NSB Atqasuk Utility
North Slope County, Alaska · EIA plant ID 7482 · Operator: North Slope Borough Power & Light
Nameplate3MWSummer 3 MW
Generators5in service
Net generation3GWh12 mo to Dec 2025
Capacity factor12%gas/coal/oil units, summer MW
Heat rate11,402Btu/kWhfossil units, electric fuel, HHV
First online1986Runs 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) |
|---|---|---|---|
| 2002 | 3.7 | 35.4% | 9,566 |
| 2003 | 3.4 | 12.0% | 10,279 |
| 2004 | 3.3 | 11.6% | 11,002 |
| 2005 | 3.3 | 11.7% | 10,639 |
| 2006 | 3.1 | 11.1% | 7,900 |
| 2007 | 2 | 7.1% | 11,940 |
| 2008 | 2.9 | 10.5% | 12,864 |
| 2009 | 3.2 | 11.2% | 18,521 |
| 2010 | 3 | 10.7% | 11,715 |
| 2011 | 3.2 | 11.6% | 10,953 |
| 2012 | 3.3 | 11.8% | 11,005 |
| 2013 | 3.4 | 12.0% | 11,106 |
| 2014 | 3.4 | 12.0% | 11,038 |
| 2015 | 3.3 | 11.7% | 11,307 |
| 2016 | 2.9 | 10.2% | 12,508 |
| 2017 | 2.8 | 10.1% | 12,565 |
| 2018 | 3 | 10.6% | 12,401 |
| 2019 | 2.8 | 9.9% | 12,809 |
| 2020 | 2.9 | 10.3% | 12,660 |
| 2021 | 2.2 | 7.7% | 17,077 |
| 2022 | 1.9 | 6.8% | 19,995 |
| 2023 | 2 | 7.2% | 18,994 |
| 2024 | 2.9 | 10.5% | 12,877 |
| 2025 | 3.4 | 12.1% | 11,402 |
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 |
|---|---|---|---|---|---|---|---|---|
| NA1 | Petroleum Liquids | IC | 0.9 | 0.9 | Feb 2003 | Operating | — | coming soon |
| NA2 | Petroleum Liquids | IC | 0.9 | 0.9 | Feb 2003 | Operating | — | coming soon |
| NA3 | Petroleum Liquids | IC | 0.4 | 0.4 | Feb 2003 | Operating | — | coming soon |
| PG2 | Petroleum Liquids | IC | 0.4 | 0.4 | Aug 1986 | Operating | — | coming soon |
| PG3 | Petroleum Liquids | IC | 0.6 | 0.6 | Aug 1986 | Operating | — | coming soon |
| PG1 | Petroleum Liquids | IC | 0.2 | 0.2 | — | Retired Jan 2003 | — | coming soon |
Owner / operator
Operator: North Slope Borough Power & Light. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| North Slope Borough Power & Light | 100.0% | 3 MW |
Nearby plants
Within 80 km.
No other plants within 80 km.