Southern Power to add Battery Energy Storage Resources to two California Solar Projects News provided by Share this article Share this article ATLANTA, Feb. 4, 2021 /PRNewswire/ -- Southern Power, a leading U.S. wholesale energy provider and subsidiary of Southern Company, has been awarded two 20-year power purchase agreements by Southern California Edison (SCE) and is adding battery-based energy storage resources at both Southern Power's Tranquillity Solar Facility and Garland Solar Facility in California. "These projects will be two of the first co-located solar and storage projects operating in the California market," said Southern Power President Bill Grantham. "We're excited to be a part of the effort to enhance California's grid reliability. The addition of these storage resources to our clean energy portfolio is a great strategic fit for our business and will further position Southern Power to meet our customers' needs as the energy industry continues to evolve."