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Energy startups in Boston
37 energy startups in Boston have raised money in rounds we track. These are the 37 that have raised the most, $4.5B between them.
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Form EnergyForm Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.
Founded 2017Somerville, United States$2.0Blast round Sept 2026 - 2
Greenvolt PowerGreenvolt Power is a renewable energy platform that develops and operates onshore Wind and photovoltaic installations.Greenvolt Power is a renewable energy platform that develops and operates onshore Wind and photovoltaic installations.
Founded -Boston, United States$411Mlast round Feb 2026 - 3
Ramaco ResourcesRamaco Resources is a coal mining company that operates and develops metallurgical coal mines.Ramaco Resources is a coal mining company that operates and develops metallurgical coal mines.
Founded 2011Lexington, United States$350Mlast round Dec 2025 - 4
ASIAir Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense.Air Space Intelligence (ASI) is a software company that develops AI-powered systems for mission-critical operations in commercial aviation, logistics, and defense.
Founded 2018Boston, United States$325Mlast round Oct 2026 - 5
Swift Current EnergySwift Current Energy is a renewable energy company that develops and operates clean energy projects.Swift Current Energy is a renewable energy company that develops and operates clean energy projects.
Founded 2016Boston, United States$248Mlast round Feb 2026 - 6
BlueWaveBlueWave's vision is to protect our planet by transforming access to renewable energy.BlueWave's vision is to protect our planet by transforming access to renewable energy.
Founded 2010Boston, United States$247Mlast round Sept 2025 - 7
VEIRVEIR is a technology company founded in 2019, based in Woburn, Massachusetts.VEIR is a technology company founded in 2019, based in Woburn, Massachusetts.
Founded 2019Woburn, United States$185Mlast round Oct 2026 - 8
908 Devices908devices manufactures battery-operated, hand-held chemical detection tools used in mass spectrometry.908devices manufactures battery-operated, hand-held chemical detection tools used in mass spectrometry.
Founded 2012Boston, United States$168Mlast round Nov 2021 - 9
24M Technologies24M Technologies develops energy storage systems for grid and transportation applications.24M Technologies develops energy storage systems for grid and transportation applications.
Founded 2010Cambridge, United States$103Mlast round Sept 2024 - 10
Factorial EnergyFactorial Energy focuses on sustainable future with safe, high performance batteries for EVs, homes, and critical applications.Factorial Energy focuses on sustainable future with safe, high performance batteries for EVs, homes, and critical applications.
Founded 2021Woburn, United States$100Mlast round Jun 2026 - 11
Vertical SemiconductorVertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers.Vertical Semiconductor is an MIT-spun company dedicated to reinventing power conversion for AI chips and data centers.
Founded -Cambridge, United States$84Mlast round Oct 2026 - 12
VionX EnergyVionX Energy is an energy company manufacturing power and energy storage products to deliver long run-time and cost-competitive operation.VionX Energy is an energy company manufacturing power and energy storage products to deliver long run-time and cost-competitive operation.
Founded 2002Woburn, United States$58Mlast round Jun 2015 - 13
Elevate Renewable EnergyElevate Renewable Energy Dedicated to the strategic deployment of battery energy storage resources.Elevate Renewable Energy Dedicated to the strategic deployment of battery energy storage resources.
Founded 2022Boston, United States$50Mlast round Apr 2026 - 14
Fourth PowerFourth Power is an innovative energy technology company based in Cambridge, Massachusetts.Fourth Power is an innovative energy technology company based in Cambridge, Massachusetts.
Founded 2021Cambridge, United States$39Mlast round Sept 2025 - 15
Adden EnergyAdden Energy is a Harvard University spinout based in Waltham, Massachusetts, founded in 2021.Adden Energy is a Harvard University spinout based in Waltham, Massachusetts, founded in 2021.
Founded 2021Waltham, United States$32Mlast round Oct 2026 - 16
Cala SystemsWe design, manufacture, and sell the world's first intelligent heat pump water heater.We design, manufacture, and sell the world's first intelligent heat pump water heater.
Founded 2020Boston, United States$24Mlast round Oct 2026 - 17
EmvolonEmvolon is a technology company that converts wasted resources into low-cost green fuelsEmvolon is a technology company that converts wasted resources into low-cost green fuels
Founded 2021Boston, United States$22Mlast round Oct 2026 - 18
AtomarineAtomarine builds floating, modular offshore data center barges cooled by seawater and powered by standalone vessels to bypass land grids.Atomarine builds floating, modular offshore data center barges cooled by seawater and powered by standalone vessels to bypass land grids.
Founded -Cambridge, United States$20Mlast round Nov 2026 - 19
FourierFourier is a thermal management solutions ranging from high power density electronics to renewable energy to space applications.Fourier is a thermal management solutions ranging from high power density electronics to renewable energy to space applications.
