Hecate Energy Clarke County LLC
Clarke County, Virginia · EIA plant ID 61374 · Operator: Dominion Renewable Energy
Nameplate10MWSummer 10 MW
Generators1in service
Net generation16GWh12 mo to Dec 2025
Capacity factor18%solar units, summer MW
Heat rate—thermal plants only
First online2017
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), solar units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2017 | 9.3 | 25.2% | — |
| 2018 | 16.3 | 18.6% | — |
| 2019 | 17.8 | 20.3% | — |
| 2020 | 17.4 | 19.8% | — |
| 2021 | 17 | 19.4% | — |
| 2022 | 3.2 | 3.6% | — |
| 2023 | 11.9 | 13.6% | — |
| 2024 | 15.2 | 17.3% | — |
| 2025 | 15.6 | 17.8% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| PV1 | Solar Photovoltaic | PV | 10 | 10 | Aug 2017 | Operating | — | coming soon |
Owner / operator
Operator: Dominion Renewable Energy. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Dominion Renewable Energy | 100.0% | 10 MW |
Nearby plants
Within 80 km.
| HP Hood CT | 15 MW | 8.6 km |
| Frederick County LFGTE Facility | 2 MW | 9.1 km |
| Bartonsville Energy Facility, LLC | 130 MW | 9.2 km |
| Warren County | 1,472 MW | 10.9 km |
| Foxglove Solar | 75 MW | 12.3 km |
| DG AMP Solar Front Royal | 3 MW | 15.5 km |