FlowCommand" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/21c3986cf5375618111e8e0dd2fe8e1f0a784f09.png", "website": "http://carbic.com", "all_locations": "San Francisco, CA, USA", "long_description": "We are a sensor company that aims to accurately capture the behavior of high throughput fluid systems. With this information we can help improve operations while reducing spills and theft. This technology could change the way the oil and gas industry, water municipalities, and anyone dealing with high volume fluid, operates. Fleets of our proprietary lightweight hardware send raw ultrasonic data directly to our server via cellular/satellite; we then use a mix of physics equations, signal processing, and anomaly detection to determine the behavior of fluid (volume and speed) in pipes.", "one_liner": "using ultrasonics + ml to analyze fluid behavior at infrastructure…", "team_size": 8, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1447747516, "tags": [ "Industrial Workplace Safety", "SaaS", "IoT" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2016", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/carbic", "api": "https://yc-oss.github.io/api/batches/winter-2016/carbic.json" }, { "id": 1275, "name": "Validere", "slug": "validere", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/95373ab4e095e01315210960a86d3d588ac47f83.png", "website": "http://validere.com", "all_locations": "Toronto, ON, Canada", "long_description": "Validere is a measurement, reporting, and verification (MRV) SaaS company that helps energy organizations transform disconnected, incomplete data into clear and immediately actionable pathways to financial and environmental value. Over 50 of North America's leading energy companies rely on Validere's technology and multidisciplinary experts to understand their physical and environmental commodities and navigate an increasingly complex environment with clarity and ease. Validere is on a mission to better human prosperity by making the energy supply chain efficient and sustainable. The company has offices in Houston, Calgary, and Toronto.", "one_liner": "A carbon MRV solution for energy and hard-to-abate sectors", "team_size": 110, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1461732016, "tags": [ "IoT", "Climate", "Energy", "ClimateTech" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2016", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Canada", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/validere", "api": "https://yc-oss.github.io/api/batches/summer-2016/validere.json" }, { "id": 1282, "name": "GTRACK Technologies", "slug": "gtrack-technologies", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/c829f7c14250a37c4d9ade594c3ff633807302dd.png", "website": "http://www.gtracktechnologies.com", "all_locations": "San Francisco, CA, USA", "long_description": "Y Combinator S16 Batch. Nanoparticle fluorescent tracers for reservoir characterization in geothermal and oilfield applications.", "one_liner": "Nanoparticle tracers for reservoir characterization during hydraulic…", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1461817211, "tags": [ "Hard Tech", "Nanosensors" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2016", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/gtrack-technologies", "api": "https://yc-oss.github.io/api/batches/summer-2016/gtrack-technologies.json" }, { "id": 1468, "name": "Nuvola", "slug": "nuvola", "former_names": [ "Millibatt", "Inc.", "Millibatt" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/a69a38d3f5dd1a9919eee8cbd6aa2fcb4dc31a4c.png", "website": "http://nuvola.tech", "all_locations": "Los Angeles, CA, USA", "long_description": "At Nuvola, we're commercializing SafeCoat, a spray-on separator that is directly deposited onto electrodes, removing the need for conventional separator films and the massive infrastructure to build them.\r\n\r\nSafeCoat has been piloted with top-tier battery and automotive manufacturers and is ready for commercial deployment. Industry leaders are drawn to its impact: it reduces fire risk by 99%, cuts manufacturing scrap by 70%, and saves $350M per 40GWh factory. Our capital-light model requires just $8M in CAPEX to reach profitability in 2027.", "one_liner": "Nuvola is transforming battery manufacturing, making EV batteries…", "team_size": 4, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1478194835, "tags": [ "Alternative Battery Tech", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2017", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/nuvola", "api": "https://yc-oss.github.io/api/batches/winter-2017/nuvola.json" }, { "id": 1585, "name": "Sunfolding", "slug": "sunfolding", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/d2a2011cd8d88972eec582c9fa98805864f2373f.png", "website": "http://www.sunfolding.com", "all_locations": "San Francisco, CA, USA", "long_description": "Sunfolding was founded in 2012 with headquarters in San Francisco, CA. Sunfolding designs, manufactures and sells balance of system products that offer cost and performance breakthroughs to stakeholders across the solar industry. Currently, Sunfolding’s main product offering is an advanced solar tracker, Sunfolding T29™ Horizontal Single Axis Tracker.