Amalgamated Sugar Twin Falls
Twin Falls County, Idaho · EIA plant ID 10504 · Operator: The Amalgamated Sugar Co
Nameplate13MWSummer 11 MW
Generators4in service
Net generation21GWh12 mo to Dec 2025
Capacity factor26%gas/coal/oil units, summer MW
Heat rate4,935Btu/kWhfossil units, electric fuel, HHV
First online1948Runs as intermediate
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 | 75.4 | 135.4% | 14,949 |
| 2002 | 46.6 | 68.9% | — |
| 2004 | 48.1 | 66.7% | 4,911 |
| 2005 | 48.9 | 68.0% | 4,911 |
| 2006 | 38.3 | 53.3% | 4,911 |
| 2007 | 48 | 64.5% | 4,911 |
| 2008 | 46.8 | 62.7% | 4,911 |
| 2009 | 42.1 | 56.6% | 4,911 |
| 2010 | 49.9 | 67.0% | 4,911 |
| 2011 | 48.6 | 65.2% | 4,716 |
| 2012 | 51.1 | 68.4% | 4,723 |
| 2013 | 49.2 | 66.1% | 4,911 |
| 2014 | 46 | 61.8% | 4,911 |
| 2015 | 46 | 61.8% | 4,911 |
| 2016 | 52 | 69.6% | 4,935 |
| 2017 | 54.2 | 72.8% | 4,935 |
| 2018 | 47.6 | 64.0% | 4,935 |
| 2019 | 52.2 | 70.2% | 4,935 |
| 2020 | 45 | 60.3% | 4,935 |
| 2021 | 37.8 | 50.8% | 4,935 |
| 2022 | 33.3 | 44.7% | 4,935 |
| 2023 | 36.5 | 49.1% | 4,935 |
| 2024 | 28.5 | 38.2% | 4,935 |
| 2025 | 20.6 | 25.7% | 4,935 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1500 | Natural Gas Steam Turbine | ST | 1.5 | 1.2 | Dec 1948 | Operating (Out of service, expected back within the year) | — | coming soon |
| 2000 | Natural Gas Steam Turbine | ST | 2.5 | 2 | Sep 2025 | Operating | — | coming soon |
| 2500 | Natural Gas Steam Turbine | ST | 2.5 | 2.3 | Dec 1948 | Operating | — | coming soon |
| 4000 | Natural Gas Steam Turbine | ST | 6.2 | 5 | Sep 1994 | Operating | — | coming soon |
Owner / operator
Operator: The Amalgamated Sugar Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| The Amalgamated Sugar Co | 100.0% | 13 MW |
Nearby plants
Within 80 km.
| Clif Bar Bakery of Twin Falls | 2 MW | 1.9 km |
| Low Line Rapids | 3 MW | 7.5 km |
| Shoshone Falls | 15 MW | 7.6 km |
| Twin Falls (ID) | 53 MW | 8.9 km |
| South Forks Hydro | 8 MW | 10.9 km |
| Crystal Springs | 2 MW | 11.4 km |