Upson County GA S1 LLC
Upson County, Georgia · EIA plant ID 66353 · Operator: SolRiver Capital LLC
Nameplate3MWSummer 3 MW
Generators1in service
Net generation5GWh12 mo to Dec 2025
Capacity factor20%solar units, summer MW
Heat rate—thermal plants only
First online2023
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) |
|---|---|---|---|
| 2023 | 5.1 | 25.7% | — |
| 2024 | 6.5 | 24.8% | — |
| 2025 | 5.4 | 20.5% | — |
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 | 3 | 3 | Apr 2023 | Operating | — | coming soon |
Owner / operator
Operator: SolRiver Capital LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| SolRiver Capital LLC | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Edward L. Addison Generating Plant | 701 MW | 3.2 km |
| Upson Rocky Creek Solar Plant | 1 MW | 6 km |
| Piedmont Green Power | 60 MW | 19.3 km |
| Camp Solar Plant | 2 MW | 24.9 km |
| Meriwether Jackson | 3 MW | 34.5 km |
| Georgia LFG Pine Ridge Plant | 7 MW | 37.9 km |