\r\n\r\nSunfolding’s executive team has collectively built and sold GWs of solar globally, successfully launching new solar products and technologies at leading solar companies including First Solar, SMA America, Kaco, and SunPower. The Sunfolding team is a blend of top technical talent with recognized industry leaders", "one_liner": "Sunfolding builds next generation infrastructure for solar farms. By…", "team_size": 44, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1493095293, "tags": [ "Solar Power", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2017", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/sunfolding", "api": "https://yc-oss.github.io/api/batches/summer-2017/sunfolding.json" }, { "id": 1704, "name": "NextDrop", "slug": "nextdrop", "former_names": [ "NextDrop Technologies" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/67360132b1680f560e9b085055d4bff122269265.png", "website": "https://thenextdrop.com/", "all_locations": "Bengaluru, KA, India", "long_description": "NextDrop is a for-profit enterprise with a social mission- we want to rid the world of its water problems. It’s not a big deal. We think it can be done. And what we’ve managed to achieve so far only reaffirms our belief. \r\n\r\nNextDrop was founded in 2011 with a pilot in Hubli-Dharwad district of Karnataka. Four years later, we have 70,000 users registered with us across Karnataka. Our vision is simple- we want to link the private sector, government utilities and citizens to create an endless loop of timely service provision and feedback collection, and bridge all the gaps in between. And to do this, we try to harness the latest, cutting edge technology. \r\n\r\nWater is our mission. Data is our business. NextDrop crowdsources water data and creates algorithms and visualizations to improve urban water distribution across emerging markets. Urban residents can get a text message an hour before water arrives, if water supply is cancelled, or if there is contamination or low pressure present in the pipe network. On the utility side, engineers get a live feed on problems arising in the distribution system, so they can tackle issues in real time.", "one_liner": "NextDrop is the water marketplace for urban India. We connect water…", "team_size": 11, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1496779975, "tags": [ "Marketplace", "India" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2017", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "India", "South Asia" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/nextdrop", "api": "https://yc-oss.github.io/api/batches/summer-2017/nextdrop.json" }, { "id": 11957, "name": "Green Energy Exchange", "slug": "green-energy-exchange", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/253be8486b2bbfaea7a77b6072dee0232ce5445a.png", "website": "http://getgex.com", "all_locations": "Austin, TX, USA", "long_description": "The Green Energy Exchange delivers affordable renewable energy direct to homes and businesses. The company offers the most affordable green energy plans in the market and is dedicated to increasing the demand for renewable energy by offering to clean energy at affordable prices. By removing middleman and inefficiencies we can provide lower prices to consumers, higher revenues to generators and help increase the adoption of clean energy sources. Empowering people to buy renewable energy at great prices will help move us to a cleaner and greener future. We are a licensed retail electric provider and operate in Texas currently. ", "one_liner": "We deliver affordable renewable energy direct to customers and are…", "team_size": 3, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1541122486, "tags": [ "Climate", "Renewable Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2019", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/green-energy-exchange", "api": "https://yc-oss.github.io/api/batches/winter-2019/green-energy-exchange.json" }, { "id": 12287, "name": "Prometheus", "slug": "prometheus", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/a1439ba0d08371919c2c6e45e334b24fd8d43892.png", "website": "http://www.prometheusfuels.com", "all_locations": "Santa Cruz, CA, USA", "long_description": "We remove CO2 and water from the air and use electricity from solar and wind power to turn them into zero net carbon electrofuels. These are gasoline, diesel, and jet fuels that work in existing cars, trucks and planes without requiring modification of their engines, and don't contribute to global warming because they don't add any new CO2 to the atmosphere. Each gallon of our electrofuels means a gallon of fossil oil left in the ground forever. Importantly, these fuels for the first time can compete with fossil fuels on price - our zero net carbon jet fuel has a price of one cent per gallon less than fossil jet fuel. American Airlines ordered 10 million gallons of this fuel and we will start shipping it next year.", "one_liner": "We use solar and wind power to make zero net carbon electrofuels", "team_size": 25, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1544076172, "tags": [ "Energy Storage", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2019", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/prometheus", "api": "https://yc-oss.github.io/api/batches/winter-2019/prometheus.json" }, { "id": 12621, "name": "Kitekraft", "slug": "kitekraft", "former_names": [ "kiteKRAFT" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/563de955e2c51775116bc17224ca20a8d3c2a3c8.png", "website": "http://www.kitekraft.de", "all_locations": "Munich, BY, Germany", "long_description": "Kitekraft systems consist of a tethered electric aircraft, a.k.a. a kite. The kite has 8 onboard (flying) wind turbines. It autonomously flies in figure eights and generates electrical energy from the wind. Our systems need 10x less construction materials compared to a conventional wind turbine and our systems cost half as much.", "one_liner": "Building flying wind turbines.", "team_size": 6, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1597610441, "tags": [ "Hardware", "Climate", "Renewable Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2019", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Germany", "Europe" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/kitekraft", "api": "https://yc-oss.github.io/api/batches/summer-2019/kitekraft.json" }, { "id": 13151, "name": "SINAI", "slug": "sinai", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/ca1b3c58048a0b3af5e5c4bc4ff2d42a9b11ff0a.png", "website": "http://www.sinai.com", "all_locations": "San Francisco, CA, USA", "long_description": "SINAI Technologies is an enterprise software that helps carbon-intensive companies to price carbon emissions, manage carbon taxes, and reduce emissions in the most cost-effective way. ", "one_liner": "Enterprise software to quantify cost-effective decarbonization…", "team_size": 50, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1587055378, "tags": [ "Carbon Capture and Removal", "SaaS", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2020", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/sinai", "api": "https://yc-oss.github.io/api/batches/winter-2020/sinai.json" }, { "id": 21788, "name": "Zitara Technologies, Inc.", "slug": "zitara-technologies-inc", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/8705f34089ca7162f6ec3c2a67b6c69a4de6adad.png", "website": "https://zitara.com", "all_locations": "San Francisco, CA, USA", "long_description": "Batteries have a big role to play in tackling the climate crisis, and it’s essential to make sure that they’re safe and reliable to operate.