San Diego Gas & Electric (SDG&E) has obtained approval to add 83.5 MW of energy storage facilities in California, the power utility said on Monday.
The company has been given the green light by the California Public Utilities Commission (CPUC) to contract five projects envisaging the installation of lithium-ion battery storage facilities in San Diego and south Orange counties. A 30-MW/120-MWh storage system will be constructed in San Diego by Renewable Energy Systems (RES) America, while Advanced Microgrid Solutions will build a 4-MW/16-MWh lithium-ion battery in San Juan Capistrano. Both facilities are planned to be switched on by December 2019.
The approved capacity also includes a 40-MW/160-MW energy storage project in Fallbrook, proposed by Fluence, a business created in January 2018 by Siemens AG (ETR:SIE) and AES Corp (NYSE:AES), as well as a 6.5-MW/26-MWh facility in Escondido, to be installed by Powin Energy. Those two lithium-ion systems are scheduled for completion by March 2021 and June 2021, respectively.
The fifth storage project, under which SDG&E is contracting Enel Green Power, is for a 3-MW/12-MWh facility in Poway, slated for completion by December 2021.
CPUC’s clearance also covers a contract between SDG&E and OhmConnect under which the latter is providing a demand response programme for the equivalent of 4.5 MW.
The projects are seen to improve the reliability of the local power grid and enable the addition of more renewable energy capacity, SDG&E said. They are in line with its goal to develop or interconnect more than 330 MW of energy storage capacity by 2030.
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