Battery storage · United States
William F Wyman Hybrid
Operational16.7 MWChecked 6 October 2026
The site
- Technology
- Battery storage (11 MWh)
- Capacity
- 16.7 MW
- Status
- Operational
- Operator
- FPL Energy Wyman LLC
- Location
- Cumberland County, Maine, United States
- First operating
- 2016
- Balancing authority
- ISNE
View on OpenStreetMap. The larger dot is this site; the others are sites within 40 km.
Incidents on the register at this site
None found. The register holds no published incident that names William F Wyman Hybrid. If you know of one, report it (confidential reports are anonymised).
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Incidents at battery storage sites in the United States
The register holds 53 incidents at battery storage sites in the United States, 42 of them fires, and 176 worldwide. Counts of incidents in published reporting, not rates.
- 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
- Firefighters respond to a battery storage fire in Mission, Texas
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.