Gorge
500 Newhalem Street, Rockport, WA 98283Plant Summary Information
Gorge is ranked #27 out of 131 power plants in Washington in terms of total annual net electricity generation.
Gorge is comprised of 4 generators and generated 178.1 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Gorge |
|---|---|
| Utility Name | City of Seattle - (WA) |
| Location | Whatcom County, WA |
| Initial Operation Date | September 1924 |
| Last Update | Mar 2025 |
| Annual Generation | 706.9 GWh |
| Annual Consumption | 2.6 M MMBtu |
| Ranked #993 out of 12,288 Power Plants Nationwide | |
| Ranked #59 out of 1,323 Water Power Plants Nationwide | |
| Ranked #27 out of 131 Washington Power Plants | |
| Ranked #14 out of 68 Washington Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Gorge
Gorge Details
| Summary Information | |
|---|---|
| Plant Name | Gorge (6431) |
| Plant Address | 500 Newhalem Street, Rockport, WA 98283 |
| Utility | City of Seattle - (WA) (16868) |
| Latitude, Longitude | 48.69806, -121.20861 |
| Generation Dates on File | Jan 2001 to Mar 2025 |
| Initial Operation Date | September 1924 |
| Annual Generation | 706.9 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | Seattle City Light (SCL) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Skagit River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Seattle - (WA) (16868) WA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 21 Details Operating September 1924
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | GORGE_2_GEN21GNODE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | GORGE_2_GEN21GNODE |
| Nameplate Capacity | 36.8 MW |
| Nameplate Power Factor | 0.97 |
| Summer Capacity | 32 MW |
| Winter Capacity | 32 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1924 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | Yes |
| Other Modifications | March 2030 |
| Multiple Fuels | No |
Generator 22 Details Operating September 1924
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | GORGE_2_GEN22GNODE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | GORGE_2_GEN22GNODE |
| Nameplate Capacity | 36.8 MW |
| Nameplate Power Factor | 0.97 |
| Summer Capacity | 32 MW |
| Winter Capacity | 32 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 1924 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | Yes |
| Other Modifications | August 2032 |
| Multiple Fuels | No |
Generator 23 Details Operating May 1929
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | GORGE_2_GEN23GNODE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | GORGE_2_GEN23GNODE |
| Nameplate Capacity | 36.8 MW |
| Nameplate Power Factor | 0.97 |
| Summer Capacity | 32 MW |
| Winter Capacity | 32 MW |
| Minimum Load | 30 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 1929 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | Yes |
| Other Modifications | March 2033 |
| Multiple Fuels | No |
Generator 24 Details Operating June 1951
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | GORGE_2_GEN24GNODE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | GORGE_2_GEN24GNODE |
| Nameplate Capacity | 96.9 MW |
| Nameplate Power Factor | 0.97 |
| Summer Capacity | 97 MW |
| Winter Capacity | 97 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 1951 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Other Planned Modifications | Yes |
| Other Modifications | August 2035 |
| Multiple Fuels | No |
Gorge Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #49 | Mossyrock | Silver Creek, WA | 798.5 GWh |
| #50 | Yellowtail | Hardin, MT | 798.4 GWh |
| #51 | Round Butte | Madras, OR | 794.4 GWh |
| #52 | Fort Peck | Fort Peck, MT | 751.6 GWh |
| #53 | Devil Canyon | San Bernardino, CA | 750.0 GWh |
| #54 | Palisades Dam | Palisades, ID | 744.4 GWh |
| #55 | Fort Loudoun | Lenoir City, TN | 732.1 GWh |
| #56 | Hungry Horse | Columbia Falls, MT | 730.3 GWh |
| #57 | Wolf Creek | Jamestown, KY | 723.8 GWh |
| #58 | Gavins Point | Crofton, NE | 712.6 GWh |
| #60 | Chickamauga | Chattanooga, TN | 688.9 GWh |
| #61 | J Strom Thurmond | Clarks Hill, SC | 650.7 GWh |
| #62 | Bull Shoals | Mountain Home, AR | 647.3 GWh |
| #63 | Rock Creek | Storrie, CA | 609.1 GWh |
| #64 | Barkley | Kuttawa, KY | 590.6 GWh |
| #65 | Big Creek 3 | Auberry, CA | 586.5 GWh |
| #66 | Folsom | Folsom, CA | 580.4 GWh |
| #67 | Mayfield | Silver Creek, WA | 576.4 GWh |
| #68 | Great Lakes Hydro America - ME | Millinocket, ME | 570.9 GWh |
| #69 | Calderwood | Tallassee, TN | 549.2 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Gorge.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Arlington Microgrid | Arlington, WA | 532.0 MWh | 57.1 mi |
| Calligan Creek Hydroelectric Project | Snoqualmie, WA | 17.2 GWh | 79 mi |
| Darrington | Darrington, WA | 17.0 GWh | 34.6 mi |
| Diablo | Rockport, WA | 361.4 GWh | 3.7 mi |
| Encogen | Bellingham, WA | 528.9 GWh | 58.3 mi |
| Ferndale Generating Station | Ferndale, WA | 1.7 TWh | 67.9 mi |
| Fredonia | Mt Vernon, WA | 311.0 GWh | 58.5 mi |
| H M Jackson | Sultan, WA | 365.7 GWh | 61.3 mi |
| HF Sinclair Puget Sound Refining | Anacortes, WA | 1.0 TWh | 63.7 mi |
| Koma Kulshan | Concrete, WA | 24.8 GWh | 23.5 mi |
| Lower Baker | Concrete, WA | 326.7 GWh | 26.4 mi |
| Nooksack Hydro | Glacier, WA | 20.1 GWh | 31.1 mi |
| Ross | Rockport, WA | 405.6 GWh | 6.8 mi |
| Sierra Pacific Burlington Facility | Mt Vernon, WA | 151.4 GWh | 58.6 mi |
| South Fork Tolt | North Bend, WA | 44.6 GWh | 73.9 mi |
| Sumas Power Plant | Sumas, WA | 834.9 GWh | 52.5 mi |
| Upper Baker | Concrete, WA | 317.8 GWh | 22.3 mi |
| Wells | Chelan, WA | 3.6 TWh | 80.6 mi |
| Whitehorn | Blaine, WA | 230.3 GWh | 71.4 mi |
| Youngs Creek Hydroelectric Project | Monroe, WA | 18.7 GWh | 68.3 mi |