Top 22 Renewable Energy Companies in Texas

Renewable energy companies in Texas play a pivotal role in shaping the energy market, focusing on innovative technologies ranging from wind and solar to energy storage solutions. The sector is experiencing rapid growth as demand for clean, sustainable energy sources intensifies, driven by both consumer preferences and regulatory frameworks. With Texas being a leader in wind energy production, the industry is at the forefront of the transition to greener energy. Companies are increasingly investing in carbon capture, energy efficiency, and community engagement initiatives, aiming to create a sustainable future while meeting evolving energy demands at home and abroad.

The companies listed in this article vary in size from small startups to mid-sized corporations, often headquartered across key Texas cities like Houston and Austin. Established between 2002 and 2025, these firms specialize in different segments of the renewable energy sector, including solar development, energy storage, and consulting services. With a range of 10 to 5,000 employees, they collectively contribute to Texas’s reputation as a renewable energy powerhouse, responding to the growing need for clean energy solutions in both local and global markets.

Read on to discover more about Texas's top renewable energy companies.

Top 22 Renewable Energy Companies in Texas

1. Calpine

• Website: calpine.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $16.4B, January 2025
• Founded year: 1984
• Headcount: 1001-5000
• LinkedIn: calpine

Calpine Corporation, founded in 1984 and headquartered in Houston, Texas, is an energy company that specializes in electricity generation. With a workforce of over 2,400 employees, Calpine operates 77 facilities across the United States and parts of Canada and Mexico. The company is recognized for its substantial capacity to generate approximately 27,000 megawatts of electricity, enough to power around 27 million homes. Calpine's operations are primarily centered on natural gas and geothermal resources, with a notable focus on sustainability and innovation. The Geysers, located in Northern California, is the largest geothermal facility in the world, producing 725 megawatts of renewable baseload energy. In addition to geothermal power, Calpine is investing in carbon capture and storage technologies, battery storage systems, and solar energy projects, reflecting its commitment to clean and reliable power. The company also engages in community outreach and charitable initiatives, further emphasizing its role as a responsible energy provider.

2. Recurrent Energy

• Website: recurrentenergy.com
• Ownership type: Corporate
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: Spain 27%, United States (USA) 20%, Brazil 17%, Other 36%
• Latest funding: Other (Debt), $415.0M, April 2025
• Founded year: 2006
• Headcount: 501-1000
• LinkedIn: recurrentenergy

Recurrent Energy, founded in 2006 and based in Austin, Texas, is a renewable energy developer that focuses on solar and energy storage solutions. The company has established itself as a significant player in the renewable energy sector, having developed approximately 11 gigawatts of utility-scale solar projects and over 3.7 gigawatt hours of energy storage projects across six continents. Their clientele includes utilities and corporate entities seeking sustainable energy solutions, which underscores their role in the global transition to renewable energy. Recurrent Energy also provides operations and maintenance services, managing over 11 gigawatts of contracted projects under long-term agreements. As a subsidiary of Canadian Solar Inc., they leverage the parent company's resources and expertise to enhance their project development capabilities. Recent funding activities, including a $500 million investment from BlackRock, reflect their ongoing growth and commitment to advancing clean energy solutions.

3. CleanSky Energy

• Website: cleanskyenergy.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: titangasandpower

CleanSky Energy, founded in 2004 and based in Houston, Texas, is a private energy provider specializing in renewable energy and natural gas services. The company offers residential and business electricity plans sourced entirely from renewable resources such as wind and solar, alongside carbon-neutral natural gas solutions. CleanSky Energy's mission is to deliver affordable, clean energy while actively working to minimize pollution and health risks linked to conventional energy sources. They operate in several states across the U.S., including Texas, Massachusetts, New Jersey, and Illinois, providing a range of energy plans that emphasize transparency and customer service. Their approach includes a commitment to sourcing energy from verified renewable sources, ensuring that customers can trust the environmental impact of their energy consumption.

