Hydro III
Hydro power plant in Cache County, Utah. 1.4 MW of nameplate capacity across 2 generators, operated by City of Logan - (UT).
Also known as EIA plant 3675
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.4 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1925First generator online
- Operator
- City of Logan - (UT)EIA operator ID 11135
- Grid
- PACEBalancing authority PACE
- Price nodes
- None linkedNo verified ISO node
- Location
- Cache County, UT41.7464, −111.7460
- EIA plant ID
- 3675EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Hydro III produces
Free · EIA-923Net generation, 2025
−42.0 GWh
−42,011 MWh, final
Capacity factor, 2025
-342.6%
2024: -0.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
−42.0–6.0
GWh a year. Low 2025, high 2017
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 1,139 | Not reported | 12 of 12 |
| 2002 | 2,429 | Not reported | 12 of 12 |
| 2003 | 3,747 | Not reported | 12 of 12 |
| 2004 | 4,174 | Not reported | 12 of 12 |
| 2005 | 5,975 | Not reported | 12 of 12 |
| 2006 | 6,397 | Not reported | 12 of 12 |
| 2007 | 4,395 | Not reported | 12 of 12 |
| 2008 | 4,425 | Not reported | 12 of 12 |
| 2009 | 5,375 | Not reported | 12 of 12 |
| 2010 | 4,489 | 34.2% | 12 of 12 |
| 2011 | 6,572 | 50.0% | 12 of 12 |
| 2012 | 4,592 | 34.9% | 12 of 12 |
| 2013 | 2,707 | Not reported | 12 of 12 |
| 2014 | 4,736 | 38.6% | 12 of 12 |
| 2015 | 5,000 | 40.8% | 12 of 12 |
| 2016 | 5,108 | 41.5% | 12 of 12 |
| 2017 | 6,049 | 49.3% | 12 of 12 |
| 2018 | 3,414 | 27.8% | 12 of 12 |
| 2019 | 3,673 | 29.9% | 12 of 12 |
| 2020 | 295 | 2.4% | 12 of 12 |
| 2021 | −57 | -0.5% | 12 of 12 |
| 2022 | −91 | -0.7% | 12 of 12 |
| 2023 | −72 | -0.6% | 12 of 12 |
| 2024 | −70 | -0.6% | 12 of 12 |
| 2025 | −42,011 | -342.6% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 |
|---|---|---|---|
| HY1 | Conventional Hydroelectric | 0.7 | December 1925 |
| HY2 | Conventional Hydroelectric | 0.7 | December 1925 |
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 City of Logan - (UT) 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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Power plants near Hydro III
More plants operated by City of Logan - (UT)
Questions about Hydro III
How much power does Hydro III produce?
Hydro III reported −42,011 MWh (−42.0 GWh) of net generation in 2025.
Where is Hydro III?
Hydro III is in Cache County, Utah, at 41.7464, −111.7460. It is in the PacifiCorp - East balancing area (PACE).
Who operates Hydro III?
EIA-860M for August 2026 lists City of Logan - (UT) as the operator (EIA operator ID 11135). The operator is not always the owner.
When did Hydro III start operating?
Its first generator began operating in December 1925, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page