Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/57401
EIA plant 57401
Willow Island · Pleasants · WV
Willow Island Hydroelectric Plant
Operated by American Mun Power-Ohio, Inc
Published location
Where is Willow Island Hydroelectric Plant?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.357760, -81.317950
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Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
Equipment mix
Operating capacity by technology
Grouped from this plant’s represented generator records. Use the WV plant index for regional peers.
See the evidence
Electricity output across the year
Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.
115,172
221,119
320,991
49,945
526,129
613,399
79,657
812,485
97,444
107,887
1113,426
1224,825
MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.
Read the chart as a table
| Record | MWh net generation |
|---|---|
| 1 | 15,172 |
| 2 | 21,119 |
| 3 | 20,991 |
| 4 | 9,945 |
| 5 | 26,129 |
| 6 | 13,399 |
| 7 | 9,657 |
| 8 | 12,485 |
| 9 | 7,444 |
| 10 | 7,887 |
| 11 | 13,426 |
| 12 | 24,825 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 15,172 MWh |
| 2 | 21,119 MWh |
| 3 | 20,991 MWh |
| 4 | 9,945 MWh |
| 5 | 26,129 MWh |
| 6 | 13,399 MWh |
| 7 | 9,657 MWh |
| 8 | 12,485 MWh |
| 9 | 7,444 MWh |
| 10 | 7,887 MWh |
| 11 | 13,426 MWh |
| 12 | 24,825 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| WIG1 | Conventional Hydroelectric | WAT | 22 | OP |
| WIG2 | Conventional Hydroelectric | WAT | 22 | OP |
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Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
57401
Sector
Electric Utility
Water source
Ohio River
Data edition
2024-final
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right Willow Island Hydroelectric Plant power plant: capacity and generation | PowerPlantFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at Willow Island Hydroelectric Plant
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (26,129 MWh) and 9 the lowest (7,444 MWh). Their difference is 18,685 MWh. Missing months have not been treated as zero.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| WIG1 | Conventional Hydroelectric | 22.0 | 22.0 | 22.0 | 1.0 |
| WIG2 | Conventional Hydroelectric | 22.0 | 22.0 | 22.0 | 1.0 |
EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.
Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.