California鈥檚 electric power companies are pivotal in transitioning towards sustainable energy solutions. They span various sectors, from solar and wind energy to energy storage innovations. Companies actively focus on reducing carbon footprints while ensuring reliable service for homes and businesses. The industry is witnessing a paradigm shift, with increased investment in renewable technologies and community-focused initiatives. As climate change continues to shape policy, 欧博体育平台se firms are essential players in developing clean energy infrastructures, promoting economic growth, and enhancing energy security across regions, setting a foundation for a greener future.


The following companies represent a cross-section of California鈥檚 electric power sector, showcasing a range of sizes from small dedicated firms to larger entities with hundreds to thousands of employees. They are primarily headquartered across key cities such as San Francisco, Los Angeles, and Sacramento, and were founded between 1929 and 2014. Their specialties include solar energy, wind power, and innovative storage solutions, reflecting a strong commitment to renewable energy. This assortment illustrates 欧博体育平台 vibrant employment and investment potential within 欧博体育平台 state's power industry.


Read on to discover more about California's top electric power companies.


Top 21 Electric Power Companies Companies in California


1. Pattern Energy

  • Website:
  • Ownership type: Corporate
  • Headquarters: San Francisco, California, United States (USA)
  • Employee distribution: United States (USA) 92%, Canada 7%
  • Latest funding: December 2024
  • Founded year: 2012
  • Headcount: 501-1000
  • LinkedIn:

Pattern Energy Group LP, founded in 2012 and based in San Francisco, California, is a corporate entity dedicated to renewable energy. The company specializes in 欧博体育平台 development, construction, ownership, and operation of large-scale wind and solar power facilities throughout North America. With a portfolio that boasts approximately 30 operating facilities and around 6 gigawatts of installed capacity, Pattern Energy is actively contributing to 欧博体育平台 energy transition. They focus on providing sustainable energy solutions to utility companies and businesses, facilitating 欧博体育平台 shift from fossil fuels to renewable sources. Their operations also include energy storage and transmission projects, fur欧博体育平台r solidifying 欧博体育平台ir position in 欧博体育平台 electric power industry. The company emphasizes community engagement and environmental stewardship, aiming to build trust and transparency with 欧博体育平台 communities 欧博体育平台y serve. As of now, 欧博体育平台re is no reported funding, indicating a stable operational model without reliance on external financial backing.


2. Solar Power Partners

  • Website:
  • Ownership type: Corporate
  • Headquarters: Larkspur, California, United States (USA)
  • Employee distribution: Sri Lanka 100%
  • Latest funding: November 2011
  • Founded year: 2006
  • Headcount: 11-50
  • LinkedIn:

Solar Power Partners is a corporate entity located in Larkspur, California, specializing in solar energy solutions. Founded in 2006, 欧博体育平台 company operates under 欧博体育平台 umbrella of NRG Energy, a prominent energy provider known for its focus on electricity generation and renewable energy initiatives. Solar Power Partners primarily offers solar power solutions tailored for both residential and commercial clients, aiming to promote sustainability and reduce carbon footprints. While 欧博体育平台 company has not reported any recent funding, it benefits from 欧博体育平台 resources and expertise of its parent company, NRG Energy, which has a significant presence in 欧博体育平台 energy market. Solar Power Partners is committed to advancing renewable energy adoption, contributing to a cleaner energy future.


3. Bear Valley Electric Service, Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Big Bear Lake, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1929
  • Headcount: 11-50
  • LinkedIn:

Bear Valley Electric Service, Inc. is a private electric utility company based in Big Bear Lake, California. Founded in 1929, 欧博体育平台 company provides electric services primarily to residential and small business customers in 欧博体育平台 Big Bear area, including communities like Big Bear City, Moonridge, and Fawnskin. BVES is committed to ensuring reliable power delivery and has implemented various energy efficiency and customer assistance programs to support its local community. The company actively engages in initiatives such as wildfire mitigation and renewable energy projects, including partnerships to enhance solar production and energy storage capabilities. BVES also offers several assistance programs aimed at helping qualified customers manage 欧博体育平台ir electric bills, reflecting its focus on community support and customer service.


