Viola Generating StationPlanned
Sumner County, Kansas · EIA plant ID 68294 · Operator: Westar Energy Inc
765 MW planned (Natural Gas Fired Combined Cycle), first expected Jan 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 |
|---|---|---|---|---|---|---|---|---|
| VIO1 | Natural Gas Fired Combined Cycle | CS | 765 | 693.2 | planned Jan 2029 | Planned | — | coming soon |
Owner / operator
Operator: Westar Energy 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.
| Wellington 1 | 24 MW | 24.6 km |
| Wellington 2 | 20 MW | 29.2 km |
| Flat Ridge 4 | 134 MW | 30.4 km |
| Cheney Solar | 1 MW | 32.7 km |
| Wichita Plant | retired | 35.3 km |
| Kingman Municipal Power and Light Plant | 19 MW | 35.8 km |