Chester Operations
Delaware County, Pennsylvania · EIA plant ID 50410 · Operator: Kimberly-Clark Corp
Nameplate69MWSummer 56 MW
Generators4in service
Net generation175GWh12 mo to Dec 2025
Capacity factor22%gas/coal/oil units, summer MW
Heat rate4,073Btu/kWhfossil units, electric fuel, HHV
First online2020Runs as intermediate
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), gas/coal/oil 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) |
|---|---|---|---|
| 2001 | 386.2 | — | — |
| 2002 | 367.1 | — | — |
| 2003 | 389.8 | 123.1% | 10,362 |
| 2004 | 350 | 109.5% | 6,834 |
| 2005 | 372 | 118.0% | 6,834 |
| 2006 | 395.8 | 125.5% | 6,834 |
| 2007 | 375.7 | 64.0% | 6,834 |
| 2008 | 344.7 | 58.6% | 7,046 |
| 2009 | 335.3 | 57.1% | 6,834 |
| 2010 | 88.8 | 15.1% | 25,194 |
| 2011 | 77.6 | 13.2% | — |
| 2012 | 70.2 | 11.9% | — |
| 2013 | 302.9 | 51.6% | 7,937 |
| 2014 | 298.3 | 50.8% | 7,916 |
| 2015 | 279.6 | 47.6% | 7,771 |
| 2016 | 241.1 | 41.0% | 4,735 |
| 2017 | 243 | 41.4% | 4,898 |
| 2018 | 214.4 | 36.5% | 5,128 |
| 2019 | 200 | 51.2% | 4,219 |
| 2020 | 94.6 | 43.5% | 4,174 |
| 2021 | 178.1 | 36.0% | 4,232 |
| 2022 | 188.8 | 38.2% | — |
| 2023 | 169.3 | 34.3% | 4,012 |
| 2024 | 172.2 | 34.8% | 4,001 |
| 2025 | 175.2 | 35.5% | 4,073 |
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 |
|---|---|---|---|---|---|---|---|---|
| 6 | Natural Gas Fired Combined Cycle | CT | 17.3 | 14.1 | Jul 2020 | Operating | — | coming soon |
| 6A | Natural Gas Fired Combined Cycle | CA | 17.3 | 14.1 | Aug 2020 | Operating | — | coming soon |
| 7 | Natural Gas Fired Combined Cycle | CT | 17.3 | 14.1 | Aug 2020 | Operating | — | coming soon |
| 7A | Natural Gas Fired Combined Cycle | CA | 17.3 | 14.1 | Aug 2020 | Operating | — | coming soon |
| #5 | Petroleum Coke | ST | 67 | 36 | May 1986 | not_current | — | coming soon |
| 5 | Petroleum Coke | ST | 67 | 67 | May 1986 | Retired Sep 2019 | — | coming soon |
Owner / operator
Operator: Kimberly-Clark Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Kimberly-Clark Corp | 100.0% | 69 MW |
Nearby plants
Within 80 km.
| Chester Generating Station | 56 MW | 2.6 km |
| Liberty Electric Power Plant | 614 MW | 2.8 km |
| Covanta Delaware Valley | 90 MW | 3.2 km |
| Eddystone Generating Station | 862 MW | 3.4 km |
| Bridgeport Disposal Solar Farm | 1 MW | 6.3 km |
| Marcus Hook Energy LP | 836 MW | 6.7 km |