Columbia Solar Energy is a solar power facility located in Pittsburg, California, within the Western Electricity Coordinating Council region. With an operating capacity of 19.2 MW, the plant harnesses solar energy to generate electricity. It is managed by Blue Oak Energy and operates under an unregulated status. The majority ownership belongs to Quattro Solar, which is part of LS Power Development. The primary power purchaser for the energy produced is Pacific Gas and Electric Company, ensuring a reliable market for the solar-generated power.