Vicksburg Advanced Power StationUnder construction
Warren County, Mississippi · EIA plant ID 69223 · Operator: Entergy Mississippi Inc
819 MW under construction (Natural Gas Fired Combined Cycle), first expected Aug 2028 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service · 819 MW building
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 |
|---|---|---|---|---|---|---|---|---|
| GT1 | Natural Gas Fired Combined Cycle | CT | 477.7 | 422.8 | planned Aug 2028 | Under construction | — | coming soon |
| ST1 | Natural Gas Fired Combined Cycle | CA | 341.7 | 291.9 | planned Aug 2028 | Under construction | — | coming soon |
Owner / operator
Operator: Entergy Mississippi 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.
| Baxter Wilson | retired | 0.5 km |
| ERDC | 3 MW | 6.8 km |
| Ergon Refining Vicksburg | 5 MW | 11.6 km |
| International Paper Vicksburg Mill | 51 MW | 30.6 km |
| Grand Gulf | 1,440 MW | 32.9 km |
| Hinds Solar, LLC | — | 52.5 km |