REG Mason City Solar
4172 19th St. SW, Mason City, IA 50401Plant Summary Information
REG Mason City Solar is ranked #17 out of 33 solar farms in Iowa in terms of total annual net electricity generation.
REG Mason City Solar generated 807.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | REG Mason City Solar |
|---|---|
| Utility Name | REG Mason City, LLC |
| Location | Cerro Gordo County, IA |
| Initial Operation Date | December 2024 |
| Last Update | Dec 2025 |
| Annual Generation | 4.1 GWh |
| Annual Consumption | 14.0 k MMBtu |
| Ranked #8,868 out of 13,285 Power Plants Nationwide | |
| Ranked #4,018 out of 7,198 Solar Power Plants Nationwide | |
| Ranked #168 out of 284 Iowa Power Plants | |
| Ranked #17 out of 33 Iowa Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for REG Mason City Solar
Monthly Plant Fuel Consumption for REG Mason City Solar
REG Mason City Solar Details
| Summary Information | |
|---|---|
| Plant Name | REG Mason City Solar (69243) |
| Plant Address | 4172 19th St. SW, Mason City, IA 50401 |
| Utility | REG Mason City, LLC (67349) |
| Latitude, Longitude | 43.13617, -93.26386 |
| Generation Dates on File | Jan 2025 to Dec 2025 |
| Initial Operation Date | December 2024 |
| Annual Generation | 4.1 GWh |
| Fuel Types | Solar |
| 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 | Non-Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Chemical Manufacturing (325) |
| Sector | Industrial Non-CHP (6) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Interstate Power and Light Co (9417) IA |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
Generator MCPV1 Details Operating December 2024
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 2.6 MW |
| Summer Capacity | 2.6 MW |
| Winter Capacity | 2.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 2024 |
| Combined Heat & Power | No |
| Sector Name | Industrial Non-CHP (6) |
| Energy Source | Solar |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Bifacial | Yes |
| Azimuth Angle | 180 |
| Tilt Angle | 30 |
| DC Net Capacity | 3.3 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 3.3 MW |
| Virtual Net Metering Agreement | No |
REG Mason City Solar 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 Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #4008 | May Shannon Solar, LLC | Clio, MI | 4.1 GWh |
| #4009 | Edwardsville Solar II | Edwardsville, IL | 4.1 GWh |
| #4010 | Clinton Solar 2 | Centralia, IL | 4.1 GWh |
| #4011 | DSH (CA) - Coalinga State Hospital | Coalinga, CA | 4.1 GWh |
| #4012 | Colton Solar One, LLC | San Bernardino, CA | 4.1 GWh |
| #4013 | Hendershot Solar, LLC | Tecumseh, MI | 4.1 GWh |
| #4014 | NY Fredonia 9824 Route 60 Solar | Fredonia, NY | 4.1 GWh |
| #4015 | Pierce Eunice | Blackshear, GA | 4.1 GWh |
| #4016 | Ozark Solar Park | Lincoln, AR | 4.1 GWh |
| #4017 | USS Vermilion Solar 1 LLC (Vermilion 2) | Fithian, IL | 4.1 GWh |
| #4019 | Harris Shiloh | Shiloh, GA | 4.1 GWh |
| #4020 | SSD Marion 3, LLC | Salem, OR | 4.1 GWh |
| #4021 | ME Novel Lighthouse - Penobscot CSG | Patten, ME | 4.1 GWh |
| #4022 | Griffin Solar | Robinson, TX | 4.1 GWh |
| #4023 | CED Beecher Sun Solar | Beecher, IL | 4.1 GWh |
| #4024 | Briscoe 1A | Tonica, IL | 4.1 GWh |
| #4025 | Mendota Rich Dev CSG | Mendota, IL | 4.1 GWh |
| #4026 | Higginsville Solar Farm | Higginsville, MO | 4.1 GWh |
| #4027 | Pleasant Valley Solar | Monroe, GA | 4.1 GWh |
| #4028 | Iron Horse Solar I CSG | North Billerica, MA | 4.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding REG Mason City Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Barton Windpower LLC | Kensett, IA | 365.4 GWh | 19.8 mi |
| CED Mason City Wind | Mason City, IA | 29.5 GWh | 8.3 mi |
| Cerro Gordo Wind Farm | Union, IA | 170.1 GWh | 10.9 mi |
| Emery Station | Clear Lake, IA | 2.4 TWh | 3.2 mi |
| Forest City Light Plant | Forest City, IA | 392.0 MWh | 20.7 mi |
| Forest City Solar | Forest City, IA | 4.6 GWh | 20.8 mi |
| Hancock County Wind Energy Center | Garner, IA | 250.1 GWh | 19.3 mi |
| Hawkeye Power Partners LLC | Garner, IA | 167.8 GWh | 12.4 mi |
| Lake Mills | Lake Mills, IA | 99.0 MWh | 23.6 mi |
| Lake Mills Gas Recovery | Lake Mills, IA | 31.7 GWh | 22.8 mi |
| Lime Creek | Mason City, IA | 1.1 GWh | 8.3 mi |
| Maple City | Osage Township, IA | 3.0 GWh | 25.8 mi |
| Northern Iowa Windpower II | Kensett, IA | 134.3 GWh | 15.6 mi |
| Old Gold Energy Center, LLC | Joice, IA | 57.1 GWh | 18.7 mi |
| Osage (IA) | Osage, IA | 5.5 GWh | 24.9 mi |
| POET Biorefining-Hanlontown, LLC | Hanlontown, IA | 13.4 GWh | 12.6 mi |
| Rockford | Rockford, IA | 6.0 MWh | 17.1 mi |
| Roeder Family Wind Farm LLC | Manly, IA | 4.9 GWh | 11.2 mi |
| Top of Iowa Windfarm III | Kensett, IA | 39.9 GWh | 15.7 mi |
| Windwalkers LLC | Kensett, IA | 2.5 GWh | 17.3 mi |