\r\n\r\nAt Zitara, we build cutting-edge software solutions that empower companies to deeply understand their batteries, both in design and deployment. It’s all part of our work to enable a renewable energy revolution, powered by safer batteries, at a lower cost, with less waste.", "one_liner": "Predictive battery management software for electrified fleets", "team_size": 33, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1645222968, "tags": [ "Climate", "Electric Vehicles" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2020", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/zitara-technologies-inc", "api": "https://yc-oss.github.io/api/batches/summer-2020/zitara-technologies-inc.json" }, { "id": 21979, "name": "Statiq.", "slug": "statiq", "former_names": [ "Statiq ( by Shatify Services Private Limited )", "Statiq ( by Sharify Services Private Limited )", "Statiq ( Sharify Services Private Limited )" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/826b10a93d1a290ef6eea0a5ea3d3e6fcc24af06.png", "website": "https://statiq.in/", "all_locations": "Gurugram, HR, India; Bengaluru, KA, India", "long_description": "Statiq connects electric vehicle owners to EV chargers. EV owners can discover chargers near them, pre-book a slot and pay for the usage conveniently. Property owners can buy, share their chargers, manage them and earn by becoming charger hosts with Statiq. Our EV chargers can be found at shopping malls, workplaces, restaurants , hotels, residential spaces. ", "one_liner": "India's Largest EV charging network", "team_size": 200, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1596603047, "tags": [ "Marketplace", "Climate", "Electric Vehicles" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2020", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "India", "South Asia", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/statiq", "api": "https://yc-oss.github.io/api/batches/summer-2020/statiq.json" }, { "id": 22789, "name": "Gridware", "slug": "gridware", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/b29a81d7939c72383911910428333ce0a52db2e8.png", "website": "https://www.gridware.io", "all_locations": "San Francisco, CA, USA", "long_description": "Gridware exists to enhance and protect the mother of all networks: the electrical grid. The grid touches everyone and makes our modern economy possible. But it’s also fragile. When the grid is compromised, everything grinds to a halt, and the consequences can be dire: wildfires burn, land is destroyed, property is damaged, progress stops, and lives are lost. \r\n\r\nOur team builds smart sensors that help utility companies to immediately detect, find, and fix outages and take steps to prevent new outages, and other related disasters, from happening at all. The need for power will only increase. We protect the grid of today while we build the grid of tomorrow. \r\n\r\nGridware is privately held and backed by the best climate-tech and Silicon Valley investors. We are headquartered in San Francisco", "one_liner": "Protecting the grid today, preparing the grid for tomorrow", "team_size": 125, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1613700116, "tags": [ "Hardware", "Climate", "Energy", "Enterprise Software" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Winter 2021", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": true, "url": "https://www.ycombinator.com/companies/gridware", "api": "https://yc-oss.github.io/api/batches/winter-2021/gridware.json" }, { "id": 22935, "name": "Aurabeat", "slug": "aurabeat", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/fd565a9a2988054f8f92348660341b0fcab0965f.png", "website": "https://www.aurabeattech.com/", "all_locations": "Hong Kong, Hong Kong", "long_description": "We make Air Purifier and filters that is certified to eliminate COVID-19 and most other viruses and bacteria. Our technology is independently lab tested, EPA certified and FDA registered. Our air purifiers are already found in homes, businesses and government facilities around the world to help protect their customers and employees from airborne pathogens.", "one_liner": "Providing clean, safe, virus free air for homes, buildings and cars", "team_size": 12, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1694135723, "tags": [ "Hardware", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2021", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Hong Kong", "East Asia" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/aurabeat", "api": "https://yc-oss.github.io/api/batches/winter-2021/aurabeat.json" }, { "id": 22953, "name": "Enode", "slug": "enode", "former_names": [ "Enode AS" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/d173e80b5b8cf1006b5c3b5baa37e052acecc8c5.png", "website": "http://www.enode.com", "all_locations": "Oslo, Oslo, Norway; Remote", "long_description": "Enode’s APIs enable you to instantly connect users’ energy devices — including EVs, solar inverters, home batteries and thermostats — to your app. ", "one_liner": "An API for electric vehicles and other energy hardware (DERs)", "team_size": 40, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1616508622, "tags": [ "Climate", "API", "Electric