Alta Wind Energy Center II
14047 90th Street West, Mojave, CA 93501Plant Summary Information
Alta Wind Energy Center II is ranked #12 out of 110 wind farms in California in terms of total annual net electricity generation.
Alta Wind Energy Center II generated 39.0 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Alta Wind Energy Center II |
|---|---|
| Utility Name | Alta Wind II, LLC |
| Location | Kern County, CA |
| Initial Operation Date | January 2011 |
| Last Update | Dec 2025 |
| Annual Generation | 318.3 GWh |
| Annual Consumption | 1.1 M MMBtu |
| Ranked #1,987 out of 13,301 Power Plants Nationwide | |
| Ranked #597 out of 1,377 Wind Power Plants Nationwide | |
| Ranked #164 out of 1,641 California Power Plants | |
| Ranked #12 out of 110 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 II (2021 to 2023) Alta Wind II, LLC (2024 to 2025) |
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Monthly Net Generation for Alta Wind Energy Center II
Monthly Plant Fuel Consumption for Alta Wind Energy Center II
Alta Wind Energy Center II Details
| Summary Information | |
|---|---|
| Plant Name | Alta Wind Energy Center II (57291) |
| Plant Address | 14047 90th Street West, Mojave, CA 93501 |
| Utility | Alta Wind II, LLC (64620) |
| Latitude, Longitude | 35.02389, -118.29528 |
| Generation Dates on File | Jan 2011 to Dec 2025 |
| Initial Operation Date | January 2011 |
| Annual Generation | 318.3 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 | 10-44-000 |
| 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 AW02 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 | 50 |
| Turbine Details | |
| Number Of Turbines | 50 |
|---|---|
| Predominant Turbine Manufacturer | Vestas |
| Predominant Turbine Model Number | V90-3.0 |
| Design Wind Speed | 22.4 MPH |
| Wind Quality Class | 1 - High Wind |
| Turbine Hub Height Feet | 262 |
Alta Wind Energy Center II 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 |
|---|---|---|---|
| #587 | Inadale Wind Farm LLC Hybrid | Roscoe, TX | 321.2 GWh |
| #588 | Voyager Wind I | Mojave, CA | 322.0 GWh |
| #589 | Rosewater Wind Farm | Chalmers, IN | 321.9 GWh |
| #590 | Rocky Ridge Wind Project | Hobart, OK | 321.7 GWh |
| #591 | TransAlta Wyoming Wind | Evanston, WY | 321.4 GWh |
| #592 | Paulding Wind Farm III | Payne, OH | 321.2 GWh |
| #593 | Settlers Trail Wind Farm LLC | Sheldon, IL | 320.4 GWh |
| #594 | Vansycle II Wind Energy Center | Athena, OR | 320.1 GWh |
| #595 | Sand Bluff Wind Farm | Big Spring, TX | 319.7 GWh |
| #596 | Little Elk Wind Project LLC | Cordell, OK | 318.6 GWh |
| #598 | Alta Wind Energy Center III | Mojave, CA | 318.3 GWh |
| #599 | Blue Sky Green Field Wind Project | Fond du Lac, WI | 315.7 GWh |
| #600 | Paulding Wind Farm II | Payne, OH | 315.6 GWh |
| #601 | High Lonesome Mesa LLC | Willard, NM | 313.4 GWh |
| #602 | GSG LLC | West Brooklyn, IL | 312.3 GWh |
| #603 | Post Wind Farm LP | Fluvanna, TX | 311.8 GWh |
| #604 | Bluestone Wind, LLC | Sanford, NY | 309.8 GWh |
| #605 | Black Oak Wind Farm | Sauk Centre, MN | 309.0 GWh |
| #606 | Bennington Wind | Minonk, IL | 308.4 GWh |
| #607 | Mehoopany Wind Energy LLC | Noxen, PA | 307.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Alta Wind Energy Center II.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Wind Energy Center I | Mojave, CA | 399.8 GWh | 3.4 mi |
| Alta Wind Energy Center III | Mojave, CA | 318.3 GWh | 0 mi |
| Alta Wind Energy Center IV | Mojave, CA | 167.5 GWh | 3.2 mi |
| Alta Wind Energy Center V | Mojave, CA | 253.7 GWh | 3.2 mi |
| Alta Wind VIII | Mojave, CA | 219.2 GWh | 3.4 mi |
| Brookfield Tehachapi 1 | Mojave, CA | 164.5 GWh | 3.2 mi |
| CalPortland Company Mojave Wind | Mojave, CA | 24.4 GWh | 2.7 mi |
| Coram Energy LLC (4.5MW) | Tehachapi, CA | 9.0 GWh | 2.5 mi |
| Mojave 16/17/18 | Mojave, CA | 66.3 GWh | 2.3 mi |
| Mojave 3/4/5 | Mojave, CA | 125.0 GWh | 2.8 mi |
| Mustang Hills LLC | Mojave, CA | 267.1 GWh | 0.5 mi |
| Oak Creek Energy Systems I | Mojave, CA | 57.3 GWh | 1.7 mi |
| Oasis Alta | Mojave, CA | 49.3 GWh | 2.4 mi |
| Oasis Wind | Mojave, CA | 221.1 GWh | 2.6 mi |
| Ridgetop Energy LLC | Mojave, CA | 24.5 GWh | 3.4 mi |
| SEPV Mojave West | Mojave, CA | 52.7 GWh | 0.7 mi |
| TPC Windfarms LLC | Mojave, CA | 42.1 GWh | 2.8 mi |
| Voyager Wind I | Mojave, CA | 322.0 GWh | 1.7 mi |
| Voyager Wind III | Mojave, CA | 113.7 GWh | 3.1 mi |
| Windhub Solar A LLC | Mojave, CA | 48.0 GWh | 0.5 mi |