Founded 2022Boston, United States$19Mlast round Apr 2025 - 20
GreenStruxureGreenStruxure is a joint venture established in September 2020 by Schneider Electric, Huck Capital, and ClearGen.GreenStruxure is a joint venture established in September 2020 by Schneider Electric, Huck Capital, and ClearGen.
Founded 2020Boston, United States$15Mlast round Jun 2022 - 21
Sora FuelSora Fuel makes jet fuel from just air, water, and renewable energy.Sora Fuel makes jet fuel from just air, water, and renewable energy.
Founded 2024Cambridge, United States$15Mlast round Apr 2026 - 22
Soane EnergySoane Energy is developing and applying innovative chemical solutions based on polymers and surface science to help meet this worldwide "hunger for energy" in aSoane Energy is developing and applying innovative chemical solutions based on polymers and surface science to help meet this worldwide "hunger for energy" in a
Founded 2006Cambridge, United States$10Mlast round Sept 2009 - 23
florrentflorrent, Inc.florrent, Inc.
Founded 2020Somerville, United States$9.5Mlast round Sept 2025 - 24
Tank UtilityTank Utility streamlines energy delivery for those that rely on truck-delivered oil or propane.Tank Utility streamlines energy delivery for those that rely on truck-delivered oil or propane.
Founded 2014Boston, United States$8.2Mlast round Feb 2019 - 25
SYSO TechnologiesSYSO Technologies is a Boston-based renewable energy and technology company founded in 2019.SYSO Technologies is a Boston-based renewable energy and technology company founded in 2019.
Founded 2019Boston, United States$7.0Mlast round Jan 2026 - 26
ELECTRA AIELECTRA AI, based in Boston, Massachusetts, is an innovative cleantech and B2B software company focused on advancing electrification.ELECTRA AI, based in Boston, Massachusetts, is an innovative cleantech and B2B software company focused on advancing electrification.
Founded 2015Boston, United States$5.0Mlast round Nov 2026 - 27
American Ag EnergyAmerican Ag Energy is a dynamic company improves the interrelated food and energy networks.American Ag Energy is a dynamic company improves the interrelated food and energy networks.
Founded -Cambridge, United States$3.7Mlast round Oct 2023 - 28
Energy PointsEnergy Points is a health-tech company dedicated to supporting cancer patients and survivors through its mobile app.Energy Points is a health-tech company dedicated to supporting cancer patients and survivors through its mobile app.
Founded 2011Boston, United States$3.0Mlast round Feb 2012 - 29
American DG EnergyAmerican DG Energy Inc.American DG Energy Inc.
Founded 2001Waltham, United States$2.1Mlast round Oct 2010 - 30
Vicinity EnergyVicinity Energy is a provider of district energy solutions, offering energy supply, infrastructure investment and management services.Vicinity Energy is a provider of district energy solutions, offering energy supply, infrastructure investment and management services.
Founded 2020Boston, United States$2.0Mlast round Jun 2025 - 31
Pecos Wind PowerPecos Wind Power designs, builds, and sells wind turbines for distributed generation.Pecos Wind Power designs, builds, and sells wind turbines for distributed generation.
Founded 2017Somerville, United States$1.1Mlast round Aug 2024 - 32Dynamo MicropowerDynamo Micropower develops a turbine based power solution (50HP) for the oilfield that provides grid-like power quality while saving money.
Dynamo Micropower develops a turbine based power solution (50HP) for the oilfield that provides grid-like power quality while saving money.
Founded 2011Somerville, United States$721Klast round Jul 2014 - 33
Kuva SystemsKuva Systems is an industrial IoT solutions company that provides emissions monitoring and quantification of methane and VOC.Kuva Systems is an industrial IoT solutions company that provides emissions monitoring and quantification of methane and VOC.
Founded 2016Cambridge, United States$692Klast round Dec 2025 - 34
Helix PowerHelix Power is a development stage company designing a next generation power management platform using flywheel technology.Helix Power is a development stage company designing a next generation power management platform using flywheel technology.
Founded 1979Somerville, United States$531Klast round Nov 2021 - 35
SolarKalSolarKal is the largest B2B solar energy marketplace in the US, connecting organizations to solar providers who compete for their business.SolarKal is the largest B2B solar energy marketplace in the US, connecting organizations to solar providers who compete for their business.
Founded 2016Somerville, United States$500Klast round May 2018 - 36
NewGridNewGrid is a Developer of a decision support software for electric power transmission system operators.NewGrid is a Developer of a decision support software for electric power transmission system operators.
Founded 2015Boston, United States$250Klast round Aug 2021 - 37
OffGridBoxOffGridBox is a technology company founded in 2016, dedicated to providing affordable clean water and renewable energy to remote, off-grid communities worldwide.OffGridBox is a technology company founded in 2016, dedicated to providing affordable clean water and renewable energy to remote, off-grid communities worldwide.
Founded 2016Somerville, United States$13Klast round Apr 2024
Somerville, United StatesCompanies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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