Top list · Houston

Energy startups in Houston

43 energy startups in Houston have raised money in rounds we track. These are the 43 that have raised the most, $11B between them.

$11Braised by these 43
43on our record in all
NextDecaderaised the most
  1. 1NextDecadeNextDecade is an LNG development company focusing on LNG export projects and associated pipelines.

    NextDecade is an LNG development company focusing on LNG export projects and associated pipelines.

    Founded 2014Houston, United States$3.5Blast round Jun 2026
  2. 2WaterBridge ResourcesA midstream development company focused on developing, acquiring and operating flowback and produced water infrastructure

    A midstream development company focused on developing, acquiring and operating flowback and produced water infrastructure

    Founded 2015Houston, United States$1.4Blast round Sept 2025
  3. 3Fervo EnergyFervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.

    Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.

    Founded 2017Houston, United States$1.1Blast round Sept 2026
  4. 4Alpha GenerationAlpha Generation manages and operates power generation facilities that are well positioned to provide reliable.

    Alpha Generation manages and operates power generation facilities that are well positioned to provide reliable.

    Founded 2016Houston, United States$750Mlast round Oct 2025
  5. 5Lancium TechnologiesLancium is a technology company using distributed parallel computing to enable the growth of renewable energy.

    Lancium is a technology company using distributed parallel computing to enable the growth of renewable energy.

    Founded 2017Houston, United States$600Mlast round Oct 2025
  6. 6Prairie OperatingPrairie Operating Co.

    Prairie Operating Co.

    Founded -Houston, United States$475Mlast round Jun 2025
  7. 7Broad Reach PowerBroad Reach Power is an independent power producer.

    Broad Reach Power is an independent power producer.

    Founded 2019Houston, United States$435Mlast round Jul 2023
  8. 8HEQ DeepwaterHEQ Deepwater is an energy company that focused on the acquisition of the deepwater gulf.

    HEQ Deepwater is an energy company that focused on the acquisition of the deepwater gulf.

    Founded 2021Houston, United States$400Mlast round Aug 2021
  9. 9Talos EnergyTalos Energy is a technically driven, independent oil and gas exploration and production company.

    Talos Energy is a technically driven, independent oil and gas exploration and production company.

    Founded 2013Houston, United States$323Mlast round Mar 2024
  10. 10Cloverleaf InfrastructureCloverleaf Infrastructure develops clean-powered, ready-to-build sites for large electric customers.

    Cloverleaf Infrastructure develops clean-powered, ready-to-build sites for large electric customers.

    Founded -Houston, United States$300Mlast round Jul 2024
  11. 11Terra Energy PartnersTerra is an independent U.S onshore oil and gas exploration and production company

    Terra is an independent U.S onshore oil and gas exploration and production company

    Founded 2015Houston, United States$300Mlast round Jun 2025
  12. 12WattBridgeWattBridge provides a single source solution for energy customers to safely and cost-effectively transition.

    WattBridge provides a single source solution for energy customers to safely and cost-effectively transition.

    Founded 2019Houston, United States$265Mlast round Jul 2022
  13. 13Spruce FinanceSpruce Power owner and operator of distributed solar energy assets across the United States.

    Spruce Power owner and operator of distributed solar energy assets across the United States.

    Founded 2008Houston, United States$180Mlast round May 2019
  14. 14Quaise EnergyQuaise Energy is a technology company founded in 2018, originating from the MIT Plasma Science and Fusion Center.

    Quaise Energy is a technology company founded in 2018, originating from the MIT Plasma Science and Fusion Center.

    Founded 2018Houston, United States$180Mlast round Sept 2026
  15. 15Plus PowerPlus Power specializes in creating battery energy storage systems that enhance the efficiency and reliability of the electrical grid.

    Plus Power specializes in creating battery energy storage systems that enhance the efficiency and reliability of the electrical grid.

    Founded 2018Houston, United States$160Mlast round Nov 2025
  16. 16Laredo EnergyLaredo Energy is a privately held company.

    Laredo Energy is a privately held company.

    Founded 2001Houston, United States$130Mlast round May 2014
  17. 17Sunnova EnergySunnova Energy International Inc.

    Sunnova Energy International Inc.

    Founded 2012Houston, United States$100Mlast round Apr 2018
  18. 18Crescent Pass EnergyCrescent Pass Energy is a privately held exploration and production company based in Houston, Texas, founded in 2018.

    Crescent Pass Energy is a privately held exploration and production company based in Houston, Texas, founded in 2018.

    Founded 2018Houston, United States$75Mlast round Jan 2019
  19. 19GoExpediGoExpedi is a Houston-based industrial technology company that specializes in digital procurement for heavy industries.

    GoExpedi is a Houston-based industrial technology company that specializes in digital procurement for heavy industries.

    Founded 2017Houston, United States$66Mlast round Nov 2022
  20. 20Primus Green EnergyPrimus Green Energy is a developer of a proprietary process to produce gasoline and other fuels from biomass and/or natural gas.

    Primus Green Energy is a developer of a proprietary process to produce gasoline and other fuels from biomass and/or natural gas.

    Founded 2001Houston, United States$59Mlast round Jan 2013
  21. 21Canyon Midstream PartnersCanyon Midstream Partners, LLC (CMP) is an independent midstream company

    Canyon Midstream Partners, LLC (CMP) is an independent midstream company

    Founded 2012Houston, United States$50Mlast round Sept 2014
  22. 22VelocysVelocys is the company at the forefront of smaller scale gas-to-liquids (GTL).

    Velocys is the company at the forefront of smaller scale gas-to-liquids (GTL).

    Founded 2001Houston, United States$40Mlast round Feb 2024
  23. 23TachyusTachyus is a software development company that offers technology platform to optimize energy production for the oil and gas industry.

