Energy Storage, Microgrids, Utilities  -  August 17, 2022

SDG&E Orders Battery Energy Storage

San Diego Gas & Electric Company (SDG&E), a regulated investor-owned utility company, ordered Mitsubishi Power’s Emerald storage solutions for four utility-scale battery energy storage system (BESS) projects totaling 39 MW/180 megawatt hours (MWh). 

The Elliot, Clairemont, Paradise, and Boulevard microgrid BESS projects will connect to existing infrastructure in the San Diego region to provide reliable capacity and strengthen grid resiliency amid high energy demands.

The Emerald storage solutions include the Emerald Integrated Plant Controller, which is an Energy Management System (EMS) and Supervisory Control and Data Acquisition (SCADA) system with real-time BESS operation and a monitoring/supervisory control platform. These control features will help ensure that critical public service facilities including fire, medical, emergency management, and police are powered during peak demand and unexpected outages.

“We live in a time when growing threats from climate change and extreme heat waves can increasingly impact grid reliability,” said SDG&E Director of Advanced Clean Technology Fernando Valero in a statement. “By expanding our energy storage portfolio, we are helping our region and critical community facilities become more resilient."

The microgrid BESS projects, approved by the California Public Utilities Commission on June 23, are slated to be online in mid-2023.

Mitsubishi Power will support its Emerald storage solutions for SDG&E with a 10-year Long-Term Service Agreement.

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