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- Storage
- Operating
- 10 · 100 · 1,000 MW
Map
- Storage
- Operating
Madison ESS: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Madison ESS
Power plant · Storage
Key facts
Power plant · Storage Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2019
- Net generation, 2025
- -454 MWh
- Grid
- 34 kV to Central Maine Power Co (ISNE)
- Location
- Somerset County, Maine
- Operated by
- Agilitas Energy, Inc.
Output
Details
Who’s behind it
- Owner
- Madison ESS, LLC
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- Technology
- Storage source: “Batteries”
- Age
- 7 years since 2019
All 4 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 0 |
| Net generation (MWh), 2025 | -454 |
| Balancing authority code | ISNE |
Data notes (1)
- Capacity factor, 2025 not shown: net generation -454.0 MWh is not positive (the plant consumed at least as much as it produced over the year)
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Agilitas Energy, Inc. | Operator | EIA-860M | ||
| Madison ESS, LLC | Owner | 100.0% | Dec 31, 2025 | EIA-860 |
Timeline
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules
Sources
- EIA-860M
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules