Pyrites Plant
St. Lawrence County, New York · EIA plant ID 10547 · Operator: Central Rivers Power US, LLC
Nameplate8MWSummer 8 MW
Generators3in service
Net generation25GWh12 mo to Dec 2025
Capacity factor37%hydro units, summer MW
Heat rate—thermal plants only
First online1949
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), hydro 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 25.1 | 36.7% | — |
| 2002 | 31.7 | 46.3% | — |
| 2003 | 29.5 | 43.2% | — |
| 2004 | 32.8 | 47.9% | — |
| 2005 | 34.6 | 50.6% | — |
| 2006 | 31 | 45.3% | — |
| 2007 | 27.2 | 40.3% | — |
| 2008 | 3.8 | 5.6% | — |
| 2009 | 29.6 | 43.9% | — |
| 2010 | 28 | 41.5% | — |
| 2011 | 32.8 | 48.7% | — |
| 2012 | 27.5 | 40.6% | — |
| 2013 | 31.7 | 47.1% | — |
| 2014 | 29.2 | 43.3% | — |
| 2015 | 23.1 | 34.2% | — |
| 2016 | 24.7 | 36.5% | — |
| 2017 | 35.1 | 52.1% | — |
| 2018 | 24.1 | 35.7% | — |
| 2019 | 29.9 | 44.4% | — |
| 2020 | 19.7 | 29.1% | — |
| 2021 | 21.2 | 31.5% | — |
| 2022 | 28.7 | 42.6% | — |
| 2023 | 27.8 | 41.1% | — |
| 2024 | 25.3 | 37.4% | — |
| 2025 | 24.9 | 36.9% | — |
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 | Conventional Hydroelectric | HY | 1.2 | 1.1 | Jan 1949 | Operating | — | coming soon |
| GEN2 | Conventional Hydroelectric | HY | 3.5 | 3.3 | Dec 1985 | Operating | — | coming soon |
| GEN3 | Conventional Hydroelectric | HY | 3.5 | 3.3 | Dec 1985 | Operating | — | coming soon |
Owner / operator
Operator: Central Rivers Power US, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Central Rivers Power US, LLC | 100.0% | 8 MW |
Nearby plants
Within 80 km.
| Rich Road Solar Energy Center | — | 5.1 km |
| ASA DeKalb NY Solar I LLC | 5 MW | 5.6 km |
| ASA DeKalb NY Solar II LLC | 3 MW | 5.8 km |
| Sheesley (CSG) | 4 MW | 9.6 km |
| TJA-NY-Canton Solar Farm LLC | 5 MW | 9.9 km |
| NY Hermon 1040 County Rd 21 | 2 MW | 10.2 km |