MWPowerPlantFacts

Data last collected:

EIA plant 6431

Rockport · Whatcom · WA

Gorge

Operated by City of Seattle - (WA)

Annual generation688,958 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextSeattle City LightBalancing authority or NERC region

Published location

Where is Gorge?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

48.698056, -121.208611

Open the interactive map ↗
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

TechnologyConventional Hydroelectric207.3 MW represented

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.

165,651
231,459
363,120
463,152
555,350
653,478
752,816
853,525
960,989
1063,916
1160,951
1264,551

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
Electricity output across the year — MWh net generation
RecordMWh net generation
165,651
231,459
363,120
463,152
555,350
653,478
752,816
853,525
960,989
1063,916
1160,951
1264,551

2024 monthly net generation

MonthNet generation
165,651 MWh
231,459 MWh
363,120 MWh
463,152 MWh
555,350 MWh
653,478 MWh
752,816 MWh
853,525 MWh
960,989 MWh
1063,916 MWh
1160,951 MWh
1264,551 MWh

Operating generators

IDTechnologyFuelMWStatus
24Conventional HydroelectricWAT96.9OP
21Conventional HydroelectricWAT36.8OP
22Conventional HydroelectricWAT36.8OP
23Conventional HydroelectricWAT36.8OP

Continue exploring

Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
6431
Sector
Electric Utility
Water source
Skagit 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 Gorge 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 Gorge

Variation in the published months

Across 12 numeric monthly generation entries, 1 has the highest recorded value (65,651 MWh) and 2 the lowest (31,459 MWh). Their difference is 34,192 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 4 numeric rows displayed in this table, MW ranges from 36.8 (21, 22, 23) to 96.9 (24). The difference is 60.1 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 IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
21Conventional Hydroelectric36.832.032.01.0
22Conventional Hydroelectric36.832.032.01.0
23Conventional Hydroelectric36.832.032.030.0
24Conventional Hydroelectric96.997.097.01.0

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.

Power plant research

Before you decide, check these points against the current source.

Things to check