Data last collected:
PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/3914
EIA plant 3914
Shelton · Mason · WA
Cushman 1
Operated by City of Tacoma - (WA)
Published location
Where is Cushman 1?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
47.418100, -123.225200
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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 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.
120,020
29,813
38,739
46,951
55,409
63,272
71,595
81,570
912,228
1010,889
1116,576
1222,985
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 | 20,020 |
| 2 | 9,813 |
| 3 | 8,739 |
| 4 | 6,951 |
| 5 | 5,409 |
| 6 | 3,272 |
| 7 | 1,595 |
| 8 | 1,570 |
| 9 | 12,228 |
| 10 | 10,889 |
| 11 | 16,576 |
| 12 | 22,985 |
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 20,020 MWh |
| 2 | 9,813 MWh |
| 3 | 8,739 MWh |
| 4 | 6,951 MWh |
| 5 | 5,409 MWh |
| 6 | 3,272 MWh |
| 7 | 1,595 MWh |
| 8 | 1,570 MWh |
| 9 | 12,228 MWh |
| 10 | 10,889 MWh |
| 11 | 16,576 MWh |
| 12 | 22,985 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| 21 | Conventional Hydroelectric | WAT | 21.6 | OP |
| 22 | Conventional Hydroelectric | WAT | 21.6 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
3914
Sector
Electric Utility
Water source
North Fork Skokomish 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 Cushman 1 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 Cushman 1
Variation in the published months
Across 12 numeric monthly generation entries, 12 has the highest recorded value (22,985 MWh) and 8 the lowest (1,570 MWh). Their difference is 21,415 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 |
|---|---|---|---|---|---|
| 21 | Conventional Hydroelectric | 21.6 | 26.7 | 19.0 | 1.0 |
| 22 | Conventional Hydroelectric | 21.6 | 26.7 | 19.0 | 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.