KapstoneRetired
Charleston County, South Carolina · EIA plant ID 7737 · Operator: WestRock North Charleston
×99 MW other retired since 2020 (latest Jul 2023)
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online—
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), primary-fuel 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.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2003 | 222.2 | — | 9,413 |
| 2004 | 603.7 | — | 16,679 |
| 2005 | 535 | — | 14,901 |
| 2006 | 542.7 | — | 11,719 |
| 2007 | 535.9 | — | 14,545 |
| 2008 | 540 | — | 20,470 |
| 2009 | 492 | — | 25,353 |
| 2010 | 528.6 | — | 24,681 |
| 2011 | 506.2 | — | 24,590 |
| 2012 | 579.3 | — | 22,668 |
| 2013 | 564.5 | — | 23,799 |
| 2014 | 573.3 | — | 12,532 |
| 2015 | 536.2 | — | 12,569 |
| 2016 | 520.9 | 40.8% | 5,689 |
| 2017 | 508.4 | 41.6% | 5,756 |
| 2018 | 435.3 | 36.1% | 5,802 |
| 2019 | 478 | 37.5% | 5,715 |
| 2020 | 423.7 | 33.3% | 5,759 |
| 2021 | 366.7 | 29.0% | 5,799 |
| 2022 | 456.5 | 34.0% | 5,831 |
| 2023 | 153.2 | 24.1% | 6,150 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Wood/Wood Waste Biomass | ST | 99.2 | 85 | Apr 1999 | Retired Jul 2023 | — | coming soon |
Owner / operator
Operator: WestRock North Charleston. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Hagood | 177 MW | 8.2 km |
| Bushy Park Combustion Turbine Facility | 65 MW | 13.2 km |
| Williams | 660 MW | 13.3 km |
| Berkeley County Landfill | 3 MW | 25.3 km |
| Omtanke Solar | 6 MW | 37.3 km |
| Jefferies | 145 MW | 38.4 km |