Allentown - Ruppsville
Lehigh County, Pennsylvania · EIA plant ID 69087 · Operator: Madison Energy Investments LLC
Nameplate3MWSummer 3 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor15%solar units, summer MW
Heat rate—thermal plants only
First online2024
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) |
|---|---|---|---|
| 2024 | 0 | 0.0% | — |
| 2025 | 3.6 | 14.6% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| SP326 | Solar Photovoltaic | PV | 2.8 | 2.8 | Dec 2024 | Operating | — | coming soon |
Owner / operator
Operator: Madison Energy Investments LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Madison Energy Investments LLC | 100.0% | 3 MW |
Nearby plants
Within 80 km.
| Trexlertown Solar Array North and South | retired | 1.3 km |
| Upper Macungie CSG 1 LLC | 3 MW | 3 km |
| Orefield | 2 MW | 9.3 km |
| TalenEnergy Martin Creek LLC Allentown | retired | 13 km |
| UE-2202PA, LLC | 2 MW | 17.1 km |
| Northampton Generating Company LP | 134 MW | 17.2 km |