Red Rock Hydro Plant
1004 216th Place, Pella, IA 50219Plant Summary Information
Red Rock Hydro Plant is ranked #2 out of 4 hydroelectric power plants in Iowa in terms of total annual net electricity generation.
Red Rock Hydro Plant is comprised of 2 generators and generated 22.4 GWh during the 3-month period between August 2025 to November 2025.
| Plant Name | Red Rock Hydro Plant |
|---|---|
| Utility Name | Western Minnesota Mun Pwr Agny |
| Location | Marion County, IA |
| Initial Operation Date | May 2021 |
| Last Update | Nov 2025 |
| Annual Generation | 175.1 GWh |
| Annual Consumption | 603.5 k MMBtu |
| Ranked #2,672 out of 12,574 Power Plants Nationwide | |
| Ranked #241 out of 1,331 Water Power Plants Nationwide | |
| Ranked #87 out of 280 Iowa Power Plants | |
| Ranked #2 out of 4 Iowa Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Red Rock Hydro Plant
Red Rock Hydro Plant Details
| Summary Information | |
|---|---|
| Plant Name | Red Rock Hydro Plant (58434) |
| Plant Address | 1004 216th Place, Pella, IA 50219 |
| Utility | Western Minnesota Mun Pwr Agny (20421) |
| Latitude, Longitude | 41.36972, -92.98083 |
| Generation Dates on File | Jun 2021 to Nov 2025 |
| Initial Operation Date | May 2021 |
| Annual Generation | 175.1 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 | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Des Moines River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | WAPA-- Western Area Power Administration (27000) SD |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 2 Details Operating May 2021
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 27.6 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 27.5 MW |
| Winter Capacity | 27.5 MW |
| Minimum Load | 6.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 2021 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
Generator 1 Details Operating June 2021
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 27.6 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 27.5 MW |
| Winter Capacity | 27.5 MW |
| Minimum Load | 6.2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 2021 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
Red Rock Hydro Plant 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 |
|---|---|---|---|
| #231 | Nantahala | Topton, NC | 182.7 GWh |
| #232 | Willow Island Hydroelectric Plant | Willow Island, WV | 182.5 GWh |
| #233 | Cowans Ford | Stanley, NC | 182.0 GWh |
| #234 | West Point (GA) | West Point, GA | 181.0 GWh |
| #235 | H Neely Henry Dam | Ohatchee, AL | 179.9 GWh |
| #236 | Wilder | Hartford, VT | 179.5 GWh |
| #237 | Albeni Falls | Oldtown, ID | 179.3 GWh |
| #238 | Cushman 2 | Shelton, WA | 179.2 GWh |
| #239 | San Francisquito 1 | Saugus, CA | 177.7 GWh |
| #240 | J Woodruff | Chattahoochee, FL | 177.2 GWh |
| #242 | Lookout Point | Lowell, OR | 175.1 GWh |
| #243 | Sherman Island | Queensbury, NY | 175.0 GWh |
| #244 | Racine | Racine, OH | 174.8 GWh |
| #245 | Webbers Falls | Webbers Falls, OK | 174.3 GWh |
| #246 | Big Creek 8 | Auberry, CA | 173.8 GWh |
| #247 | Cheatham | Ashland City, TN | 173.0 GWh |
| #248 | W E Warne | Gorman, CA | 171.5 GWh |
| #249 | Harris Hydro | West Forks, ME | 170.4 GWh |
| #250 | Cedar Creek (SC) | Great Falls, SC | 164.6 GWh |
| #251 | Greers Ferry Lake | Heber Springs, AR | 163.4 GWh |
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Below are closest 20 power plants surrounding Red Rock Hydro Plant.
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|---|---|---|---|
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