Elm City BESS
Wilson County, North Carolina · EIA plant ID 69444 · Operator: Duke Energy Progress - (NC)
Nameplate20MWSummer 20 MW
Generators1in service
Net generation—GWh12 mo
Capacity factor—not meaningful for storage
Heat rate—thermal plants only
First online2026
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| ECB1 | Batteries | BA | 20 | 20 | Sep 2026 | Operating | — | coming soon |
Owner / operator
Operator: Duke Energy Progress - (NC). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Duke Energy Progress - (NC) | 100.0% | 20 MW |
Nearby plants
Within 80 km.
| Elm City Solar Facility | 40 MW | 1.2 km |
| Langley PV1 | 5 MW | 1.5 km |
| Wilson Farm 1 | 5 MW | 2.3 km |
| Van Slyke Solar Center, LLC | 5 MW | 2.7 km |
| Upchurch Solar Center LLC | 5 MW | 2.7 km |
| Jackson Solar Farm | 10 MW | 5 km |