Jefferson Power StationPlanned
Jefferson County, Arkansas · EIA plant ID 69185 · Operator: Entergy Arkansas Inc
820 MW planned (Natural Gas Fired Combined Cycle), first expected Nov 2029 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
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 |
|---|---|---|---|---|---|---|---|---|
| JPS1 | Natural Gas Fired Combined Cycle | CA | 342 | 310 | planned Nov 2029 | Planned | — | coming soon |
| JPSCT | Natural Gas Fired Combined Cycle | CT | 478 | 420 | planned Nov 2029 | Planned | — | coming soon |
Owner / operator
Operator: Entergy Arkansas Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| White Bluff | 1,800 MW | 0.5 km |
| Colonel Charles D. Maynard Project | — | 3.8 km |
| Arkansas Cypress Solar Station | — | 5.6 km |
| Redfield Solar | 100 MW | 19.3 km |
| Harry L. Oswald | 600 MW | 19.6 km |
| Lion Solar | — | 22.8 km |