Dorchester Biomass
Dorchester County, South Carolina · EIA plant ID 58707 · Operator: Dorchester Biomass LLC
Nameplate23MWSummer 20 MW
Generators1in service
Net generation150GWh12 mo to Dec 2025
Capacity factor88%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 | 5.8 | 21.0% | — |
| 2014 | 124.1 | 75.4% | — |
| 2015 | 157.2 | 90.1% | — |
| 2016 | 158.7 | 90.8% | — |
| 2017 | 147.5 | 84.2% | — |
| 2018 | 145.3 | 83.0% | — |
| 2019 | 155 | 88.5% | — |
| 2020 | 154 | 87.7% | — |
| 2021 | 142.7 | 81.4% | — |
| 2022 | 143.7 | 82.0% | — |
| 2023 | 152.3 | 86.9% | — |
| 2024 | 130.4 | 76.1% | — |
| 2025 | 150 | 87.8% | — |
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: Dorchester Biomass LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Dorchester Biomass LLC | 100.0% | 23 MW |
Nearby plants
Within 80 km.
| Huntley | 75 MW | 20.2 km |
| Omtanke Solar | 6 MW | 21.7 km |
| TWE Bowman Solar Project | 75 MW | 23.2 km |
| Palmetto Plains | 75 MW | 25.6 km |
| Cross | 2,452 MW | 34.6 km |
| Shining Sun Solar | — | 35.6 km |