Occidental Power, Solar, Wind & Cogeneration (CSLB #591549 / B license and C-46) is the oldest and most experienced solar design and build firm in San Francisco. We're also a premier dealer of Sun Power Systems. We lead the way in solar heating and solar energy in the city. Every job we do is designed by our professional staff and often meets or exceeds government and industrial codes.

We uphold good business practices including:

Our philosophy to provide high quality solar energy systems

Our committment to environmental and social responsibility

Employing local talent (e.g. Urban League, Bayview-Hunters Point alternative energy programs, California Conservation Corps, and Environmental Degree Programs of California state universities)

Providing maximum savings for you