Hampton Facility
Rockingham County, New Hampshire · EIA plant ID 10108 · Operator: Foss Manufacturing Company LLC
Nameplate5MWSummer 4 MW
Generators1in service
Net generation28GWh12 mo to Aug 2026
Capacity factor47%gas/coal/oil units, summer MW
Heat rate6,569Btu/kWhfossil units, electric fuel, HHV
First online2000Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 36.2 | — | — |
| 2002 | 35.8 | — | — |
| 2003 | 18.2 | 19.5% | 5,200 |
| 2004 | 34.7 | 36.9% | 4,649 |
| 2005 | 30.5 | 32.6% | 4,623 |
| 2006 | 30.4 | 32.4% | 4,642 |
| 2007 | 31 | 46.6% | 4,574 |
| 2008 | 28.2 | 42.3% | 4,587 |
| 2009 | 25.2 | 37.8% | 4,585 |
| 2010 | 28 | 42.1% | 4,590 |
| 2011 | 26.1 | 39.3% | 4,594 |
| 2012 | 29 | 43.4% | 4,686 |
| 2013 | 30 | 45.1% | 4,592 |
| 2014 | 30.9 | 46.5% | 4,594 |
| 2015 | 31.5 | 47.4% | 4,594 |
| 2016 | 32.7 | 54.0% | 6,438 |
| 2017 | 29.5 | 60.2% | 6,438 |
| 2018 | 30.9 | 92.8% | 6,438 |
| 2019 | 29.8 | 89.6% | 6,438 |
| 2020 | 27.6 | 82.6% | 6,438 |
| 2021 | 29 | 87.1% | 6,438 |
| 2022 | 28.1 | 84.3% | 6,438 |
| 2023 | 27.3 | 82.0% | 6,438 |
| 2024 | 23.4 | 70.2% | 6,499 |
| 2025 | 26.1 | 78.4% | 6,569 |
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 |
|---|---|---|---|---|---|---|---|---|
| GEN8 | Natural Gas Fired Combustion Turbine | GT | 5 | 3.8 | Jan 2000 | Operating | — | coming soon |
| GEN7 | Natural Gas Internal Combustion Engine | IC | 3.1 | 3.1 | Aug 1996 | not_current | — | coming soon |
| GEN1 | Petroleum Liquids | IC | 0.5 | 0.5 | Oct 1978 | Retired Aug 2017 | — | coming soon |
| GEN2 | Petroleum Liquids | IC | 0.5 | 0.5 | Oct 1978 | Retired Aug 2017 | — | coming soon |
| GEN3 | Petroleum Liquids | IC | 0.7 | 0.7 | Jul 1980 | Retired Aug 2017 | — | coming soon |
| GEN4 | Petroleum Liquids | IC | 0.7 | 0.7 | Oct 1981 | Retired Aug 2017 | — | coming soon |
| GEN5 | Petroleum Liquids | IC | 0.7 | 0.7 | Jun 1984 | Retired Aug 2017 | — | coming soon |
| GEN6 | Petroleum Liquids | IC | 0.7 | 0.7 | Apr 1990 | Retired Jan 2016 | — | coming soon |
Owner / operator
Operator: Foss Manufacturing Company LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Foss Manufacturing Company LLC | 100.0% | 5 MW |
Nearby plants
Within 80 km.
| Seabrook | 1,242 MW | 4.4 km |
| True North | 5 MW | 11.1 km |
| Kearsarge Amesbury Hybrid | 5 MW | 13.8 km |
| Hunt Road Solar | 5 MW | 15.5 km |
| Bashaw Solar CSG 1, LLC | 2 MW | 16.9 km |
| Merrimac Solar | 2 MW | 17 km |