Battery storage · United States
Milltown Onsite BESS
Under construction13.2 MWChecked 6 October 2026
The site
- Technology
- Battery storage
- Capacity
- 13.2 MW
- Status
- Under construction
- Operator
- Milltown Onsite Generation, LLC
- Location
- Middlesex County, New Jersey, United States
- Expected
- 2026
- Balancing authority
- PJM
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 Milltown Onsite BESS. 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 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
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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.