Southern Power activates battery-based energy storage at solar facilities

Energy provider Southern Power announced that battery-based energy storage projects at its Tranquillity and Garland solar facilities in California are now fully operational.

The energy storage projects are owned in partnership with KKR and AIP Management (on behalf of Danish pension funds PKA and PenSam). Each have ownership interests in the Garland and Tranquillity solar facilities.

Have you read:
Solar-plus-storage energy projects join Nexamp community farms
SDG&E selects Mitsubishi energy storage system to boost flexibility
About Eve Energy: a global competitive lithium battery platform company

Rosendin Electric constructed the sites and Mitsubishi Power Americas served as the equipment supplier, utilising Powin Energy Corporation batteries. Mitsubishi Power Americas will also service the projects under a 20-year long-term service agreement.

The battery-based energy storage additions will enhance California’s grid reliability by providing additional flexible resource capacity. This will in turn assist in further integrating renewable energy into the grid.

At peak capacity, the Garland Solar Facility Battery Storage project will add 88MW and 352MWh of energy storage. 72MW and 288MWh of energy storage will be added to the Tranquillity Solar Facility.

Southern Power President Bill Grantham commented in a statement, “These co-located solar and storage projects are a first of their kind for Southern Power. (…) We expect these new battery-based energy storage projects to enhance California’s grid reliability.”

The resource adequacy capacity benefits of both facilities are being sold under a 20-year power purchase agreement to Southern California Edison.