MWPowerPlantFacts

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EIA plant 6202

Rockport · Whatcom · WA

Ross

Operated by City of Seattle - (WA)

Annual generation410,106 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextSeattle City LightBalancing authority or NERC region

Published location

Where is Ross?

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

48.732577, -121.067880

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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

TechnologyConventional Hydroelectric450 MW represented

Grouped from this plant’s represented generator records. Use the WA plant index for regional peers.

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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.

143,256
231,175
344,222
444,335
529,053
617,065
719,043
828,123
938,895
1037,500
1141,834
1235,605

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
143,256
231,175
344,222
444,335
529,053
617,065
719,043
828,123
938,895
1037,500
1141,834
1235,605

2024 monthly net generation

MonthNet generation
143,256 MWh
231,175 MWh
344,222 MWh
444,335 MWh
529,053 MWh
617,065 MWh
719,043 MWh
828,123 MWh
938,895 MWh
1037,500 MWh
1141,834 MWh
1235,605 MWh

Operating generators

IDTechnologyFuelMWStatus
41Conventional HydroelectricWAT112.5OP
42Conventional HydroelectricWAT112.5OP
43Conventional HydroelectricWAT112.5OP
44Conventional HydroelectricWAT112.5OP

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Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
6202
Sector
Electric Utility
Water source
Skagit River
Data edition
2024-final

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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 Ross power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

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03What should I verify next?

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A closer look at Ross

Variation in the published months

Across 12 numeric monthly generation entries, 4 has the highest recorded value (44,335 MWh) and 6 the lowest (17,065 MWh). Their difference is 27,270 MWh. Missing months have not been treated as zero.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
41Conventional Hydroelectric112.5112.5112.51.0
42Conventional Hydroelectric112.5112.5112.51.0
43Conventional Hydroelectric112.5112.5112.51.0
44Conventional Hydroelectric112.5112.5112.51.0

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.

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