Allendale Biomass
Allendale County, South Carolina · EIA plant ID 58706 · Operator: Allendale Biomass LLC
Nameplate23MWSummer 20 MW
Generators1in service
Net generation151GWh12 mo to Dec 2025
Capacity factor89%other units, summer MW
Heat rate—thermal plants only
First online2013
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), other 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) |
|---|---|---|---|
| 2013 | 1.7 | 6.0% | — |
| 2014 | 118.7 | 72.1% | — |
| 2015 | 161.5 | 92.6% | — |
| 2016 | 162.7 | 93.1% | — |
| 2017 | 159.6 | 91.1% | — |
| 2018 | 154.5 | 88.2% | — |
| 2019 | 158.4 | 90.4% | — |
| 2020 | 158 | 90.0% | — |
| 2021 | 142 | 84.4% | — |
| 2022 | 151 | 89.8% | — |
| 2023 | 121 | 71.9% | — |
| 2024 | 137.6 | 80.3% | — |
| 2025 | 151.3 | 88.6% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN1 | Wood/Wood Waste Biomass | ST | 22.5 | 19.5 | Nov 2013 | Operating | — | coming soon |
Owner / operator
Operator: Allendale Biomass LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Allendale Biomass LLC | 100.0% | 23 MW |
Nearby plants
Within 80 km.
| Haley Solar | 8 MW | 3.3 km |
| Quest Solar | — | 5.5 km |
| Southern Current One, LLC | 10 MW | 8.1 km |
| Big Fork Solar | — | 16.1 km |
| Lily Solar | 70 MW | 18.1 km |
| Hampton Solar 2 | 20 MW | 18.6 km |