Middleton Biogas Solar, LLC
Dane County, Wisconsin · EIA plant ID 66048 · Operator: Middleton Biogas Solar, LLC
Nameplate2MWSummer 2 MW
Generators2in service
Net generation2GWh12 mo to Dec 2025
Capacity factor11%solar units, summer MW
Heat rate—thermal plants only
First online2022
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) |
|---|---|---|---|
| 2022 | 2.1 | 18.9% | — |
| 2023 | 3.3 | 19.8% | — |
| 2024 | 1.8 | 10.8% | — |
| 2025 | 1.9 | 11.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| MBS | Solar Photovoltaic | PV | 1.9 | 1.9 | May 2022 | Operating | — | coming soon |
| MBS-B | Batteries | BA | 0.3 | 0.3 | May 2022 | Operating | — | coming soon |
Owner / operator
Operator: Middleton Biogas Solar, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Juhl Clean Energy Assets, Inc. | 100.0% | 2 MW |
Nearby plants
Within 80 km.
| GL Dairy Biogas | retired | 0.2 km |
| Middleton Airport Solar | 6 MW | 1.4 km |
| West Middleton BESS | 7 MW | 3.8 km |
| Pine Hill Solar | — | 10 km |
| West Campus Cogeneration Facility | 169 MW | 11.2 km |
| Huiskamp BESS | 7 MW | 11.6 km |