Hawkeye Energy Greenport LLC
Suffolk County, New York · EIA plant ID 55969 · Operator: Hawkeye Energy Greenport LLC
Nameplate54MWSummer 55 MW
Generators1in service
Net generation25GWh12 mo to Dec 2025
Capacity factor5%gas/coal/oil units, summer MW
Heat rate10,037Btu/kWhfossil units, electric fuel, HHV
First online2003Runs as peaking
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) |
|---|---|---|---|
| 2003 | 31.5 | 13.2% | 10,751 |
| 2004 | 30 | 6.3% | 10,512 |
| 2005 | 49.6 | 11.2% | 10,834 |
| 2006 | 35.6 | 7.7% | 11,139 |
| 2007 | 74.3 | 19.3% | 11,634 |
| 2008 | 74.8 | 17.0% | 11,525 |
| 2009 | 46.4 | 10.7% | 11,580 |
| 2010 | 35.8 | 8.3% | 11,514 |
| 2011 | 23.6 | 5.2% | 11,954 |
| 2012 | 20 | 4.3% | 11,616 |
| 2013 | 28.1 | 6.1% | 10,837 |
| 2014 | 13.4 | 2.9% | 11,311 |
| 2015 | 20.4 | 4.4% | 11,317 |
| 2016 | 12.6 | 2.7% | 11,967 |
| 2017 | 8.8 | 1.9% | 11,615 |
| 2018 | 24.1 | 5.1% | 11,108 |
| 2019 | 30.5 | 6.5% | 10,980 |
| 2020 | 51.8 | 10.8% | 10,855 |
| 2021 | 31.1 | 6.5% | 10,592 |
| 2022 | 31.6 | 6.7% | 10,667 |
| 2023 | 16.4 | 3.5% | 11,100 |
| 2024 | 24.8 | 5.0% | 11,154 |
| 2025 | 24.9 | 5.2% | 10,037 |
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 |
|---|---|---|---|---|---|---|---|---|
| U-01 | Petroleum Liquids | GT | 54 | 54.5 | Jul 2003 | Operating | — | coming soon |
Owner / operator
Operator: Hawkeye Energy Greenport LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Hawkeye Energy Greenport LLC | 100.0% | 54 MW |
Nearby plants
Within 80 km.
| Southold | 14 MW | 0 km |
| Greenport | 10 MW | 0.1 km |
| Sterlington Greenworks LLC | 1 MW | 6.9 km |
| Kearsarge Southampton | 5 MW | 19.6 km |
| East Hampton | 27 MW | 21.2 km |
| East Hampton Energy Storage Center | 5 MW | 21.3 km |