Battery storage · United States
Mammoth
Planned80 MWChecked 26 October 2026
Mammoth is a 80 MW battery storage site 30 km north-west of Oak Hill, Kanawha County, West Virginia, United States. Its status in the U.S. Energy Information Administration, Form EIA-860M is planned. There is one other energy site within 10 km. The register holds no incident at this site. It holds 57 incidents at battery storage sites in the United States, and 189 worldwide.
Preparing, reviewing or responding to a planning application for a site like this? The planning evidence pack for Mammoth sets out every comparable incident for this project, with sources. Launch price: £145 until 31 October (normally £295). By email in minutes; the order form arrives filled in from this record.
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Preview of the planning evidence pack for this site
The pack for this site lists 52 comparable battery incidents in the United States, grid-scale only, nearest first. The nearest is EIR-0634, Consumers Energy battery fire triggers shelter-in-place in Standish, Michigan, 679 km from this site.
| Reference | Year | Incident | From the site | Severity |
|---|---|---|---|---|
| EIR-0634 | 2021 | Consumers Energy battery fire triggers shelter-in-place in Standish, Michigan | 679 km | Significant |
| EIR-0555 | 2025 | Single container fire at West Warwick 3 Battery Storage Site in Warwick, New York | 684 km | Significant |
| EIR-0381 | 2025 | Fire at Church Street Battery Storage Facility, Warwick, New York, involves unauthorized system | 684 km | Significant |
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The first 3 rows as the pack shows them. The other 49 are in the pack, each with its distance, sources and the fire service guidance it bears on.
The map
Summary for this site
This part of the pack is written for this site and opens with the pack. This part of the pack is written for this site and opens with the pack. This part of the pack is written for this site and opens with the pack.
Paragraphs for the planning statement
This part of the pack is written for this site and opens with the pack. This part of the pack is written for this site and opens with the pack. This part of the pack is written for this site and opens with the pack. This part of the pack is written for this site and opens with the pack.
In the full packThe site
- Technology
- Battery storage
- Capacity
- 80 MW
- Status
- Planned
- Operator
- MN8 Energy LLC
- Location
- Kanawha County, West Virginia, United States
- Expected
- 2029
- 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 Mammoth. If you know of one, report it (confidential reports are anonymised).
Questions
- Has Mammoth had a fire or other incident?
- None is on the register as of 29 October 2026. The register holds no published incident that names Mammoth; it holds 57 incidents at battery storage sites in the United States.
- What is the status of Mammoth?
- Planned, in the U.S. Energy Information Administration, Form EIA-860M.
- Where is Mammoth?
- 30 km north-west of Oak Hill, Kanawha County, West Virginia, United States.
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. Nearest town: GeoNames (CC BY 4.0).