Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/371
EIA plant 371
Richland · Benton · WA
Columbia Generating Station
Operated by Energy Northwest
Published location
Where is Columbia Generating Station?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
46.471100, -119.333900
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 WA 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.
1858,425
2802,499
3841,434
4825,823
5846,368
6805,756
7833,135
8841,568
9797,036
10853,088
11821,616
12840,391
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 | 858,425 |
| 2 | 802,499 |
| 3 | 841,434 |
| 4 | 825,823 |
| 5 | 846,368 |
| 6 | 805,756 |
| 7 | 833,135 |
| 8 | 841,568 |
| 9 | 797,036 |
| 10 | 853,088 |
| 11 | 821,616 |
| 12 | 840,391 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 858,425 MWh |
| 2 | 802,499 MWh |
| 3 | 841,434 MWh |
| 4 | 825,823 MWh |
| 5 | 846,368 MWh |
| 6 | 805,756 MWh |
| 7 | 833,135 MWh |
| 8 | 841,568 MWh |
| 9 | 797,036 MWh |
| 10 | 853,088 MWh |
| 11 | 821,616 MWh |
| 12 | 840,391 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 2 | Nuclear | NUC | 1,200 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
371
Sector
Electric Utility
Water source
Columbia 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 Columbia Generating Station 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 Columbia Generating Station
Variation in the published months
Across 12 numeric monthly generation entries, 1 has the highest recorded value (858,425 MWh) and 9 the lowest (797,036 MWh). Their difference is 61,389 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 |
|---|---|---|---|---|---|
| 2 | Nuclear | 1200.0 | 1151.0 | 1172.0 | 120.0 |
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.