4. Gexa Energy

• Website: gexaenergy.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $81.0M, June 2005
• Founded year: 2002
• Headcount: 201-500
• LinkedIn: gexa-energy

Gexa Energy, founded in 2002 and based in Houston, Texas, is an electricity provider that specializes in offering a variety of energy solutions tailored for both residential and business customers. The company is dedicated to providing affordable and sustainable energy options, with a strong emphasis on green energy. Gexa Energy's residential plans are marketed as 100% green, reflecting its commitment to environmental responsibility. The company also offers solar solutions, including consultations and installations, although it partners with third-party installers for the actual installation process. Additionally, Gexa provides energy management tools and services aimed at helping customers optimize their energy consumption. Gexa Energy is part of the NextEra Energy family, which is recognized for its focus on clean energy. This affiliation enhances Gexa's credibility in the renewable energy market.

5. Perennial Power Holdings, Inc.

• Website: perennialpower.net
• Ownership type: Private
• Headquarters: The Woodlands, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: perennial-power-holdings-inc-

Perennial Power Holdings, Inc., based in The Woodlands, Texas, is an energy company established in 2002. The firm specializes in the development and management of power generation projects throughout the United States. Their portfolio includes a mix of renewable and conventional energy sources, such as gas, wind, solar, and battery storage. Perennial Power aims to provide reliable energy solutions that bolster local economies and enhance the sustainability of the power grid. They are part of the global portfolio of Sumitomo Corporation, which provides them with a robust backing and industry expertise. The company is actively seeking to develop and operate quality power plants, with a notable focus on clean and efficient technologies. Their current projects include significant wind and solar energy initiatives, showcasing their commitment to renewable energy.

6. Clearview Energy

• Website: clearviewenergy.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: clearview-electric-inc-

Clearview Energy, founded in 2006 and based in Dallas, Texas, is a private energy provider dedicated to delivering electricity sourced from renewable energy. With a workforce of approximately 59 employees, the company serves both residential and commercial customers. Clearview Energy's mission is to help individuals and businesses reduce their carbon footprints by transitioning from fossil fuel-generated electricity to cleaner alternatives. They offer a range of electricity plans and have introduced electric vehicle charging solutions to support the growing demand for sustainable energy. The company actively engages in community initiatives and partnerships, such as supporting the Arbor Day Foundation and collaborating with educational institutions to promote green living and renewable energy education. Clearview Energy's commitment to environmental stewardship and customer education underscores its role in the renewable energy industry.

7. Molen Services Inc

• Website: molenservices.com
• Ownership type: Private
• Headquarters: Austin, Texas, United States (USA)
• Employee distribution: Canada 53%, United States (USA) 47%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: molen-services-inc

Molen Services Inc, based in Austin, Texas, and Halifax, Nova Scotia, is a renewable energy service provider that has been operational since 2013. The company specializes in solar and wind energy solutions, offering a comprehensive range of services that include installation, maintenance, and project management for both residential and commercial clients. Molen Services has a strong presence in North America, with a workforce that is nearly evenly split between Canada and the USA. Their team consists of skilled technicians, project managers, and engineers who are passionate about renewable energy. Notably, Molen Services has been involved in significant projects, such as providing owner's engineering services for the Rattlesnake Wind Farm in Texas, showcasing their expertise in the field. The company is dedicated to promoting sustainable energy practices and assisting customers in transitioning to renewable energy sources.

8. ConnectGEN LLC

• Website: connectgenllc.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $768.0M, September 2023
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: connectgen-llc

ConnectGEN LLC, based in Houston, Texas, is a renewable energy developer that specializes in utility-scale wind, solar, and energy storage projects throughout the United States. Founded in 2018, the company has developed a significant portfolio, with over 20,000 MW of projects currently in various stages of development. ConnectGEN's approach emphasizes collaboration with utility companies and local communities, ensuring that their projects enhance grid reliability and support the transition to cleaner energy sources. In September 2023, ConnectGEN was acquired by Repsol, a global multi-energy company, for $768 million. This acquisition not only strengthens Repsol's footprint in the U.S. renewable market but also positions ConnectGEN to leverage Repsol's resources and expertise to further its mission of enabling a sustainable energy future. The company is committed to engaging with stakeholders and supporting local communities, reflecting its dedication to responsible project development.