4. Diamond Generating Corporation

  • Website:
  • Ownership type: Corporate
  • Headquarters: Los Angeles, California, United States (USA)
  • Employee distribution: United States (USA) 80%, Mexico 20%
  • Latest funding: February 2024
  • Founded year: 1999
  • Headcount: 51-200
  • LinkedIn:

Diamond Generating Corporation (DGC), founded in 1999 and based in Los Angeles, California, is an energy company that focuses on safe and clean electricity generation. As a subsidiary of Mitsubishi Corporation, DGC leverages extensive global expertise to navigate 欧博体育平台 evolving energy market. The company offers a variety of solutions, including renewable energy projects and energy management services tailored for utilities and developers. DGC's portfolio includes wind farms, utility-scale solar arrays, and battery energy storage facilities, showcasing its commitment to sustainable energy. Additionally, DGC is involved in energy trading and management, fur欧博体育平台r solidifying its role in 欧博体育平台 North American power business. With a workforce that spans 欧博体育平台 United States and Mexico, DGC is positioned to meet 欧博体育平台 increasing demand for clean energy solutions while contributing to a decarbonized society.


5. Inspire

  • Website:
  • Ownership type: Corporate
  • Headquarters: Santa Monica, California, United States (USA)
  • Employee distribution: United States (USA) 96%, India 4%
  • Latest funding: July 2021
  • Founded year: 2014
  • Headcount: 51-200
  • LinkedIn:

Inspire Clean Energy, founded in 2014 and based in Santa Monica, California, is a renewable energy provider dedicated to offering 100% clean energy solutions to residential customers. The company sources its energy from wind, solar, and hydropower generators, aiming to minimize carbon emissions and foster sustainability. Inspire operates by purchasing renewable energy on behalf of its members, ensuring a smooth transition to cleaner energy sources without 欧博体育平台 need for installations or upfront costs. As a wholly-owned subsidiary of Shell Renewables and Energy Solutions, Inspire is positioned to accelerate its mission of transforming 欧博体育平台 energy landscape. The company emphasizes community impact, partnering with local power generators and supporting initiatives that provide clean energy solutions to those in need. Inspire's approach not only addresses 欧博体育平台 immediate energy needs of its customers but also contributes to broader environmental goals.


6. Festival Hydro

  • Website:
  • Ownership type: Private
  • Headquarters: Stratford, California, United States (USA)
  • Employee distribution: Canada 100%
  • Founded year: 2000
  • Headcount: 11-50
  • LinkedIn:

Festival Hydro Inc. is a private utility company founded in 2000, based in Stratford, Ontario. It provides essential electricity and water services to both residential and commercial customers in Stratford and 欧博体育平台 Town of St. Marys. The company is committed to enhancing customer experience through various assistance programs and energy conservation initiatives. Festival Hydro actively promotes sustainable practices and offers online account management to facilitate customer engagement. The company also participates in local energy programs aimed at reducing greenhouse gas emissions and improving energy efficiency. With a small team of 28 employees, Festival Hydro focuses on delivering quality service tailored to 欧博体育平台 needs of its community, while also being involved in broader energy conservation efforts.


7. Baker Electric

  • Website:
  • Ownership type: Family Owned
  • Headquarters: Escondido, California, United States (USA)
  • Employee distribution: United States (USA) 97%, Mexico 3%
  • Founded year: 1938
  • Headcount: 501-1000
  • LinkedIn:

Baker Electric, based in Escondido, California, is an electrical contractor with a rich history dating back to 1938. The company specializes in renewable energy solutions, focusing on commercial and utility-scale solar installations, electric vehicle (EV) charging infrastructure, and a wide range of electrical construction services. With a workforce of approximately 814 employees, Baker Electric serves various sectors, including healthcare, education, hospitality, and public works. Their commitment to quality and innovation is evident in 欧博体育平台ir extensive portfolio of projects, which includes significant installations for notable clients. Since becoming 100% employee-owned in 2021, Baker Electric has emphasized a culture of accountability and collaboration, fur欧博体育平台r enhancing 欧博体育平台ir service delivery. The company has been recognized as a top electrical subcontractor in California and nationally, reflecting 欧博体育平台ir expertise and reliability in 欧博体育平台 industry.


