Garland Canal Power Plant
Hydro power plant in Park County, Wyoming. 2.9 MW of nameplate capacity across 1 generator, operated by Shoshone Irrigation District.
Also known as EIA plant 57551
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 2.9 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 1983First generator online
- Operator
- Shoshone Irrigation DistrictEIA operator ID 56880
- Grid
- PACEBalancing authority PACE
- Price nodes
- 1 SPP nodeResource nodes with prices
- Location
- Park County, WY44.7264, −108.8644
- EIA plant ID
- 57551EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Garland Canal produces
Free · EIA-923Net generation, 2025
8.82 GWh
8,824 MWh, final
Capacity factor, 2025
34.7%
2024: 39.4%
January to July 2026
6.11 GWh
Provisional
Range, 2015 to 2025
7.6–10.1
GWh a year. Low 2017, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | 9,712 | 38.2% | 12 of 12 |
| 2011 | 9,572 | 37.7% | 12 of 12 |
| 2012 | 10,184 | 40.0% | 12 of 12 |
| 2013 | 9,586 | 37.7% | 12 of 12 |
| 2014 | 9,192 | 36.2% | 12 of 12 |
| 2015 | 9,908 | 39.0% | 12 of 12 |
| 2016 | 9,584 | 37.6% | 12 of 12 |
| 2017 | 7,634 | 30.0% | 12 of 12 |
| 2018 | 9,193 | 36.2% | 12 of 12 |
| 2019 | 7,906 | 31.1% | 12 of 12 |
| 2020 | 10,135 | 39.8% | 12 of 12 |
| 2021 | 9,080 | 35.7% | 12 of 12 |
| 2022 | 10,003 | 39.4% | 12 of 12 |
| 2023 | 9,225 | 36.3% | 12 of 12 |
| 2024 | 10,030 | 39.4% | 12 of 12 |
| 2025 | 8,824 | 34.7% | 12 of 12 |
| 2026 (provisional, partial year) | 6,114 | 41.4% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · SPPEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| MAIN | Conventional Hydroelectric | 2.9 | September 1983 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Shoshone Irrigation District as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Questions about Garland Canal
How much power does Garland Canal Power Plant produce?
Garland Canal Power Plant reported 8,824 MWh (8.82 GWh) of net generation in 2025, a 34.7% capacity factor on 2.9 MW of nameplate capacity. From January to July 2026 it reported 6.11 GWh, which is provisional.
Where is Garland Canal Power Plant?
Garland Canal Power Plant is in Park County, Wyoming, at 44.7264, −108.8644. It is in the PacifiCorp - East balancing area (PACE).
Who operates Garland Canal Power Plant?
EIA-860M for August 2026 lists Shoshone Irrigation District as the operator (EIA operator ID 56880). The operator is not always the owner.
When did Garland Canal Power Plant start operating?
Its first generator began operating in September 1983, according to EIA-860M.
Does InfraMap have power prices for Garland Canal Power Plant?
Yes. InfraMap has SPP day-ahead and real-time prices at 1 price node linked to Garland Canal Power Plant, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page