    Tachyus is a software development company that offers technology platform to optimize energy production for the oil and gas industry.

    Founded 2013Houston, United States$36Mlast round Dec 2022
  24. 24InnowattsInnowatts is now a part of GridX.

    Innowatts is now a part of GridX.

    Founded 2014Houston, United States$18Mlast round Sept 2023
  25. 25Foro EnergyForo Energy is a technology company based in Houston, Texas, founded in 2009.

    Foro Energy is a technology company based in Houston, Texas, founded in 2009.

    Founded 2009Houston, United States$17Mlast round Dec 2012
  26. 26Helix EarthHelix Earth Technologies, Inc.

    Helix Earth Technologies, Inc.

    Founded 2022Houston, United States$12Mlast round Mar 2026
  27. 27Rebellion PhotonicsRebellion Photonics is a Houston-based technology company that specializes in intelligent, automated gas monitoring solutions.

    Rebellion Photonics is a Houston-based technology company that specializes in intelligent, automated gas monitoring solutions.

    Founded 2009Houston, United States$10Mlast round Jan 2014
  28. 28Quidnet EnergyQuidnet Energy is an energy storage company based in Houston, Texas, focused on developing Geomechanical Energy Storage (GES) technology.

    Quidnet Energy is an energy storage company based in Houston, Texas, focused on developing Geomechanical Energy Storage (GES) technology.

    Founded 2013Houston, United States$10Mlast round Nov 2022
  29. 29WellogixWellogix, an energy sourcing company based in Houston, focuses on business controls and compliance in improving critical business processes.

    Wellogix, an energy sourcing company based in Houston, focuses on business controls and compliance in improving critical business processes.

    Founded 1998Houston, United States$8.0Mlast round Sept 2005
  30. 30Citla EnergyCitla Energy is a Mexican independent exploration and production company established between 2014 and 2015.

    Citla Energy is a Mexican independent exploration and production company established between 2014 and 2015.

    Founded 2014Houston, United States$7.5Mlast round Jan 2018
  31. 31SourcewaterSourcewater offers the largest online water source, reuse, and disposal database in the upstream energy industry.

    Sourcewater offers the largest online water source, reuse, and disposal database in the upstream energy industry.

    Founded 2014Houston, United States$7.2Mlast round Sept 2019
  32. 32Envana Software SolutionsEnvana Software Solutions provides digital greenhouse gas emissions management and carbon accounting software-as-a-service products.

    Envana Software Solutions provides digital greenhouse gas emissions management and carbon accounting software-as-a-service products.

    Founded 2023Houston, United States$5.2Mlast round Jan 2025
  33. 33Zeta EnergyZeta Energy develop and commercialize safe rechargeable batteries that are higher performing, lower cost and sustainably manufactured.

    Zeta Energy develop and commercialize safe rechargeable batteries that are higher performing, lower cost and sustainably manufactured.

    Founded 2014Houston, United States$4.0Mlast round Feb 2024
  34. 34Viking Cold SolutionsViking Cold Solutions provides energy management systems and thermal energy storage solutions to help companies achieve energy efficiency.

    Viking Cold Solutions provides energy management systems and thermal energy storage solutions to help companies achieve energy efficiency.

    Founded 2007Houston, United States$3.6Mlast round Mar 2013
  35. 35Deepwater Corrosion ServicesDeepwater protects offshore infrastructure from corrosion.

    Deepwater protects offshore infrastructure from corrosion.

    Founded 1986Houston, United States$3.5Mlast round Sept 2012
  36. 36Giga EnergyGiga Energy is an American manufacturer and developer of energy infrastructure focused on powering artificial intelligence projects and flexible-load data cente

    Giga Energy is an American manufacturer and developer of energy infrastructure focused on powering artificial intelligence projects and flexible-load data cente

    Founded 2019Houston, United States$2.3Mlast round Mar 2022
  37. 37Promethean EnergyPromethean Energy Corporation is a development and production company focused on maximizing value from oil and gas resources in the Gulf of Mexico.

    Promethean Energy Corporation is a development and production company focused on maximizing value from oil and gas resources in the Gulf of Mexico.

    Founded 2017Houston, United States$2.0Mlast round May 2025
  38. 38AlmikaAlmika is a Texas-based energy company dedicated to providing sustainable electricity solutions.

    Almika is a Texas-based energy company dedicated to providing sustainable electricity solutions.

    Founded 2019Houston, United States$1.0Mlast round Jan 2022
  39. 39PV Evolution LabsPV Evolution Labs provides solar panel test and characterization services.

    PV Evolution Labs provides solar panel test and characterization services.

    Founded 2009Houston, United States$235Klast round Jul 2012
  40. 40Indigeo VirtusIndigeo Virtus was founded to deliver products and services that support our customers' goals of achieving excellence.

    Indigeo Virtus was founded to deliver products and services that support our customers' goals of achieving excellence.

    Founded 2013Houston, United States$200Klast round Jan 2014
  41. 41RevterraRevterra is a Houston-based sustainable energy company founded in 2017.

    Revterra is a Houston-based sustainable energy company founded in 2017.

    Founded 2017Houston, United States$20Klast round Oct 2022
  42. 42REVOLUTION Turbine TechnologiesClean energy, waste energy recovery

    Clean energy, waste energy recovery

    Founded 2015Houston, United States$8Klast round Apr 2022
  43. 43Trackit EnergyTrackit Energy is a Software as a Service platform that was designed and developed for the Petrochemical and Mining industries.

    Trackit Energy is a Software as a Service platform that was designed and developed for the Petrochemical and Mining industries.

    Founded -Houston, United States$5Klast round Sept 2022
Total fundinghow the list is ranked
15 November 2026updated nightly
Rounds we tracksource: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

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