Newington
Rockingham County, New Hampshire · EIA plant ID 8002 · Operator: Granite Shore Power
Nameplate414MWSummer 400 MW
Generators1in service
Net generation135GWh12 mo to Aug 2026
Capacity factor4%gas/coal/oil units, summer MW
Heat rate12,599Btu/kWhfossil units, electric fuel, HHV
First online1974Runs as peaking
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 | 442.2 | 12.4% | 12,399 |
| 2002 | 660.5 | 18.8% | 12,175 |
| 2003 | 1,955.7 | 55.8% | 11,055 |
| 2004 | 1,757.3 | 50.0% | 11,066 |
| 2005 | 1,160.7 | 33.1% | 11,285 |
| 2006 | 272.8 | 7.8% | 12,501 |
| 2007 | 309 | 8.8% | 11,939 |
| 2008 | 109.5 | 3.1% | 13,206 |
| 2009 | 172.4 | 4.9% | 13,026 |
| 2010 | 220.8 | 6.3% | 13,804 |
| 2011 | 125.2 | 3.6% | 13,686 |
| 2012 | 72.6 | 2.1% | 13,762 |
| 2013 | 80.8 | 2.3% | 13,845 |
| 2014 | 128.7 | 3.7% | 12,874 |
| 2015 | 120.1 | 3.4% | 12,562 |
| 2016 | 49.2 | 1.4% | 13,266 |
| 2017 | 44.2 | 1.3% | 13,209 |
| 2018 | 114.9 | 3.3% | 12,039 |
| 2019 | 5.8 | 0.2% | 14,190 |
| 2020 | 16.5 | 0.5% | 15,277 |
| 2021 | 58.5 | 1.7% | 13,619 |
| 2022 | 137.6 | 3.9% | 11,958 |
| 2023 | 51.9 | 1.5% | 12,142 |
| 2024 | 57.8 | 1.6% | 13,433 |
| 2025 | 132.1 | 3.8% | 12,660 |
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 | Petroleum Liquids | ST | 414 | 400.2 | Jun 1974 | Operating | — | coming soon |
Owner / operator
Operator: Granite Shore Power. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Granite Shore Power | 100.0% | 414 MW |
Nearby plants
Within 80 km.
| Schiller | 21 MW | 0.6 km |
| Essential Power Newington LLC | 606 MW | 1.3 km |
| UNH 7.9 MW Plant | 8 MW | 12.5 km |
| Salmon Falls | 1 MW | 14.2 km |
| Rollinsford | 1 MW | 15.3 km |
| Knights Pond Solar, LLC | 4 MW | 16.7 km |