Green Lake
SMC, Sitka, AK 99835Plant Summary Information
Green Lake is ranked #29 out of 125 power plants in Alaska in terms of total annual net electricity generation.
Green Lake is comprised of 2 generators and generated 11.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Green Lake |
|---|---|
| Utility Name | City & Borough of Sitka - (AK) |
| Location | Sitka City and Borough, AK |
| Initial Operation Date | April 1982 |
| Last Update | Dec 2025 |
| Annual Generation | 38.5 GWh |
| Annual Consumption | 146.4 k MMBtu |
| Ranked #4,527 out of 13,081 Power Plants Nationwide | |
| Ranked #533 out of 1,311 Water Power Plants Nationwide | |
| Ranked #29 out of 125 Alaska Power Plants | |
| Ranked #12 out of 32 Alaska Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Green Lake
Monthly Plant Fuel Consumption for Green Lake
Green Lake Details
| Summary Information | |
|---|---|
| Plant Name | Green Lake (313) |
| Plant Address | SMC, Sitka, AK 99835 |
| Utility | City & Borough of Sitka - (AK) (17271) |
| Latitude, Longitude | 56.98628, -135.12275 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | April 1982 |
| Annual Generation | 38.5 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 | |
| Balancing Authority | () |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Green Lake |
| Ash Impoundment | |
| Transmission / Distribution Owner | City & Borough of Sitka - (AK) (17271) AK |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 2 Details Operating October 1982
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 9.3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 9.3 MW |
| Winter Capacity | 9.3 MW |
| Minimum Load | 4 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | October 1982 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Generator 1 Details Operating April 1982
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 9.3 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 9.3 MW |
| Winter Capacity | 9.3 MW |
| Minimum Load | 4 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | April 1982 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
Green Lake 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 |
|---|---|---|---|
| #523 | Cascade Dam (ID) | Cascade, ID | 40.3 GWh |
| #524 | Ozark Beach | Forsyth, MO | 40.3 GWh |
| #525 | Deferiet | Deferiet, NY | 40.2 GWh |
| #526 | Beebee Island Hydro Plant | Watertown, NY | 40.1 GWh |
| #527 | Upriver Dam Hydro Plant | Spokane, WA | 39.9 GWh |
| #528 | City Power Plant | Idaho Falls, ID | 39.6 GWh |
| #529 | Flint River | Albany, GA | 39.5 GWh |
| #530 | Oneida | Riverdale, ID | 39.4 GWh |
| #531 | Amistad Dam & Power | Del Rio, TX | 39.2 GWh |
| #532 | Mcindoes | Barnet, VT | 39.1 GWh |
| #534 | Green Island Hydroelectric Station | Green Island, NY | 38.2 GWh |
| #535 | Terrora | Tallulah Falls, GA | 38.2 GWh |
| #536 | Roza | Yakima, WA | 38.2 GWh |
| #537 | Yough Hydro Power | Confluence, PA | 38.2 GWh |
| #538 | Otis Hydro | Livermore Falls, ME | 38.0 GWh |
| #539 | PHP 1 | Sandy, OR | 37.6 GWh |
| #540 | Fond Du Lac | Duluth, MN | 37.6 GWh |
| #541 | Moose River | Lyons Falls, NY | 37.1 GWh |
| #542 | Foothill | Sylmar, CA | 37.1 GWh |
| #543 | Twin Falls (WI) | Florence, WI | 37.0 GWh |
Nearby Power Plants
Below are closest 15 power plants surrounding Green Lake.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Angoon | Angoon, AK | 1.9 GWh | 40.7 mi |
| Annex Creek | Juneau, AK | 10.3 GWh | 99.4 mi |
| Black Bear Lake | Craig, AK | 22.8 GWh | 129 mi |
| Blue Lake Hydro | Sitka, AK | 80.9 GWh | 6 mi |
| Craig (AK) | Craig, AK | 1.8 GWh | 128.9 mi |
| False Island | Thorne Bay, AK | 2.5 GWh | 128.6 mi |
| Gold Creek | Juneau, AK | 4.6 GWh | 95.2 mi |
| Gustavus | Gustavus, AK | 247.0 MWh | 101.3 mi |
| Hoonah | Hoonah, AK | 4.7 GWh | 78.2 mi |
| Kake | Kake, AK | 1.7 GWh | 45.2 mi |
| Lake Dorothy Hydroelectric Project | Juneau, AK | 81.7 GWh | 94.8 mi |
| Lemon Creek | Juneau, AK | 454.0 MWh | 97.3 mi |
| Pelican | Pelican, AK | 1.7 GWh | 78.5 mi |
| Salmon Creek 1 | Juneau, AK | 30.9 GWh | 95.8 mi |
| Snettisham | Juneau, AK | 285.3 GWh | 94.9 mi |