Cassia Gulch
6035 N 158 E Rd, Hagerman, ID 83301Plant Summary Information
Cassia Gulch is ranked #25 out of 33 wind farms in Idaho in terms of total annual net electricity generation.
Cassia Gulch generated 8.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Cassia Gulch |
|---|---|
| Utility Name | Cassia Gulch Wind Park, LLC |
| Location | Twin Falls County, ID |
| Initial Operation Date | March 2009 |
| Last Update | Dec 2025 |
| Annual Generation | 35.4 GWh |
| Annual Consumption | 133.2 k MMBtu |
| Ranked #4,570 out of 12,613 Power Plants Nationwide | |
| Ranked #1,043 out of 1,374 Wind Power Plants Nationwide | |
| Ranked #81 out of 141 Idaho Power Plants | |
| Ranked #25 out of 33 Idaho Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operator |
Cassia Gulch (2013 to 2015) Cassia Gulch Wind Park, LLC (2016 to 2024) |
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Monthly Net Generation for Cassia Gulch
Monthly Plant Fuel Consumption for Cassia Gulch
Cassia Gulch Details
| Summary Information | |
|---|---|
| Plant Name | Cassia Gulch (56935) |
| Plant Address | 6035 N 158 E Rd, Hagerman, ID 83301 |
| Utility | Cassia Gulch Wind Park, LLC (56157) |
| Latitude, Longitude | 42.8744, -115.0172 |
| Generation Dates on File | Mar 2009 to Dec 2025 |
| Initial Operation Date | March 2009 |
| Annual Generation | 35.4 GWh |
| Fuel Types | Wind |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 05-180-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Idaho Power Company (IPCO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Idaho Power Co (9191) ID |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
Generator 1 Details Operating March 2009
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| Nameplate Capacity | 18.9 MW |
| Summer Capacity | 18.9 MW |
| Winter Capacity | 18.9 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2009 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 9 |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 9 |
|---|---|
| Predominant Turbine Manufacturer | Suzlon |
| Predominant Turbine Model Number | S88-2100 |
| Design Wind Speed | 15.2 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 262.4 |
Cassia Gulch Plant Owners
| Owner Name | Address | 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 Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1033 | Berkshire Wind Power Project | Lanesboro, MA | 41.9 GWh |
| #1034 | Steel Winds II | Lackawanna, NY | 41.3 GWh |
| #1035 | Oregon Trail Wind Park | Hagerman, ID | 40.6 GWh |
| #1036 | Pleasant Hill Wind Energy Project | Lorenzo, TX | 39.9 GWh |
| #1037 | Eva Creek Wind | Healy, AK | 39.7 GWh |
| #1038 | Blue Canyon Windpower | Carnegie, OK | 39.6 GWh |
| #1039 | Bennett Creek Windfarm LLC - Mountain Home | Mountain Home, ID | 36.9 GWh |
| #1040 | Flat Ridge Wind Farm | Nashville, KS | 36.7 GWh |
| #1041 | Iowa Lakes Superior Wind Farm | Superior, IA | 36.0 GWh |
| #1042 | RoxWind | Roxbury, ME | 35.8 GWh |
| #1044 | Two Dot Wind Farm | Two Dot, MT | 34.8 GWh |
| #1045 | Golden Valley Wind Park LLC | Burley, ID | 34.8 GWh |
| #1046 | Lakota Wind Wind Farm | Lakota, IA | 34.7 GWh |
| #1047 | Pilgrim Stage Wind Park | Hagerman, ID | 34.3 GWh |
| #1048 | Thousand Springs Wind Park | Hagerman, ID | 34.1 GWh |
| #1049 | Windom Wind Project | Bingham Lake, MN | 33.4 GWh |
| #1050 | Mountain Home | Mountain Home, ID | 33.1 GWh |
| #1051 | Victory Garden (Tehachapi) | Tehachapi, CA | 33.0 GWh |
| #1052 | Meyersdale Windpower, LLC | Meyersdale, PA | 32.8 GWh |
| #1053 | Hardin Hilltop Wind LLC | Jefferson, IA | 32.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Cassia Gulch.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Big Sky Dairy Digester | Gooding, ID | 8.8 GWh | 11.5 mi |
| Black Mesa Solar, LLC | King Hill, ID | 89.2 GWh | 8.6 mi |
| Bliss (ID) | Bliss, ID | 332.6 GWh | 3.8 mi |
| Camp Reed | Glenns Ferry, ID | 69.4 GWh | 4.6 mi |
| Cassia Wind | Hagerman, ID | 17.8 GWh | 2.3 mi |
| Fossil Gulch | Hagerman, ID | 24.5 GWh | 3.6 mi |
| High Mesa | King Hill, ID | 76.4 GWh | 1.1 mi |
| Koyle Ranch Hydroelectric Project | Gooding, ID | 3.8 GWh | 12.2 mi |
| Lower Malad | Hagerman, ID | 102.0 GWh | 5.7 mi |
| Lower Salmon | Hagerman, ID | 232.0 GWh | 6.2 mi |
| Oregon Trail Wind Park | Hagerman, ID | 40.6 GWh | 2.7 mi |
| Payne's Ferry | Hagerman, ID | 67.8 GWh | 3.4 mi |
| Pilgrim Stage Wind Park | Hagerman, ID | 34.3 GWh | 5.4 mi |
| Thousand Springs Wind Park | Hagerman, ID | 34.1 GWh | 2.5 mi |
| Tuana Gulch Wind Park | Hagerman, ID | 29.3 GWh | 3.6 mi |
| Tuana Springs | Hagerman, ID | 28.2 GWh | 1.3 mi |
| Upper Malad | Hagerman, ID | 58.3 GWh | 6.7 mi |
| Upper Salmon A | Hagerman, ID | 108.0 GWh | 8.8 mi |
| Upper Salmon B | Hagerman, ID | 102.3 GWh | 9.3 mi |
| Yahoo Creek | Hagerman, ID | 68.4 GWh | 7.3 mi |