Marlboro Mill
Marlboro County, South Carolina · EIA plant ID 57470 · Operator: Domtar Paper Company Bennettsville
Nameplate51MWSummer 34 MW
Generators1in service
Net generation213GWh12 mo to Dec 2025
Capacity factor71%other units, summer MW
Heat rate—thermal plants only
First online2010
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) |
|---|---|---|---|
| 2010 | 72.4 | 72.3% | — |
| 2011 | 271.2 | 90.5% | — |
| 2012 | 116.3 | 38.7% | — |
| 2013 | 251.7 | 84.0% | — |
| 2014 | 150.8 | 50.3% | — |
| 2015 | 0 | 0.0% | — |
| 2016 | 19.9 | 6.6% | — |
| 2017 | 0 | 0.0% | — |
| 2018 | 0 | 0.0% | — |
| 2019 | 0 | 0.0% | — |
| 2020 | 0 | 0.0% | — |
| 2021 | 0 | 0.0% | — |
| 2022 | 0 | 0.0% | — |
| 2023 | 0 | 0.0% | — |
| 2024 | 198.5 | 66.1% | — |
| 2025 | 213.5 | 71.3% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| MG1 | Wood/Wood Waste Biomass | ST | 51.4 | 34.2 | Sep 2010 | Operating | — | coming soon |
Owner / operator
Operator: Domtar Paper Company Bennettsville. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Domtar Paper Company Bennettsville | 100.0% | 51 MW |
Nearby plants
Within 80 km.
| Juniper Solar | — | 7.9 km |
| Hickson Solar, LLC | 3 MW | 10.4 km |
| Watauga Solar | 2 MW | 10.5 km |
| Ross Solar | — | 18.8 km |
| Culpepper Solar | — | 22.3 km |
| Shorthorn Holdings | 9 MW | 23.9 km |