Long John CSG
DeKalb County, Illinois · EIA plant ID 64784 · Operator: Long John Solar, LLC
Nameplate2MWSummer 2 MW
Generators1in service
Net generation4GWh12 mo to Dec 2025
Capacity factor24%solar units, summer MW
Heat rate—thermal plants only
First online2021
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) |
|---|---|---|---|
| 2021 | 2.1 | 17.9% | — |
| 2022 | 4 | 22.7% | — |
| 2023 | 3.8 | 21.6% | — |
| 2024 | 3.5 | 20.1% | — |
| 2025 | 4.3 | 24.4% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| LJOHN | Solar Photovoltaic | PV | 2 | 2 | May 2021 | Operating | — | coming soon |
Owner / operator
Operator: Long John Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Long John Solar, LLC | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| Engel Solar 1A | 2 MW | 1 km |
| Engel Solar 1, LLC | 2 MW | 1.1 km |
| Frieders Solar 1, LLC | 2 MW | 2.2 km |
| Pine Road Solar, LLC CSG | 2 MW | 2.4 km |
| Plote Somonauk | 2 MW | 3.3 km |
| Somonauk Road Solar 1 | 2 MW | 7.2 km |