9. Ceiba Energy

• Website: ceibaenergy.com
• Ownership type: Private Equity
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: Brazil 80%, United States (USA) 20%
• Latest funding: $250.0M, January 2020
• Founded year: 2010
• Headcount: 1-10
• LinkedIn: ceiba-energy

Ceiba Energy is a Houston-based energy company founded in 2010, specializing in the development and operation of power generation assets in Latin America. The company is dedicated to renewable energy, focusing on low-carbon generation and capacity-firming projects. With a total of 1.9 GW of assets, including 315 MW currently operational and 1.6 GW under development, Ceiba Energy is actively contributing to the growth of renewable energy in the region. The firm operates LNG-to-power facilities, which provide a cleaner alternative to traditional fossil fuels, thereby supporting the transition to sustainable energy sources. Ceiba Energy is backed by Denham Capital, a private equity firm with a strong focus on energy and resources, which enhances its capacity to execute projects and expand its portfolio. The company emphasizes environmental stewardship and social responsibility, aiming to deliver affordable energy while promoting economic growth in the markets it serves.

10. Tomorrow Energy

• Website: tomorrowenergy.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: tomorrow-energy

Tomorrow Energy, based in Houston, Texas, is a private energy provider established in 2011. The company specializes in renewable energy solutions, offering electricity and natural gas plans that utilize 100% wind energy and carbon offsets. Their primary customer base consists of residential consumers who are keen on making cleaner energy choices to minimize their environmental footprint. Tomorrow Energy's offerings include fixed-rate pricing for their plans, ensuring price stability for customers. They also engage in environmental initiatives, such as planting trees in partnership with the Arbor Day Foundation, with over 500,000 trees planted to date. This commitment to sustainability and community involvement underscores their role in promoting renewable energy. The company operates in several states, including Texas, Illinois, and New Jersey, and is fully licensed to provide energy services in these regions.

11. Fervo Energy

• Website: fervoenergy.com
• Ownership type: Venture Capital
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $120.0M, December 2024
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: fervo-energy

Fervo Energy, founded in 2017 and based in Houston, Texas, is a geothermal energy company dedicated to developing next-generation geothermal projects. The company aims to deliver 24/7 carbon-free energy, catering to power buyers and organizations seeking reliable energy solutions. Fervo leverages innovative technologies to enhance geothermal energy production, making it a more viable option for meeting the growing demand for clean power. With a workforce of approximately 158 employees, Fervo has made significant strides in the geothermal sector, including record-breaking production results and securing substantial funding, such as a recent $120 million loan. Their flagship project, Cape Station, is set to begin delivering electricity to the grid in 2026, showcasing their commitment to advancing geothermal energy.

12. Tokyo Gas America Ltd.

• Website: tgamerica.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 96%, Mexico 4%
• Founded year: 2013
• Headcount: 11-50
• LinkedIn: tokyo-gas-america-ltd.

Tokyo Gas America Ltd., established in 2013 and based in Houston, Texas, is a private energy company focused on sustainable energy solutions. As a subsidiary of Tokyo Gas Co., Ltd., it operates across various segments of the energy industry, including natural gas distribution, LNG exportation, and renewable energy projects. The company is dedicated to providing reliable energy solutions while promoting sustainable practices. Notably, Tokyo Gas America has made significant strides in renewable energy, exemplified by the Aktina Solar Project, which boasts a capacity to generate 631MWdc of solar power, enough to supply energy to approximately 100,000 homes. The company is committed to achieving net-zero CO2 emissions and is actively involved in developing technologies for decarbonization, including investments in solar and wind power. Their approach reflects a strategic shift towards a more sustainable energy future, aligning with global efforts to combat climate change.

13. Texzon Utilities

• Website: texzon.net
• Ownership type: Private
• Headquarters: Red Oak, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 11-50
• LinkedIn: texzon-utilities

Texzon Utilities, founded in 2002 and based in Red Oak, Texas, is an energy services company that focuses on providing clean energy solutions and energy procurement. With a workforce of 24 employees, Texzon operates primarily in the United States, catering to a wide range of clients, including commercial, industrial, and governmental organizations. The company offers a comprehensive suite of services that includes solar power generation, wind turbine power, geothermal energy, anaerobic digesting, and battery energy storage systems. Texzon also provides energy management consulting, helping clients reduce energy costs and implement sustainable practices. Their commitment to innovation and efficiency is evident in their engineering services and energy procurement strategies, which aim to optimize energy usage and promote renewable energy sources. Texzon has been recognized for its growth and impact in the energy sector, having been listed in Entrepreneur Magazine's "Hot 100" and Inc. Magazine's top energy companies. The company continues to explore new opportunities in the renewable energy market, positioning itself as a significant player in the industry.

