Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/58982
EIA plant 58982
Valdez · Valdez Cordova · AK
Allison Creek Hydro
Operated by Copper Valley Elec Assn, Inc
Published location
Where is Allison Creek Hydro?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
61.084444, -146.353333
Open the interactive map ↗Map data © OpenStreetMap contributors
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 AK 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.
1-34
2-35
3-31
4-25
51,740
63,864
74,892
84,142
93,255
10787
1111
12-31
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 | -34 |
| 2 | -35 |
| 3 | -31 |
| 4 | -25 |
| 5 | 1,740 |
| 6 | 3,864 |
| 7 | 4,892 |
| 8 | 4,142 |
| 9 | 3,255 |
| 10 | 787 |
| 11 | 11 |
| 12 | -31 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | -34 MWh |
| 2 | -35 MWh |
| 3 | -31 MWh |
| 4 | -25 MWh |
| 5 | 1,740 MWh |
| 6 | 3,864 MWh |
| 7 | 4,892 MWh |
| 8 | 4,142 MWh |
| 9 | 3,255 MWh |
| 10 | 787 MWh |
| 11 | 11 MWh |
| 12 | -31 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | WAT | 6.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
58982
Sector
Electric Utility
Water source
Allison Creek
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 Allison Creek Hydro 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 Allison Creek Hydro
Variation in the published months
Across 7 numeric monthly generation entries, 7 has the highest recorded value (4,892 MWh) and 11 the lowest (11 MWh). Their difference is 4,881 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 |
|---|---|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 6.5 | 6.5 | 6.5 | 0.3 |
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.