Occidental Power 888.497.6527 or 415.681.8861


Providing Solar Installations in the San Francisco Bay Area since 1989



Our Solar Power Partners

We work with international, American and local companies who help make our solar installations successful. Learn more about how our partnership them provides us with the materials and tools that supply our solar electric and thermal systems.


Heliodyne Solar Hot Water

For 30 years, SunPower® has led the way with record-setting technologies and innovative solar solutions, and our cutting-edge approach to sustainability is renowned for its positive impact on the environment and our communities. No other solar company offers such a complete package.

SunPower commercial dealers are qualified and professional solar installers for commercial projects:

  • Trained to the highest standards
  • We inspect our dealers’ work to ensure that the highest quality
  • Reliably deliver systems designed to produce more solar electricity for the life of the system

For more information, visit www.us.sunpower.com.

German Solar

GermanSolar USA is a leading manufacturer of high performance photovoltaic modules, and we’ve expanded to multiple areas including USA. Our production control at the production facilities has the highest priority. We focus on producing modules with excellent yields and high durability.

For more information, visit http://www.germansolarusa.com.


As a leading global specialist for photovoltaic system technology, SMA is setting the standards today for the decentralized and renewable energy supply of tomorrow. More than 3,000 SMA employees in 20 countries have devoted themselves to this task. Our innovative solutions for all photovoltaic applications and our unsurpassed service offer our customers worldwide greater independence in meeting their energy needs.

For more information, visit www.sma-america.com

SolarEdge invented an intelligent inverter solution that revolutionized the way power is harvested and managed in a solar photovoltaic (PV) system. The SolarEdge direct current (DC) optimized inverter system maximizes power generation at the individual PV module level while lowering the cost of energy produced by the solar PV system.

For more information, visit www.solaredge.com.

Heliodyne Solar Hot Water

Heliodyne®, established in 1976, has acquired a solid reputation of engineering and manufacturing quality solar water heating equipment for both residential and commercial applications.

For more information, visit www.heliodyne.com.

Tecogen Tecogen is a next-generation manufacturer of natural-gas-fueled, engine-driven, combined heat and power (CHP) products that aim to reduce energy costs, reduce greenhouse gas emissions, and alleviate congestion on the national power grid.

For more information, visit www.tecogen.com

Ygrene Energy Fund is the nation’s leading provider of residential, multifamily and commercial property assessed clean energy financing. The award-winning, privately funded YgreneWorks:™ program provides immediately accessible financing with no upfront payments for energy efficiency, renewable energy, water conservation, and, in certain areas, hurricane protection, electric vehicle charging stations and seismic upgrades. Ygrene is committed to making it easy for property owners to invest in their future and a healthier environment. Over the next five years, YgreneWorks is expected to create tens of thousands of jobs and invest several billion dollars into local economies. 

For more information, visit www.ygreneworks.com.

CaliforniaFIRST offers innovative financing solutions that help contractors build a better business. Renew Financial was founded in 2008 by Cisco DeVries, who brought together a multidisciplinary team of experts in finance, technology, operations, and government policy to innovate the Property Assessed Clean Energy (PACE) financing model.

We specialize in affordable financing for renewable energy and energy efficiency projects, and we are developing an array of financing products that will help move America toward a clean energy model.

For more information, visit https://renewfinancial.com/product/californiafirst.

California First National Bank ("CalFirst Bank" or the "Bank") offers competitive loans and leases to small and mid-sized companies, not-for-profit organizations, associations and both private and public educational institutions. CalFirst Bank provides customers, who seek competitive interest rates for their deposits, with the convenience of banking anytime and anywhere. CalFirst Bank accepts deposits using the Internet, and the mail, and provides the security of FDIC insurance of at least $250,000 per depositor. 

For more information, visit www.calfirst.com.