Vehicles" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Winter 2021", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Norway", "Europe", "Remote", "Fully Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/enode", "api": "https://yc-oss.github.io/api/batches/winter-2021/enode.json" }, { "id": 23202, "name": "Moxion Power Co.", "slug": "moxion-power-co", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/7085b1cacdc3678e771186e5b7922d0cb6e93100.png", "website": "https://www.moxionpower.com/", "all_locations": "Richmond, CA, USA", "long_description": "Moxion Power manufactures mobile energy storage products and technologies, which enable last-mile electrification in industries such as construction, transportation, events and entertainment, film production and telecommunications. ", "one_liner": "Mobile Energy Storage Technology", "team_size": 380, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1614703120, "tags": [ "Energy Storage", "Climate", "Energy", "Renewable Energy", "Electric Vehicles" ], "tags_highlighted": [], "top_company": true, "isHiring": false, "nonprofit": false, "batch": "Winter 2021", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/moxion-power-co", "api": "https://yc-oss.github.io/api/batches/winter-2021/moxion-power-co.json" }, { "id": 23318, "name": "inBalance", "slug": "inbalance", "former_names": [ "InBalance" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/99290b7945e22f2dcc0d8b0286db8221c37245e7.png", "website": "https://inbalanceresearch.com", "all_locations": "San Francisco, CA, USA; Cambridge, MA, USA; Remote", "long_description": "We use machine learning to accurately forecast electricity prices. Our live customers, including Enel, use our software to improve revenue by millions of dollars per year.", "one_liner": "Electricity price forecasts for energy storage, ev charging, etc.", "team_size": 10, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1615837960, "tags": [ "Energy Storage", "SaaS", "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2021", "status": "Acquired", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/inbalance", "api": "https://yc-oss.github.io/api/batches/winter-2021/inbalance.json" }, { "id": 24489, "name": "HeyCharge", "slug": "heycharge", "former_names": [ "HeyCharge GmbH" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/febcfa2ac5368d848d9d33996b7ca8c6c4a7cfd1.png", "website": "https://heycharge.com/", "all_locations": "Munich, BY, Germany", "long_description": "EV charging infrastructure today is expensive, difficult to install, and doesn't integrate well with existing products, services, and businesses. HeyCharge solves all of these problems with ultra-low-cost, plug-and-play EV chargers that don't require internet connections and integrate with third-party products via our SDK and APIs. Our customers are energy utilities, property operators, mobility service providers, and more.", "one_liner": "Low-cost, high-scale EV charging platform for apartments (and more).", "team_size": 17, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1627234332, "tags": [ "Climate" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Summer 2021", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Germany", "Europe", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/heycharge", "api": "https://yc-oss.github.io/api/batches/summer-2021/heycharge.json" }, { "id": 24649, "name": "Kapacity.io", "slug": "kapacity-io", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/371852e7c57c58247dd6d4d5010a083c33b949f5.png", "website": "https://kapacity.io", "all_locations": "Helsinki, Finland", "long_description": "Kapacity.io is building the future of smart energy grids with an electricity Load Balancing service focused on buildings.", "one_liner": "Reducing energy costs & emissions in buildings.", "team_size": 7, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1625593591, "tags": [ "Real Estate", "Climate", "Renewable Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2021", "status": "Acquired", "industries": [ "Industrials", "Energy" ], "regions": [ "Finland", "Europe" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/kapacity-io", "api": "https://yc-oss.github.io/api/batches/summer-2021/kapacity-io.json" }, { "id": 26138, "name": "KorrAI", "slug": "korrai", "former_names": [ "KorrAI Technologies Ltd." ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/33961621d8602321f304fcd55e4abfa80d7569d4.png", "website": "https://www.korrai.com", "all_locations": "Toronto, ON, Canada", "long_description": "We exist for the moments when the data is overwhelming, the timeline is unforgiving, and the decision can't wait, giving every stakeholder the clarity and confidence to act on high-stakes decisions across critical infrastructure, mining, and commercial insurance.\r\n\r\nTRAIL is the AI workspace for site risk assessments, investment decisions, hazard identification, and continuous monitoring across the full project lifecycle. It unifies geospatial data, geotechnical studies, proprietary satellite data pipelines, catastrophe model outputs, and engineering documentation into a single, traceable AI workspace. \r\n\r\nSo every analysis output, failure mode, and report is grounded in defense.\r\n\r\nBuilt for mining operations, risk engineers, underwriters, geotechnical consultants, and asset owners who can't afford to miss early signals.