14. Rhythm Energy

• Website: gotrhythm.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Founded year: 2020
• Headcount: 11-50
• LinkedIn: rhythmhq

Rhythm Energy is a Texas-based electricity provider that specializes in 100% renewable energy plans. Established in 2020, the company aims to transform the energy experience for consumers by offering tailored electricity plans that prioritize sustainability and cost savings. Rhythm Energy's product lineup includes innovative options like PowerShift Time of Use and Demand Response plans, which encourage customers to adjust their energy usage based on pricing and grid stability. The company prides itself on transparent pricing, with no hidden fees, and a strong commitment to customer service, providing support seven days a week. By sourcing energy from renewable sources such as wind and solar, Rhythm Energy not only helps customers save on their electricity bills but also contributes to a cleaner environment. Their focus on technology and data analytics further enhances customer engagement, allowing users to monitor and manage their energy consumption effectively.

15. Total Energy Solutions

• Website: totalenergysolutions.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: total-energy-solutions-co--llc

Total Energy Solutions, based in Houston, Texas, specializes in power generation and energy solutions. Founded in 2006, the company has grown to employ around 61 professionals. They provide a wide array of products, including generators powered by diesel and natural gas, as well as energy storage systems. Their services extend to installation, maintenance, and emergency response, catering to sectors such as agriculture, telecommunications, and oil and gas. Notably, Total Energy Solutions integrates renewable energy technologies into their offerings, including battery energy storage and microgrid solutions, reflecting their commitment to modern energy challenges. With a focus on reliability and efficiency, they have serviced over 4,000 energy systems, demonstrating their expertise in both traditional and renewable energy solutions.

16. Vesper Energy

• Website: vesperenergy.com
• Ownership type: Venture Capital
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $50.0M, November 2024
• Founded year: 2015
• Headcount: 51-200
• LinkedIn: vesper-energy

Vesper Energy, based in Dallas, Texas, is a renewable energy developer that specializes in utility-scale solar and energy storage projects. Since its inception in 2015, the company has built a robust portfolio, with over 35 completed projects and a pipeline exceeding 12,000 MW of capacity. This capacity is sufficient to provide electricity to more than 2 million homes. Vesper Energy collaborates with a range of partners, including businesses, municipalities, and utilities, to create clean and cost-effective energy solutions. The company has a strong commitment to community engagement, ensuring that their projects contribute positively to local economies. Recently, Vesper Energy secured $50 million in debt financing, which will support their ongoing project development and expansion efforts. Their focus on innovative energy solutions and sustainable practices underscores their role in advancing the renewable energy sector.

17. Stellar Renewable Power

• Website: stellarrenewablepower.com
• Ownership type: Private
• Headquarters: Dallas, Texas, United States (USA)
• Employee distribution: United States (USA) 78%, India 22%
• Founded year: 2021
• Headcount: 11-50
• LinkedIn: stellar-renewable-power

Stellar Renewable Power is a private renewable energy company based in Dallas, Texas, specializing in solar and energy storage solutions. Founded in 2021, the company has quickly established itself as a player in the renewable energy sector, focusing on project development and execution. Stellar serves a range of clients, including utilities and large corporate customers, who are increasingly seeking sustainable energy options to meet their environmental, social, and governance (ESG) objectives. The company is backed by KKR, a well-known investment firm, which provides it with the financial resources necessary to undertake significant projects. Stellar's operations include a robust pipeline of solar and storage projects across multiple states, reflecting their commitment to facilitating the transition to renewable energy. They prioritize collaboration with local landowners and government regulators, ensuring that their projects align with community needs and environmental standards. This approach not only supports their project success but also fosters long-term relationships with stakeholders.