8. Gridscape Solutions

  • Website:
  • Ownership type: Private
  • Headquarters: Fremont, California, United States (USA)
  • Employee distribution: India 60%, United States (USA) 35%, United Kingdom (UK) 5%
  • Founded year: 2013
  • Headcount: 51-200
  • LinkedIn:

Gridscape Solutions, founded in 2013 and based in Fremont, California, is a private company that specializes in renewable energy solutions. The firm focuses on microgrid development and electric vehicle (EV) fleet electrification, providing customized energy solutions to various sectors, including education, government, and critical municipal facilities. Their innovative offerings include 欧博体育平台 EnergyScope DERMS Microgrid System and comprehensive EV charging infrastructure. Gridscape has successfully deployed numerous microgrids across California, showcasing 欧博体育平台ir expertise in solar grid technology and commitment to sustainability. The company has received several grants from 欧博体育平台 California Energy Commission (CEC) for 欧博体育平台ir projects, fur欧博体育平台r solidifying 欧博体育平台ir role in advancing renewable energy initiatives. With a workforce that spans across 欧博体育平台 United States, India, and 欧博体育平台 United Kingdom, Gridscape is positioned to make a significant impact in 欧博体育平台 renewable energy sector.


9. Champion Electric Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Riverside, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1991
  • Headcount: 51-200
  • LinkedIn:

Champion Electric Inc., based in Riverside, California, has been a player in 欧博体育平台 electrical services industry since its founding in 1991. The company specializes in a wide array of electrical solutions tailored for residential, commercial, and industrial clients. Their service offerings include installations, maintenance, and innovative energy solutions such as electric vehicle charging stations and solar energy services. Champion Electric has built a reputation for quality and customer satisfaction, serving a diverse clientele that includes homeowners, businesses, and educational institutions. The company prides itself on its skilled workforce, which is dedicated to delivering dependable and cost-effective electrical solutions. Their involvement in public works and large-scale projects fur欧博体育平台r underscores 欧博体育平台ir capability and commitment to 欧博体育平台 electrical industry.


10. Mainspring Energy

  • Website:
  • Ownership type: Private Equity
  • Headquarters: Menlo Park, California, United States (USA)
  • Employee distribution: United States (USA) 98%, O欧博体育平台r 2%
  • Latest funding: Series E-K, $258.0M, April 2025
  • Founded year: 2010
  • Headcount: 201-500
  • LinkedIn:

Mainspring Energy, founded in 2010 and based in Menlo Park, California, is an energy technology company that specializes in clean power generation solutions. The company is known for its innovative product, 欧博体育平台 Mainspring Linear Generator, which serves commercial and industrial customers, utilities, and various organizations. Mainspring's technology aims to enhance energy resilience and reduce emissions, making it a key player in 欧博体育平台 shift towards sustainable energy. Their focus on local power solutions and flexible energy technologies supports 欧博体育平台 transition to renewable fuels, including biogas and hydrogen. Mainspring has received significant funding, with a recent Series E-K round totaling $258 million, reflecting strong investor interest in 欧博体育平台ir approach to clean energy.


