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 33.3 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | Red Rock Hydro Plant |
|---|---|
| Utility Name | Western Minnesota Mun Pwr Agny |
| Location | Marion County, IA |
| Initial Operation Date | May 2021 |
| Last Update | Feb 2026 |
| Annual Generation | 202.1 GWh |
| Annual Consumption | 690.5 k MMBtu |
| Ranked #2,483 out of 12,637 Power Plants Nationwide | |
| Ranked #208 out of 1,331 Water Power Plants Nationwide | |
| Ranked #83 out of 281 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
Monthly Plant Fuel Consumption 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 Feb 2026 |
| Initial Operation Date | May 2021 |
| Annual Generation | 202.1 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 |
|---|---|---|---|
| #198 | Carmen Smith | McKenzie Bridge, OR | 223.3 GWh |
| #199 | Caribou 1 | Belden, CA | 221.0 GWh |
| #200 | Claytor | Radford, VA | 220.4 GWh |
| #201 | Detroit | Mill City, OR | 219.7 GWh |
| #202 | Eufaula Dam | Porum, OK | 219.6 GWh |
| #203 | Donnells | None, CA | 219.2 GWh |
| #204 | Lewis Smith Dam | Jasper, AL | 219.0 GWh |
| #205 | Flatiron | Loveland, CO | 217.2 GWh |
| #206 | Thurlow Dam | Tallassee, AL | 211.8 GWh |
| #207 | Hudson Falls Hydroelectric Project | South Glens Falls, NY | 210.4 GWh |
| #209 | Edison Sault | Sault Ste. Marie, MI | 199.0 GWh |
| #210 | Sam Rayburn Dam | Jasper, TX | 198.5 GWh |
| #211 | Cowlitz Falls | Randle, WA | 196.3 GWh |
| #212 | Colton | Pierrepont, NY | 195.0 GWh |
| #213 | Woodleaf | Forbestown, CA | 193.8 GWh |
| #214 | Prospect 2 | Prospect, OR | 193.1 GWh |
| #215 | Kern River 1 | Bakersfield, CA | 192.1 GWh |
| #216 | Denison | Denison, TX | 191.9 GWh |
| #217 | Pit 1 | Burney, CA | 188.4 GWh |
| #218 | Markham | Locust Grove, OK | 188.2 GWh |
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Below are closest 20 power plants surrounding Red Rock Hydro Plant.
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|---|---|---|---|
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| Prairie Wind Farm | Montezuma, IA | 590.2 GWh | 15.1 mi |
| River Hills | Des Moines, IA | 1.3 GWh | 36.4 mi |
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