\r\n\r\nWe have worked with Zurich North America, Amazon Web Services, Stantec, TransAlta, Ramboll, Agnico Eagle, Hecla, and Eldorado Gold Corporation, and many more- across mining, data centers, energy infrastructure, and commercial property insurance.", "one_liner": "Traceable AI for billion-dollar infrastructure.", "team_size": 24, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1643659113, "tags": [ "Artificial Intelligence", "Construction", "Insurance", "Mining" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Winter 2022", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Canada", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/korrai", "api": "https://yc-oss.github.io/api/batches/winter-2022/korrai.json" }, { "id": 26243, "name": "Phoenix Hydrogen", "slug": "phoenix-hydrogen", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/8301691eddf532285fe9add6d7c08ae5d764a72e.png", "website": "https://phoenixhydrogen.com/", "all_locations": "Berkeley, CA, USA; Remote", "long_description": "Phoenix Hydrogen is building the first commodity marketplace for hydrogen. This year, $9.5B in federal grants will fund the first hydrogen grids, but this ecosystem has no marketplace. We’re uniquely able to build one because we’re already working with big utilities on a fulfillment platform: a 1000'-tall underground warehouse for hydrogen.", "one_liner": "First commodity marketplace for hydrogen.", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1647534399, "tags": [ "Energy Storage", "Hydrogen Energy", "Marketplace", "Climate", "ClimateTech" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2022", "status": "Inactive", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/phoenix-hydrogen", "api": "https://yc-oss.github.io/api/batches/winter-2022/phoenix-hydrogen.json" }, { "id": 26801, "name": "Evoly", "slug": "evoly", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/15bd487f1318bd8903bdefa5fe13d9ef7b9e0891.png", "website": "https://www.evolyenergy.com", "all_locations": "Remote, OR, USA; San Francisco, CA, USA; Lausanne, VD, Switzerland; Remote", "long_description": "Evoly makes smart electric & water meters. \r\n\r\nWe save a typical utility over $4M a year.\r\n\r\nElectric and water meter measure your consumption, A smart meter on the other hand not only measure it, it also send this consumption data and a lot more remotely and wirelessly to the utility. \r\n\r\nWe are a plug and play, easy to install, 5 times cheaper smart metering solution.\r\nWe are a B2B company and our customer are the Utilities \r\n\r\nThanks to our software they get 24/7 view on their grid and a wide range of possibilities :\r\n- Remote meter reading\r\n- Detecting fraud \r\n- Turning electricity on and off remotely \r\n- Time of use pricing ", "one_liner": "Smart electric & water meters as a service", "team_size": 4, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1656952444, "tags": [ "Climate", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2022", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "Switzerland", "America / Canada", "Europe", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/evoly", "api": "https://yc-oss.github.io/api/batches/summer-2022/evoly.json" }, { "id": 26807, "name": "MaverickX", "slug": "maverickx", "former_names": [ "Maverick Bioworks", "Maverick BioMetals", "Maverick Metals" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/863f997124ddcf68b9b2129609f950b6485be63f.png", "website": "https://www.MaverickX.com", "all_locations": "Austin, TX, USA", "long_description": "MaverickX is a chemical technology company advancing natural resource extraction. The company was founded by Eric Herrera, former Department of Defense scientist, and Jesse Evans, former startup operations manager. \r\n\r\nAs resources become more difficult to extract across the energy and mining sectors, new technologies are needed. MaverickX has a portfolio of chemical solutions -- PetroX and LithX -- to enhance recovery of oil from shale reservoirs and metals from low-grade ores. \r\n\r\nMore oil. More metal. Better chemistry.\r\n\r\n", "one_liner": "Engineering the future of chemistry for natural resource extraction", "team_size": 30, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1654465495, "tags": [ "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Summer 2022", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/maverickx", "api": "https://yc-oss.github.io/api/batches/summer-2022/maverickx.json" }, { "id": 28214, "name": "Atmeto", "slug": "atmeto", "former_names": [ "Keeling Labs" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/9903b97190d67a01064a67c7522d3703402c8f0c.png", "website": "https://www.atmeto.com", "all_locations": "Los Angeles, CA, USA", "long_description": "Founded in 2022, Atmeto was started as a place to develop and apply machine learning to solve the world's biggest problem—climate change. Our current priority is getting the grid to run on 100% clean energy, which is currently limited by battery storage (specifically, the algorithms that control them).\r\n\r\nWe're redefining these algorithms to unlock gigawatts of untapped energy storage capacity, enabling the grid to run on more clean energy from wind and solar.", "one_liner": "We develop ML that optimizes how batteries in the grid store energy", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1674416288, "tags": [ "Energy Storage", "Reinforcement Learning", "Climate", "Energy", "ClimateTech" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2023", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/atmeto", "api": "https://yc-oss.github.io/api/batches/winter-2023/atmeto.json" }, { "id": 28745, "name": "Nectar", "slug": "nectar", "former_names": [ "Pairly Climate", "Inc." ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/7411f4ecb5153ac85174724f663e8e21142f624a.png", "website": "https://nectarclimate.com", "all_locations": "San Francisco, CA, USA", "long_description": "Nectar is the modern AI energy management platform. We automate utility data analysis to optimize energy costs, manage buildings, and report energy efficiency metrics for energy and sustainability teams. Our utility data API uses in-house AI agents to deliver the most accurate granular usage and cost data on the market.", "one_liner": "Manage energy cost & usage with AI for facility & sustainability teams", "team_size": 7, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1688762834, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Summer 2023", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/nectar", "api": "https://yc-oss.github.io/api/batches/summer-2023/nectar.json" }, { "id": 29444, "name": "Vista