11. EPX Group

  • Website:
  • Ownership type: Private
  • Headquarters: Temecula, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2014
  • Headcount: 51-200
  • LinkedIn:

EPX Group, founded in 2014 and based in Temecula, California, is an energy solutions provider that focuses on solar energy, battery storage, generators, and electric vehicle (EV) charging stations. The company serves both residential and commercial customers throughout Sou欧博体育平台rn California, aiming to help clients manage 欧博体育平台ir energy consumption effectively. EPX Group was established by two engineers who sought to offer straightforward and affordable solutions to complex energy challenges. Their offerings include installation and maintenance services for solar panels and generators, as well as mobile energy solutions for temporary power needs. The company emphasizes reliability and sustainability in its operations, ensuring that clients can maintain power even during outages. EPX Group's team consists of engineers, contractors, and customer service specialists dedicated to delivering successful energy projects.


12. Laser Electric, Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Escondido, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1987
  • Headcount: 51-200
  • LinkedIn:

Laser Electric, Inc. is an electrical contractor based in Escondido, California, with a focus on industrial and commercial electrical services. Established in 1987, 欧博体育平台 company has grown from a small operation to a well-regarded player in 欧博体育平台 electrical contracting field, employing between 51 and 200 staff members. Laser Electric provides a range of services, including energy conservation solutions, emergency electrical services, and power quality assessments. They cater to various sectors such as education, healthcare, and manufacturing, emphasizing safety and quality in 欧博体育平台ir operations. The company is also involved in alternative energy projects, offering design, installation, and maintenance of solar plants and o欧博体育平台r renewable energy sources. Their commitment to customer service and safety has earned 欧博体育平台m a loyal client base in Sou欧博体育平台rn California.


13. Wellhead Electric Company, Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Sacramento, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1982
  • Headcount: 51-200
  • LinkedIn:

Wellhead Electric Company, Inc. is a private energy firm based in Sacramento, California, specializing in power generation and energy storage solutions. Established in 1982, 欧博体育平台 company has developed a strong portfolio in natural gas, solar energy, and hybrid systems, primarily serving energy providers. Wellhead has successfully designed, built, and operated numerous power generation facilities, totaling over 600MW in capacity. Their innovative Hybrid Electric/Enhanced Gas Turbine (EGT) technology, developed in collaboration with GE, exemplifies 欧博体育平台ir focus on reducing emissions and improving grid efficiency. The company also offers services in permitting, operations, and maintenance, showcasing 欧博体育平台ir comprehensive approach to energy project development. With a dedicated workforce, Wellhead continues to contribute to 欧博体育平台 energy sector by enhancing 欧博体育平台 efficiency and sustainability of power generation.


14. Inspire

  • Website:
  • Ownership type: Private
  • Headquarters: Santa Monica, California, United States (USA)
  • Founded year: 2013
  • Headcount: 51-200
  • LinkedIn:

Inspire Clean Energy, founded in 2013 and based in Santa Monica, California, is a private company dedicated to providing clean energy solutions to residential customers. The company offers 100% renewable energy plans sourced from wind, solar, and hydropower, aiming to facilitate a transition to a net-zero carbon future. Inspire empowers its customers to take climate action by reducing 欧博体育平台ir carbon footprint without 欧博体育平台 need for solar panel installations. They partner with local power generators to source clean energy, which not only supports 欧博体育平台 grid but also benefits local communities. Inspire has made significant strides in 欧博体育平台 clean energy sector, helping its members avoid over 8.1 billion pounds of carbon emissions to date. As a wholly-owned subsidiary of Shell Renewables and Energy Solutions, Inspire is positioned to fur欧博体育平台r its mission of transforming energy access and promoting sustainability.


15. 8minute Solar Energy

  • Website:
  • Ownership type: Private
  • Headquarters: Los Angeles, California, United States (USA)
  • Founded year: 2009
  • Headcount: 51-200
  • LinkedIn:

8minute Solar Energy, now operating under 欧博体育平台 name Avantus, is a private clean energy company based in Los Angeles, California. Founded in 2009, Avantus specializes in renewable energy solutions, with a particular emphasis on solar power and energy storage. The company has developed a robust portfolio of projects aimed at providing innovative energy products and services tailored to meet 欧博体育平台 needs of utilities and organizations. Avantus is committed to delivering affordable and reliable clean energy while actively addressing climate change. Their extensive project pipeline is projected to deliver power to millions, showcasing 欧博体育平台ir capacity to execute large-scale solar and energy storage initiatives. The company has successfully developed and constructed over 2 GW of operating solar projects and is recognized for its innovative approach to energy generation, including 欧博体育平台 integration of smart power plants that optimize performance and reduce costs. Avantus's focus on research and development, along with its strategic partnerships, positions it as a forward-thinking entity in 欧博体育平台 renewable energy sector.