18. Rnwbl

• Website: rnwbl.com
• Ownership type: Private
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 94%, El Salvador 3%, Canada 2%
• Founded year: 2021
• Headcount: 501-1000
• LinkedIn: rnwbl

Rnwbl, based in Houston, Texas, is a private renewable energy service provider established in 2021. The company specializes in wind, solar, and energy storage solutions, catering primarily to large utilities and independent power producers. Rnwbl offers a range of services designed to optimize the performance of renewable energy assets, including operations and maintenance, engineering, and supply chain management. Additionally, Rnwbl is committed to workforce development, providing training services to equip technicians and professionals with essential skills in the renewable sector. Their innovative approach and focus on technology-driven solutions position them as a key player in the renewable energy industry, contributing to the decarbonization of the North American energy grid.

19. Broad Reach Power

• Website: broadreachpower.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2023
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: broad-reach-power-llc

Broad Reach Power, based in Houston, Texas, is an energy company that specializes in renewable energy and energy storage solutions. Founded in 2019, the company develops, acquires, and operates utility-scale energy storage facilities and renewable power projects throughout the United States. Broad Reach Power aims to provide reliable and flexible energy solutions to businesses and organizations looking to meet the increasing demand for clean energy. The company has established a substantial project pipeline, boasting a portfolio of 21 gigawatts of utility-scale solar, wind, and energy storage projects located in states such as Texas, California, Montana, Wyoming, and Utah. In 2023, Broad Reach Power secured $435 million in financing to support the construction of multiple energy storage projects, demonstrating its active role in the renewable energy sector. As of March 2024, Broad Reach Power will transition to being part of ENGIE, a global energy player, which may further enhance its capabilities in the clean energy market.

20. Universal Green Group

• Website: universalgreengroup.com
• Ownership type: Private
• Headquarters: Plano, Texas, United States (USA)
• Employee distribution: United States (USA) 86%, India 14%
• Latest funding: $10.0M, September 2022
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: universal-solar-system

Universal Green Group, based in Plano, Texas, specializes in renewable energy solutions and sustainable real estate development. Founded in 2009, the company offers a range of services, including electric vehicle charging infrastructure, solar energy systems, and eco-friendly housing options for both residential and commercial clients. With a focus on promoting environmental sustainability, Universal Green Group has completed over 1500 solar projects, demonstrating their commitment to clean energy. They aim to educate communities about sustainability while providing practical solutions to reduce fossil fuel dependence. In 2022, the company secured $10 million in funding, further supporting their initiatives in the renewable energy sector. Their portfolio includes various projects, from solar farms to eco-friendly homes, reflecting their active role in advancing green technologies.

21. OCI Energy

• Website: ocienergy.com
• Ownership type: Private
• Headquarters: San Antonio, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: oci-solar-power-llc

OCI Energy, based in San Antonio, Texas, is a private solar energy company established in 2011. The firm specializes in the development, construction, and operation of solar photovoltaic facilities and battery energy storage systems. With a focus on utility-scale projects, OCI Energy collaborates with utility providers and municipalities to facilitate the transition to renewable energy sources. The company has developed over 3 GW of solar projects across Texas, demonstrating its significant presence in the solar market. OCI Energy also engages in community initiatives, such as the SolarJobs SA program, which aims to enhance education and workforce development in the renewable energy sector. Through its projects and partnerships, OCI Energy plays a crucial role in promoting sustainable energy solutions throughout the United States.

22. FastGrid

• Website: fastgrid.com
• Ownership type: Private
• Headquarters: The Woodlands, Texas, United States (USA)
• Employee distribution: United States (USA) 79%, Mexico 21%
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: fastgrid-llc

FastGrid, founded in 2016 and based in The Woodlands, Texas, is a private engineering and consulting firm dedicated to renewable energy solutions. With a workforce of approximately 86 employees, the company focuses on providing essential services in electrical, structural, and civil engineering. FastGrid specializes in utility-scale solar photovoltaic (PV) systems and battery energy storage systems, catering primarily to clients in the energy sector who are looking to adopt sustainable practices. The firm has established a notable presence in the renewable energy market, with a project portfolio that boasts a total power output of 14GW from solar projects and 5GW from battery energy storage systems. FastGrid's innovative approach and commitment to creating a clean energy future position it as a significant contributor to the renewable energy industry.

Renewable Energy Insights: Key Companies in Texas

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