Power", "slug": "vista-power", "former_names": [ "Vista Space" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/200c92ec7689cca5def8c23c08741030c6d28f97.png", "website": "https://vistapower.com", "all_locations": "San Francisco, CA, USA", "long_description": "Vista designs, finances, installs, and manages energy storage and solar at commercial, industrial, and multifamily properties for $0 upfront, helping businesses save up to 30% on their energy bills. The founding team previously worked at SpaceX, Rocket Lab, NASA and Firefly.", "one_liner": "Batteries and solar for $0 upfront to help businesses save money", "team_size": 3, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1706595297, "tags": [ "Energy Storage", "B2B", "Sustainability", "Manufacturing", "Renewable Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2024", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/vista-power", "api": "https://yc-oss.github.io/api/batches/winter-2024/vista-power.json" }, { "id": 29667, "name": "Rewbi", "slug": "rewbi", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/05452330a078be465b5353a9b54ad87966552d0b.png", "website": "https://www.rewbi.com/", "all_locations": "San Francisco, CA, USA", "long_description": "Rewbi uses AI to optimize grid-connected battery storage. We generate revenue by charging when electricity is cheap and discharging when electricity is expensive.\r\n\r\nWe rent battery storage for a fixed fee per month, and we earn 2x that fee in monthly revenue by dispatching the battery optimally.\r\n\r\nToday, power companies use human traders to manually track grid conditions and update the battery’s dispatch schedule. However batteries can adjust their power output 100x faster than traditional power generation (e.g. hydro, coal, nuclear, gas), with the ability to go from full-speed charging to full speed discharging in under a minute. Electricity prices change every 5 minutes, often by 300% or more. Our AI better tracks 100s of live inputs, and it makes decisions faster than a human operator (with lower overhead!), improving revenue 2x.", "one_liner": "Rewbi uses AI to increase grid-connected battery storage revenue 2x", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1724874761, "tags": [ "Energy Storage", "B2B", "Energy", "Renewable Energy", "ClimateTech" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2024", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/rewbi", "api": "https://yc-oss.github.io/api/batches/summer-2024/rewbi.json" }, { "id": 29803, "name": "Ionworks", "slug": "ionworks", "former_names": [ "Ionworks Technologies Inc" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/9d19f43559a7c58d6263bc07ad06e83fd4ad1f0a.png", "website": "https://ionworks.com/", "all_locations": "Remote", "long_description": "Every battery company spends tens of millions of dollars a year on experiments. Simulations that replace experiments reduce these costs but are currently underutilized in industry because they are hard to create and run. We make simulations accessible to every engineer, by helping them to create models from their own data, then run large scale simulations in the cloud to explore the full design space.", "one_liner": "Simulation software used by leading battery and automotive companies", "team_size": 5, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1721785352, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2024", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/ionworks", "api": "https://yc-oss.github.io/api/batches/summer-2024/ionworks.json" }, { "id": 30201, "name": "Dartboard Energy", "slug": "dartboard-energy", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/da8574389e1b618977a4c248ea7c02e6d8d5dc9b.png", "website": "https://dartboardenergy.com", "all_locations": "San Francisco, CA, USA", "long_description": "Dartboard is an AI Analyst for Electricity Markets, starting with the owners of grid-scale battery projects.", "one_liner": "AI Analyst for Electricity Markets", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1739492408, "tags": [ "Energy Storage", "B2B", "Analytics", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2025", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/dartboard-energy", "api": "https://yc-oss.github.io/api/batches/winter-2025/dartboard-energy.json" }, { "id": 30202, "name": "Astro", "slug": "astro", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/988eb2e2b20c2a99fe4d96b54932cdebea0632d4.png", "website": "https://www.astroenergy.ai/", "all_locations": "New York City, NY, USA", "long_description": "Astro finds and buys land for new renewable energy projects, secures grid connections at minimal cost, and sells these development-ready projects to larger energy companies. Founded by Alex Fuster, a former Citadel energy trader, Astro's AI models identify profitable grid connections that eliminate the surprise costs causing 80-90% of renewable projects to fail. With the U.S. needing 2,000 gigawatts of new power generation by 2035 for AI data centers and electrification, Astro unlocks development opportunities that traditional methods consistently miss.", "one_liner": "The world’s first AI energy developer", "team_size": 1, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1739813505, "tags": [ "Solar Power", "Energy", "Renewable Energy", "ClimateTech", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2025", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/astro", "api": "https://yc-oss.github.io/api/batches/winter-2025/astro.json" }, { "id": 30224, "name": "Maritime Fusion", "slug": "maritime-fusion", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/2af0192d25e843e5333e635fa35115413fbca155.png", "website": "https://maritimefusion.com", "all_locations": "San Francisco, CA, USA", "long_description": "Maritime Fusion is building fusion reactors for ships and off grid energy markets. En route on this endeavor we’re commercializing High Temperature Superconducting (HTS) cable technology for power distribution while advancing the