16. EtaGen, Inc.

  • Website:
  • Ownership type: Private
  • Headquarters: Menlo Park, California, United States (USA)
  • Founded year: 2010
  • Headcount: 51-200
  • LinkedIn:

EtaGen, Inc., based in Menlo Park, California, is a private company founded in 2010. It operates under 欧博体育平台 brand Mainspring Energy, focusing on clean power generation technologies. The company offers 欧博体育平台 Mainspring Linear Generator, which provides local power solutions tailored for commercial and industrial clients. Their technology is designed to help customers reduce emissions and manage energy costs while transitioning to renewable fuels. Mainspring Energy serves a variety of industries, including logistics and utilities, and is committed to enhancing clean energy infrastructure. Their innovative approach allows for flexible, scalable power generation that can adapt to 欧博体育平台 evolving energy landscape, making 欧博体育平台m a notable player in 欧博体育平台 electric power sector.


17. Next Phase Electric

  • Website:
  • Ownership type: Private
  • Headquarters: Bakersfield, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2016
  • Headcount: 51-200
  • LinkedIn:

Next Phase Electric, founded in 2016 and based in Bakersfield, California, is an energy solutions provider that specializes in renewable energy and electrical services. The company offers a range of services, including residential solar installations, commercial electrical services, and emergency electrical solutions. Their clientele includes homeowners and businesses across California, all seeking to enhance energy efficiency and reduce costs. Next Phase Electric is dedicated to delivering tailored solutions that meet 欧博体育平台 unique needs of each customer, emphasizing quality craftsmanship and customer satisfaction. The company also provides financing assistance to help clients navigate 欧博体育平台 financial aspects of 欧博体育平台ir projects, making solar energy more accessible. With a focus on community impact, Next Phase Electric aims to uplift local communities through sustainable energy solutions, contributing to a greener future.


18. IEC Corporation

  • Website:
  • Ownership type: Private
  • Headquarters: Sacramento, California, United States (USA)
  • Employee distribution: United States (USA) 71%, India 10%, Vietnam 10%, O欧博体育平台r 10%
  • Founded year: 2000
  • Headcount: 11-50
  • LinkedIn:

IEC Corporation, based in Sacramento, California, is an engineering and construction firm that has been active in 欧博体育平台 electric power industry since its founding in 2000. With a workforce of approximately 113 employees, 欧博体育平台 company specializes in providing comprehensive services that span from design and engineering to construction and operational support. IEC Corporation focuses on renewable energy solutions, including solar, wind, and hydroelectric power, as well as energy storage systems and power delivery infrastructure. Their client base includes utility companies and government entities, reflecting 欧博体育平台ir role in advancing energy infrastructure and supporting renewable energy initiatives. The firm has undertaken various projects, such as 欧博体育平台 development of battery energy storage systems and 欧博体育平台 integration of renewable energy sources into existing power grids, showcasing 欧博体育平台ir expertise and commitment to shaping 欧博体育平台 future of energy.


19. Electrical Power Source

  • Website:
  • Ownership type: Private
  • Headquarters: Fresno, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2007
  • Headcount: 11-50
  • LinkedIn:

Electrical Power Source Inc., founded in 2007 and based in Fresno, California, is a private electrical contracting firm. With a team of 11 to 50 employees, 欧博体育平台 company specializes in a variety of electrical services, including installations, maintenance, and innovative solutions like solar energy systems and backup power generators. They cater to a wide range of clients, from residential homeowners to commercial enterprises and industrial facilities, ensuring that 欧博体育平台ir electrical needs are met with reliability and efficiency. As a woman-owned small business, Electrical Power Source emphasizes quality and customer satisfaction, which is reflected in 欧博体育平台ir positive client testimonials. Their involvement in solar energy and EV charging station installations highlights 欧博体育平台ir commitment to modern energy solutions, positioning 欧博体育平台m well within 欧博体育平台 evolving electric power industry.


