Red Lion Energy Center
New Castle County, Delaware · EIA plant ID 58433 · Operator: Diamond State Generation Partners, LLC
Nameplate25MWSummer 25 MW
Generators6in service
Net generation202GWh12 mo to Dec 2025
Capacity factor92%gas/coal/oil units, summer MW
Heat rate6,683Btu/kWhfossil units, electric fuel, HHV
First online2012Runs as baseload
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), gas/coal/oil 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2013 | 86.4 | 71.0% | 6,928 |
| 2015 | 204.1 | 86.3% | 7,501 |
| 2016 | 205.5 | 86.6% | 7,580 |
| 2017 | 205.7 | 87.0% | 7,620 |
| 2018 | 203.1 | 85.9% | 7,712 |
| 2019 | 194.5 | 88.8% | 7,308 |
| 2020 | 204.7 | 93.2% | 6,635 |
| 2021 | 200.4 | 91.5% | 6,615 |
| 2022 | 188 | 86.2% | 7,043 |
| 2023 | 180.3 | 82.7% | 6,781 |
| 2024 | 183.5 | 83.9% | 7,154 |
| 2025 | 201.7 | 92.5% | 6,683 |
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 |
|---|---|---|---|---|---|---|---|---|
| RED1 | Other Natural Gas | FC | 5.9 | 5.9 | Dec 2012 | Operating | — | coming soon |
| RED2 | Other Natural Gas | FC | 5.3 | 5.3 | Jun 2013 | Operating | — | coming soon |
| RED3 | Other Natural Gas | FC | 3.5 | 3.5 | Aug 2013 | Operating | — | coming soon |
| RED4 | Other Natural Gas | FC | 3.6 | 3.6 | Sep 2013 | Operating | — | coming soon |
| RED5 | Other Natural Gas | FC | 3.4 | 3.4 | Oct 2013 | Operating | — | coming soon |
| RED6 | Other Natural Gas | FC | 3.2 | 3.2 | Nov 2013 | Operating | — | coming soon |
Owner / operator
Operator: Diamond State Generation Partners, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Diamond State Generation Partners, LLC | 100.0% | 25 MW |
Nearby plants
Within 80 km.
| Delaware City 10 | 19 MW | 1.1 km |
| Delaware City Plant | 324 MW | 2.6 km |
| AstraZeneca Newark Solar | 3 MW | 7.8 km |
| Pennsville Landfill (CSG) | 4 MW | 8 km |
| Brookside Newark | 3 MW | 9.9 km |
| Croda Atlas Point CHP | 4 MW | 11.9 km |