Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/3013
EIA plant 3013
Oxbow · Wallowa · OR
Hells Canyon
Operated by Idaho Power Co
Published location
Where is Hells Canyon?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
45.243900, -116.700800
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 OR 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.
1145,432
2177,300
3206,016
4251,689
5269,258
6170,870
7143,051
8126,059
9115,797
10107,560
1195,566
12116,912
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 | 145,432 |
| 2 | 177,300 |
| 3 | 206,016 |
| 4 | 251,689 |
| 5 | 269,258 |
| 6 | 170,870 |
| 7 | 143,051 |
| 8 | 126,059 |
| 9 | 115,797 |
| 10 | 107,560 |
| 11 | 95,566 |
| 12 | 116,912 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 145,432 MWh |
| 2 | 177,300 MWh |
| 3 | 206,016 MWh |
| 4 | 251,689 MWh |
| 5 | 269,258 MWh |
| 6 | 170,870 MWh |
| 7 | 143,051 MWh |
| 8 | 126,059 MWh |
| 9 | 115,797 MWh |
| 10 | 107,560 MWh |
| 11 | 95,566 MWh |
| 12 | 116,912 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 3 | Conventional Hydroelectric | WAT | 150.1 | OP |
| 1 | Conventional Hydroelectric | WAT | 130.5 | OP |
| 2 | Conventional Hydroelectric | WAT | 130.5 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
3013
Sector
Electric Utility
Water source
Snake 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 Hells Canyon 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 Hells Canyon
Variation in the published months
Across 12 numeric monthly generation entries, 5 has the highest recorded value (269,258 MWh) and 11 the lowest (95,566 MWh). Their difference is 173,692 MWh. Missing months have not been treated as zero.
Reading the MW column
In the 3 numeric rows displayed in this table, MW ranges from 130.5 (1, 2) to 150.1 (3). The difference is 19.6 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.
Generator capacity in different operating conditions
| Generator ID | Technology | Nameplate MW | Summer MW | Winter MW | Minimum load MW |
|---|---|---|---|---|---|
| 1 | Conventional Hydroelectric | 130.5 | 142.69 | 147.26 | 0.0 |
| 2 | Conventional Hydroelectric | 130.5 | 144.65 | 148.39 | 0.0 |
| 3 | Conventional Hydroelectric | 150.1 | 149.66 | 146.89 | 0.0 |
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.