physics basis of our HTS tokamak to decarbonize global shipping. \r\n\r\nBreakeven fusion is coming soon, but the first-of-a-kind (FOAK) reactors will be costly, high maintenance, and have low capacity factors, leading to 5–10x higher electricity cost on the grid. Maritime Fusion is pursuing the most widely accepted approach to fusion, the tokamak, but specifically designed for the marine environment where the challenges that arise between breakeven and a commercially viable energy source are alleviated. The market we're targeting requires 15x less power, lower up-time, and costs the same as alternative fuels but without any emissions. Since fusion does not use highly radioactive fuels or materials – unlike fission – we sidestep the vast majority of regulatory challenges and safety risks associated with nuclear energy. Our team brings over a decade of industry and research experience in plasma physics, nuclear engineering, and electrical engineering with backgrounds at SpaceX, Tesla, Columbia University, and University of Pennsylvania.", "one_liner": "Fusion reactors for ships", "team_size": 6, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1739572830, "tags": [ "Fusion Energy", "Hard Tech", "Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Winter 2025", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/maritime-fusion", "api": "https://yc-oss.github.io/api/batches/winter-2025/maritime-fusion.json" }, { "id": 30502, "name": "PowerMatrix", "slug": "powermatrix", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/3151e6fee623bc4e7d2fd788b61365adf887f421.png", "website": "https://pwrmatrix.com", "all_locations": "London, England, United Kingdom", "long_description": "PowerMatrix provides the MOST efficient and compact next-generation high-performance power supplies for emerging technologies, such as GPUs, xPUs, AI server, datacenters, drones, EV, aerospace, etc. \r\n\r\nBased on patented circuit topology, embedded packaging, and novel magnetics, our power supply systems can reduce energy loss by up to 50%. \r\n\r\nWe have developed several prototypes and are collaborating with world-leading customers.", "one_liner": "Efficient and compact power supply for AI hardware", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1748546232, "tags": [ "Hard Tech", "Hardware", "Energy", "Semiconductors", "Electronics" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Spring 2025", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United Kingdom", "Europe" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/powermatrix", "api": "https://yc-oss.github.io/api/batches/spring-2025/powermatrix.json" }, { "id": 31021, "name": "Zephyr Fusion", "slug": "zephyr-fusion", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/c896e2a98ef03115005ed5ae8acd4500d7eea752.png", "website": "https://www.zephyrfusion.com", "all_locations": "San Diego, CA, USA", "long_description": "Zephyr Fusion is building the first in-orbit fusion power source: a megawatt-class reactor enabling large-scale industry in space, at a fraction of the cost of equivalent solar.\r\n\r\nFounded by former physicists from Lawrence Livermore and Oak Ridge National Laboratories, Zephyr leverages decades of fusion research to deliver a compact magnetic confinement system designed to take advantage of the space environment.", "one_liner": "Powering tomorrow's industrial revolution in space", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1762532179, "tags": [ "Fusion Energy", "Hard Tech", "Satellites", "Aerospace" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Fall 2025", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/zephyr-fusion", "api": "https://yc-oss.github.io/api/batches/fall-2025/zephyr-fusion.json" }, { "id": 31023, "name": "Inviscid AI", "slug": "inviscid-ai", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/edd438978013e82ecd281b761baafad0dab9c68e.png", "website": "https://inviscidai.com/", "all_locations": "Remote", "long_description": "Inviscid AI builds physics-informed AI solutions that transform how buildings and data centers operate. By combining real-time IoT sensor data with computational fluid dynamics (CFD) modeling, we create digital twins that simulate building performance in real time and autonomously optimize operations.\r\n\r\nOur platform optimizes airflow patterns and ventilation strategies to eliminate dead zones, improve air distribution, and reduce the load on mechanical systems. On the energy side, we minimize HVAC power consumption, reduce cooling costs, and lower overall operational expenses while maintaining optimal thermal comfort and indoor air quality. Beyond immediate operational efficiency, we optimize equipment scheduling and maintenance cycles by predicting system behavior under different conditions, allowing facilities managers to proactively address issues before they become problems.\r\n\r\nOur physics first approach ensures that we're not just optimizing against historical patterns, but optimizing based on a deep understanding of how air, heat, and energy actually move through your building, enabling us to find solutions that traditional rule-based or purely data-driven systems would miss.", "one_liner": "Real-time Physics Simulations for Industrial Facilities & Data Centers", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1769244149, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/inviscid-ai", "api": "https://yc-oss.github.io/api/batches/winter-2026/inviscid-ai.json" }, { "id": 31135, "name": "RoboDock", "slug": "robodock", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/8d6ce96c0e4a1cbd7e0458649e2af7fa551e2bfb.png", "website": "https://www.robodock.tech/", "all_locations": "San Francisco, CA, USA", "long_description": "RoboDock builds robots that automate depot operations, like charging and vehicle checks, for electric and autonomous vehicle fleets. We turn fleet depots from manual sites into self-running systems that lower operational costs and increase vehicle uptime.", "one_liner": "Robots that run autonomous