Alta Wind Energy Center I
15100 Tehachapi Willow Springs, Mojave, CA 93501Plant Summary Information
Alta Wind Energy Center I is ranked #6 out of 108 wind farms in California in terms of total annual net electricity generation.
Alta Wind Energy Center I generated 60.5 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Alta Wind Energy Center I |
|---|---|
| Utility Name | Alta Wind I, LLC |
| Location | Kern County, CA |
| Initial Operation Date | January 2011 |
| Last Update | Dec 2025 |
| Annual Generation | 399.8 GWh |
| Annual Consumption | 1.4 M MMBtu |
| Ranked #1,639 out of 13,094 Power Plants Nationwide | |
| Ranked #474 out of 1,369 Wind Power Plants Nationwide | |
| Ranked #113 out of 1,607 California Power Plants | |
| Ranked #6 out of 108 California Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operators |
Terra-Gen Operating Co LLC (2013 to 2016) NRG Yield LLC (2017 to 2020) Alta Wind Energy Center I (2021 to 2023) Alta Wind I, LLC (2024 to 2025) |
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Monthly Net Generation for Alta Wind Energy Center I
Monthly Plant Fuel Consumption for Alta Wind Energy Center I
Alta Wind Energy Center I Details
| Summary Information | |
|---|---|
| Plant Name | Alta Wind Energy Center I (57282) |
| Plant Address | 15100 Tehachapi Willow Springs, Mojave, CA 93501 |
| Utility | Alta Wind I, LLC (64618) |
| Latitude, Longitude | 35.03373, -118.35342 |
| Generation Dates on File | Jan 2011 to Dec 2025 |
| Initial Operation Date | January 2011 |
| Annual Generation | 399.8 GWh |
| Fuel Types | Wind |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | Yes |
| FERC Exempt Wholesale Generator Docket Number | 10-43-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Southern California Edison Co (17609) CA |
| Grid Voltage | 220.00 kV |
| Energy Storage | No |
Generator AW01 Details Operating January 2011
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 150 MW |
| Summer Capacity | 150 MW |
| Winter Capacity | 150 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | January 2011 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Turbines/Hydrokinetic Buoys | 100 |
| Turbine Details | |
| Number Of Turbines | 100 |
|---|---|
| Predominant Turbine Manufacturer | GE |
| Predominant Turbine Model Number | 1.5 SLE |
| Design Wind Speed | 22.4 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 262 |
Alta Wind Energy Center I Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| NRG Renew | 4900 N Scottsdale Road, Scottsdale, AZ 85251 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #464 | Whispering Willow Wind Farm - East | Iowa Falls, IA | 404.6 GWh |
| #465 | Salt Creek Wind | Traer, IA | 403.4 GWh |
| #466 | Roundhouse Renewable Energy II | Granite, WY | 402.2 GWh |
| #467 | Ocotillo Express LLC | Ocotillo, CA | 402.1 GWh |
| #468 | Timber Road IV | Payne, OH | 401.9 GWh |
| #469 | Lakefield Wind Project LLC | Lakefield, MN | 401.8 GWh |
| #470 | Rattlesnake Flat | Ritzville, WA | 401.6 GWh |
| #471 | Ensign Wind LLC | Montezuma, KS | 400.0 GWh |
| #472 | Shiloh I Wind Project | Rio Vista, CA | 400.0 GWh |
| #473 | White Oak Energy LLC | Carlock, IL | 399.9 GWh |
| #475 | Los Vientos Wind 1A | Sebastian, TX | 397.0 GWh |
| #476 | Midway Wind, LLC | Taft, TX | 396.8 GWh |
| #477 | Clearwater Wind II | Miles City, MT | 396.5 GWh |
| #478 | Keechi Wind | Jacksboro, TX | 394.9 GWh |
| #479 | Senate Wind LLC | Bryson, TX | 393.7 GWh |
| #480 | Willow Creek Wind Power LLC | Newell, SD | 393.4 GWh |
| #481 | Crossroads Wind Farm | Canton, OK | 392.2 GWh |
| #482 | White Rock West Wind Project | Anadarko, OK | 389.4 GWh |
| #483 | Crossing Trails Wind Power Project LLC. | Seibert, CO | 389.2 GWh |
| #484 | Black Rock Wind | Elk Garden, WV | 387.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Alta Wind Energy Center I.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Wind Energy Center II | Mojave, CA | 318.3 GWh | 3.4 mi |
| Alta Wind Energy Center III | Mojave, CA | 318.3 GWh | 3.4 mi |
| Alta Wind XI | Mojave, CA | 250.6 GWh | 3 mi |
| Cameron Ridge LLC | Mojave, CA | 148.0 GWh | 3.6 mi |
| Coram Energy LLC | Tehachapi, CA | 8.8 GWh | 2.9 mi |
| Coram Energy LLC (4.5MW) | Tehachapi, CA | 9.0 GWh | 3.1 mi |
| Coram Energy LLC (ECT) | Tehachapi, CA | 21.6 GWh | 1.8 mi |
| Mustang Hills LLC | Mojave, CA | 267.1 GWh | 3.4 mi |
| Oasis Alta | Mojave, CA | 49.3 GWh | 3.9 mi |
| Oasis Wind | Mojave, CA | 221.1 GWh | 3.9 mi |
| Point Wind | Tehachapi, CA | 218.9 GWh | 3.3 mi |
| Ridgetop | Mojave, CA | 117.6 GWh | 3.5 mi |
| Ridgetop Energy LLC | Mojave, CA | 24.5 GWh | 3.2 mi |
| SEPV Mojave West | Mojave, CA | 52.7 GWh | 4.1 mi |
| Tehachapi Wind Resource I | Tehachapi, CA | 12.3 GWh | 2.8 mi |
| Victory Garden (Tehachapi) | Tehachapi, CA | 33.0 GWh | 2.9 mi |
| Voyager Wind I | Mojave, CA | 345.6 GWh | 4.1 mi |
| Windhub Solar A LLC | Mojave, CA | 48.0 GWh | 3.8 mi |
| Windstar 1 | Tehachapi, CA | 255.0 GWh | 1.4 mi |
| ZCO | Tehachapi, CA | 1.4 GWh | 3.4 mi |