Mars Wrigley Confectionery US, LLC
WARREN County, New Jersey · EIA plant ID 10061 · Operator: Mars Chocolate North America LLC
Nameplate12MWSummer 10 MW
Generators2in service
Net generation55GWh12 mo to Dec 2025
Capacity factor66%gas/coal/oil units, summer MW
Heat rate7,895Btu/kWhfossil units, electric fuel, HHV
First online1984Runs as baseload
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 | 27.4 | — | — |
| 2002 | 78.8 | — | — |
| 2003 | 68.5 | 73.0% | 11,813 |
| 2004 | 48.2 | 51.2% | 11,813 |
| 2005 | 56.3 | 60.0% | 11,813 |
| 2006 | 56.3 | 60.0% | 11,813 |
| 2007 | 49.2 | 52.5% | 11,813 |
| 2008 | 62.1 | 66.1% | 11,813 |
| 2009 | 47.8 | 51.0% | 11,813 |
| 2010 | 51.5 | 55.0% | 11,813 |
| 2011 | 59.4 | 63.3% | 12,380 |
| 2012 | 55.8 | 59.4% | 11,813 |
| 2013 | 57.8 | 61.7% | 11,813 |
| 2014 | 55.8 | 59.6% | 11,813 |
| 2015 | 55.8 | 59.6% | 12,310 |
| 2016 | 55.2 | 58.8% | 8,330 |
| 2017 | 51.9 | 55.4% | 7,900 |
| 2018 | 59 | 70.9% | 7,905 |
| 2019 | 57.5 | 69.1% | 7,871 |
| 2020 | 59.6 | 71.5% | 7,866 |
| 2021 | 57.8 | 69.4% | 7,807 |
| 2022 | 56.7 | 68.2% | 7,852 |
| 2023 | 48.5 | 58.3% | 7,872 |
| 2024 | 41.7 | 49.9% | 7,953 |
| 2025 | 55.2 | 66.3% | 7,895 |
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 | Natural Gas Fired Combined Cycle | CT | 10.9 | 8.8 | May 1989 | Operating | — | coming soon |
| GEN2 | Natural Gas Fired Combined Cycle | CA | 1.4 | 0.7 | Oct 1984 | Operating | — | coming soon |
Owner / operator
Operator: Mars Chocolate North America LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Mars Chocolate North America LLC | 100.0% | 12 MW |
Nearby plants
Within 80 km.
| PSEG Hackettstown | retired | 0.3 km |
| 350 Clark Solar, NG, LLC | 2 MW | 8.7 km |
| Mount Olive Solar 3 LLC | 2 MW | 9.5 km |
| Benjamin Moore & Co. Solar | 1 MW | 10.1 km |
| Toys R Us- DE, Inc. at Mt. Olive, NJ | 4 MW | 10.2 km |
| Mount Olive Solar Farm | 20 MW | 10.8 km |