depots for autonomous fleets.", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1769119894, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/robodock", "api": "https://yc-oss.github.io/api/batches/winter-2026/robodock.json" }, { "id": 31158, "name": "Terranox AI", "slug": "terranox-ai", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/5f32ec888cb2d0eee4fa5e89a1e14a8af2c2f61f.png", "website": "https://terranox.ai", "all_locations": "San Francisco, CA, USA", "long_description": "Terranox is the first vertically integrated AI-powered uranium exploration company. We find high-grade uranium deposits in North America using AI trained on 70+ years of exploration outcomes. Our mission is to find the fuel we need to power the next century with nuclear energy.", "one_liner": "The first AI-powered uranium discovery company", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1771881994, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": true, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/terranox-ai", "api": "https://yc-oss.github.io/api/batches/winter-2026/terranox-ai.json" }, { "id": 31219, "name": "Voxel Energy", "slug": "voxel-energy", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/74fcdd0e430ec52b7926e6bf7ffe4e4cbb1b2571.png", "website": "https://voxelenergy.com/", "all_locations": "", "long_description": "The best grid connection is no grid connection. Voxel builds vertically integrated energy generation and storage systems for data centers that bypass utility connection delays. \r\n\r\nBy leveraging the vast supply of second-life EV batteries and our novel DC microgrid architecture, Voxel generates datacenter power on site and drastically reduces system cost and time-to-power.", "one_liner": "Energy independent data centers with solar and repurposed batteries. ", "team_size": 3, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1768576763, "tags": [ "Artificial Intelligence", "Hardware", "Solar Power", "Energy", "Renewable Energy" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Unspecified" ], "stage": "Early", "app_video_public": true, "demo_day_video_public": true, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/voxel-energy", "api": "https://yc-oss.github.io/api/batches/winter-2026/voxel-energy.json" }, { "id": 31245, "name": "Squid", "slug": "squid", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/93fe1704e4703d232c51eb59b83175a7dcf288f7.png", "website": "https://squid.energy", "all_locations": "London, England, United Kingdom", "long_description": "We believe the electricity grid is the most important machine on Earth. If we want electrification to move fast, the teams planning and operating networks need software that is as modern as the challenge.\r\n\r\nOur thesis is simple. Better decisions come from one unified, trusted network model. When everyone works from the same model, planning becomes consistent, assumptions are visible, and progress stops getting lost in spreadsheets and static reports.\r\n\r\nSquid is AI powered grid planning in your browser. We have spent years inside National Grid, Octopus Energy, and AWS, building and learning what breaks. Now we are building what we wished existed.", "one_liner": "AI agents for power grid planning 🦑 ", "team_size": 3, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1768422882, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United Kingdom", "Europe" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/squid", "api": "https://yc-oss.github.io/api/batches/winter-2026/squid.json" }, { "id": 31303, "name": "Condor Energy", "slug": "condor-energy", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/8fb409eebab1bce05d1234942c6f03c6739eec60.png", "website": "https://www.condor.energy", "all_locations": "", "long_description": "Condor helps large electricity consumers - C&I and data centers - cut electricity costs by helping the grid.\r\nWe are former electricity traders and energy physicists. We build an AI-powered software that our clients use to optimize their energy procurement - making sure they always have access to cheap & reliable power.", "one_liner": "Software for enterprise energy procurement.", "team_size": 3, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1770133131, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "Unspecified" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/condor-energy", "api": "https://yc-oss.github.io/api/batches/winter-2026/condor-energy.json" }, { "id": 31399, "name": "Madrone", "slug": "madrone", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/1e3bc19e9055d8345250c7f097d06dc514f21674.png", "website": "https://madrone.cool/", "all_locations": "San Francisco, CA, USA", "long_description": "Madrone builds cooling systems for data centers. In Texas, where most new sites are, Madrone can cool using 30% less power and water, thanks to novel dew-point cooling technology. ", "one_liner": "Hyper-efficient coolers for data centers", "team_size": 2, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1778520435, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Spring 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/madrone", "api": "https://yc-oss.github.io/api/batches/spring-2026/madrone.json" }, { "id": 31503, "name": "Apollo Atomics, Inc.", "slug": "apollo-atomics-inc", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/16f6645d8ad61e91c9ab2ac0538b531424aa4cb7.png", "website": "https://apolloatomics.com/", "all_locations": "Boston, MA, USA", "long_description": "", "one_liner": "We make the most compact nuclear reactors", "team_size": null, "industry": "Industrials", "subindustry": "Industrials -> Energy", "launched_at": 1779451083, "tags": [], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Spring 2026", "status": "Active", "industries": [ "Industrials", "Energy" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": false, "url": "https://www.ycombinator.com/companies/apollo-atomics-inc", "api": "https://yc-oss.github.io/api/batches/spring-2026/apollo-atomics-inc.json" } ]