Schiller
Rockingham County, New Hampshire · EIA plant ID 2367 · Operator: Granite Shore Power
×150 MW other retired since 2020 (latest Oct 2025)
Nameplate21MWSummer 17 MW
Generators1in service
Net generation1GWh12 mo to Aug 2026
Capacity factor0%gas/coal/oil units, summer MW
Heat rate15,584Btu/kWhfossil units, electric fuel, HHV
First online1970Runs as rarely runs
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 | 799.1 | — | — |
| 2002 | 873.5 | — | — |
| 2003 | 944.9 | 67.6% | 12,618 |
| 2004 | 960.4 | 68.5% | 13,001 |
| 2005 | 979.7 | 70.1% | 13,131 |
| 2006 | 797.3 | 75.3% | 13,292 |
| 2007 | 964.4 | 65.6% | 13,791 |
| 2008 | 988.8 | 61.3% | 14,244 |
| 2009 | 803.2 | 49.3% | 13,097 |
| 2010 | 761.8 | 42.6% | 13,593 |
| 2011 | 527 | 24.0% | 13,704 |
| 2012 | 433.2 | 8.7% | 15,418 |
| 2013 | 508.8 | 15.3% | 14,948 |
| 2014 | 500.3 | 16.8% | 15,245 |
| 2015 | 473.9 | 15.5% | 15,813 |
| 2016 | 376.5 | 6.9% | 16,845 |
| 2017 | 351.4 | 6.2% | 15,872 |
| 2018 | 356.1 | 10.5% | 15,819 |
| 2019 | 263.9 | 5.1% | 18,048 |
| 2020 | 23.4 | 0.3% | 18,587 |
| 2021 | 0.5 | 0.1% | 15,619 |
| 2022 | 1 | 0.1% | 14,577 |
| 2023 | 0.6 | 0.1% | 15,878 |
| 2024 | 0.5 | 0.1% | 16,413 |
| 2025 | 0.7 | 0.1% | 16,300 |
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 |
|---|---|---|---|---|---|---|---|---|
| GT1 | Petroleum Liquids | GT | 21.2 | 17 | Nov 1970 | Operating | — | coming soon |
| 4 | Conventional Steam Coal | ST | 50 | 47.5 | Oct 1952 | Retired Oct 2025 | — | coming soon |
| 5 | Wood/Wood Waste Biomass | ST | 50 | 43.1 | May 1955 | Retired Oct 2025 | — | coming soon |
| 6 | Conventional Steam Coal | ST | 50 | 47.9 | Jul 1957 | Retired Oct 2025 | — | 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% | 21 MW |
Nearby plants
Within 80 km.
| Newington | 414 MW | 0.6 km |
| Essential Power Newington LLC | 606 MW | 1.9 km |
| UNH 7.9 MW Plant | 8 MW | 13.1 km |
| Salmon Falls | 1 MW | 14.5 km |
| Rollinsford | 1 MW | 15.6 km |
| Knights Pond Solar, LLC | 4 MW | 16.9 km |