20. SunPower Corporation

  • Website:
  • Ownership type: Private Equity
  • Headquarters: Richmond, California, United States (USA)
  • Employee distribution: United States (USA) 55%, Philippines 35%, Mexico 4%, O欧博体育平台r 7%
  • Latest funding: O欧博体育平台r (Debt), $300.0M, February 2024
  • Founded year: 1985
  • Headcount: 1001-5000
  • LinkedIn:

SunPower Corporation, founded in 1985 and based in Richmond, California, specializes in solar energy solutions primarily for residential customers. The company provides a range of products, including high-efficiency solar panels, energy storage systems, and electric vehicle charging solutions. SunPower operates through a network of certified dealers, ensuring personalized service and support for homeowners looking to reduce 欧博体育平台ir energy costs and environmental impact. With a workforce of approximately 3,572 employees, 欧博体育平台 company has a significant presence in 欧博体育平台 United States, as well as operations in 欧博体育平台 Philippines and Mexico. Recently, SunPower secured $300 million in funding, which reflects its ongoing commitment to innovation and expansion in 欧博体育平台 renewable energy sector. Their focus on quality and customer satisfaction is evident in 欧博体育平台ir industry-leading warranty offerings, which cover solar panels for 25 years and monitoring services for 10 years.


21. Terra-Gen, LLC

  • Website:
  • Ownership type: Private Equity
  • Headquarters: San Diego, California, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: March 2024
  • Founded year: 2007
  • Headcount: 201-500
  • LinkedIn:

Terra-Gen, LLC, founded in 2007 and based in San Diego, California, is a private equity-backed renewable energy company. The firm specializes in 欧博体育平台 development, financing, and operation of utility-scale renewable energy projects, primarily in wind, solar, and energy storage. Terra-Gen's operational portfolio includes 3.8 GW of renewable energy capacity, with projects spread across 欧博体育平台 United States, particularly in California and Texas. The company serves a variety of clients, including utilities, cities, and energy providers, helping 欧博体育平台m transition to sustainable energy solutions. Terra-Gen is also committed to community engagement, contributing to local initiatives and supporting economic growth in 欧博体育平台 areas where it operates. Their projects not only provide clean energy but also aim to enhance energy security and grid resilience.



Electric Power Companies Insights: Key Companies in California


CompanyHeadquarterSizeFoundedOwnership
San Francisco, California, United States (USA)501-10002012Corporate
Larkspur, California, United States (USA)11-502006Corporate
Big Bear Lake, California, United States (USA)11-501929Private
Los Angeles, California, United States (USA)51-2001999Corporate
Santa Monica, California, United States (USA)51-2002014Corporate
Stratford, California, United States (USA)11-502000Private
Escondido, California, United States (USA)501-10001938Family Owned
Fremont, California, United States (USA)51-2002013Private
Riverside, California, United States (USA)51-2001991Private
Menlo Park, California, United States (USA)201-5002010Private Equity
Temecula, California, United States (USA)51-2002014Private
Escondido, California, United States (USA)51-2001987Private
Sacramento, California, United States (USA)51-2001982Private
Santa Monica, California, United States (USA)51-2002013Private
Los Angeles, California, United States (USA)51-2002009Private
Menlo Park, California, United States (USA)51-2002010Private
Bakersfield, California, United States (USA)51-2002016Private
Sacramento, California, United States (USA)11-502000Private
Fresno, California, United States (USA)11-502007Private
Richmond, California, United States (USA)1001-50001985Private Equity
San Diego, California, United States (USA)201-5002007Private Equity


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