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- Combustion
- Wind & solar
- Under construction
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Wind & solar
- Under construction
- Operating
Subase Microgrid Project: location and 3 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Subase Microgrid Project
Power plant · Gas, other
Key facts
Power plant · Gas, otherran 46% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2022
- Net generation, 2025
- 29,610 MWh
- Grid
- 14 kV to Groton Dept of Utilities - (CT) (ISNE)
- Location
- New London County, Connecticut
- Operated by
- Connecticut Mun Elec Engy Coop
Output
- Gas
Details
Who’s behind it
- Owner
- Fuel Cell Energy
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- Technology
- Gas, other source: “Other Natural Gas”
- Age
- 4 years since 2022
- Heat rate
- 8,044 Btu/kWh 2025
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 238,169 |
| Capacity factor, 2025 | 0.457 |
| Heat rate (Btu/kWh), 2025 | 8,043.5 |
| Net generation (MWh), 2025 | 29,610 |
| Balancing authority code | ISNE |
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Connecticut Mun Elec Engy Coop | Operator | EIA-860M | ||
| Fuel Cell Energy | Owner | 100.0% | 31 Dec 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 Preliminary Monthly Electric Generator Inventory
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: 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
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Subase Microgrid Project Postponed | Gas, reciprocating engine | 0.0 km | 13.1 |
| Groton Flanders Road Landfill Under construction | Solar | 6.3 km | 5 |
| CMEEC - Hollyhock Solar Postponed | Solar | 14.3 km | 6 |