Battery storage · United States
Elkhorn Battery Energy Storage System
Operational183 MWChecked 6 October 2026
The site
- Technology
- Battery storage (730 MWh)
- Capacity
- 183 MW
- Status
- Operational
- Operator
- Pacific Gas & Electric Co.
- Location
- Monterey County, California, United States
- First operating
- 2022
- Balancing authority
- CISO
View on OpenStreetMap. The larger dot is this site; the others are sites within 40 km.
Incidents on the register at this site
- Megapack fire at PG&E Elkhorn Battery, Moss Landing, California
- Clamp failure and coolant leak found during Moss Landing battery restart testing
Matched by the site's name in the entry's own reporting. If one is wrong, tell the editor.
Follow Elkhorn Battery Energy Storage System
Get one email when this site's status changes in the U.S. Energy Information Administration, Form EIA-860M, or when the register publishes an incident that names it. Free, no account needed, unsubscribe in one click.
By following you agree to the privacy policy.
Incidents at battery storage sites in the United States
The register holds 54 incidents at battery storage sites in the United States, 43 of them fires, and 177 worldwide. Counts of incidents in published reporting, not rates.
- Inverter fire at Kayak Energy Storage Center in Florida
- Small fire contained at Terra-Gen battery storage in Valley Center
- Lithium-ion battery explosion leads to prolonged thermal event at a US solar and storage site
- Residential battery system prompts extra caution at Folsom house fire
- Home battery reported drained by EV charger during a grid outage
What fails at battery storage sites · All battery storage incidents
Own, insure or lend to this site or others like it? A portfolio safety record checks every site in a list against the register, free; the paid records add the site, operator, cause, downtime and loss behind each incident.
Source: U.S. Energy Information Administration, Form EIA-860M (Preliminary Monthly Electric Generator Inventory). The dataset. The register adds only the incidents and the counts.