Walnut Grove Demonstration Plant
300 Maple Street, Walnut Grove, MS 39189Plant Summary Information
Walnut Grove Demonstration Plant is ranked #23 out of 26 solar farms in Mississippi in terms of total annual net electricity generation.
Walnut Grove Demonstration Plant generated 635.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Walnut Grove Demonstration Plant |
|---|---|
| Utility Name | Mississippi Power Co |
| Location | Leake County, MS |
| Initial Operation Date | July 2023 |
| Last Update | Dec 2025 |
| Annual Generation | 3.3 GWh |
| Annual Consumption | 11.7 k MMBtu |
| Ranked #9,610 out of 13,081 Power Plants Nationwide | |
| Ranked #4,650 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #54 out of 58 Mississippi Power Plants | |
| Ranked #23 out of 26 Mississippi Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Walnut Grove Demonstration Plant
Monthly Plant Fuel Consumption for Walnut Grove Demonstration Plant
Walnut Grove Demonstration Plant Details
| Summary Information | |
|---|---|
| Plant Name | Walnut Grove Demonstration Plant (65697) |
| Plant Address | 300 Maple Street, Walnut Grove, MS 39189 |
| Utility | Mississippi Power Co (12686) |
| Latitude, Longitude | 32.57975, -89.45417 |
| Generation Dates on File | Aug 2023 to Dec 2025 |
| Initial Operation Date | July 2023 |
| Annual Generation | 3.3 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 | Regulated |
| NERC Region | SERC |
| Balancing Authority | Southern Company Services, Inc. - Trans (SOCO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Mississippi Power Co (12686) MS |
| Grid Voltage | 12.50 kV |
| Energy Storage | Yes |
Generator 1A Details Operating July 2023
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 1.5 MW |
| Summer Capacity | 1.5 MW |
| Winter Capacity | 1.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2023 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Electricity used for energy storage |
| Time From Cold Shutdown To Full Load | 10M |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 1.5 |
|---|---|
| Maximum Charge Rate | 1.5 MW |
| Maximum Discharge Rate | 1.5 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 0.5 |
| Storage Enclosure Type | CS |
| Backup Power | P |
| Excess Wind And Solar Generation | Yes |
| DC Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 65697 |
| Direct Support Gen Id | 1B |
| Support T D Asset | Yes |
Generator 1B Details Operating July 2023
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 1.5 MW |
| Summer Capacity | 1.5 MW |
| Winter Capacity | 1.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | July 2023 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Time From Cold Shutdown To Full Load | 10M |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Dual Axis Tracking | No |
| Bifacial | Yes |
| DC Net Capacity | 2.6 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Walnut Grove Demonstration 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 Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #4640 | Bowden Solar LLC | Monson, MA | 3.3 GWh |
| #4641 | Weymouth Solar Plant | La Verne, CA | 3.3 GWh |
| #4642 | Davis Solar | Goshen, NY | 3.2 GWh |
| #4643 | BWC Jimmie Pond | Hampden, ME | 3.3 GWh |
| #4644 | Mendota | Mendota, IL | 3.3 GWh |
| #4645 | Greenville Solar Plant | Milford, UT | 3.3 GWh |
| #4646 | MDFA Devens-Saratoga | Devens, MA | 3.3 GWh |
| #4647 | N Baker Road | Lena, IL | 3.3 GWh |
| #4648 | Kaiser Creek Solar (CSG) | Molalla, OR | 3.3 GWh |
| #4649 | Vaca Dixon Solar Station | Vacaville, CA | 3.3 GWh |
| #4651 | Acushnet- High Hill | Dartmouth, MA | 3.3 GWh |
| #4652 | Boas Rd #1 Community Solar Farm | Mooers, NY | 3.3 GWh |
| #4653 | Woodsdale Farm, LLC | Roxboro, NC | 3.3 GWh |
| #4654 | Visalia - (CA) | Visalia, CA | 3.2 GWh |
| #4655 | OK Produce Fresno Carport | Fresno, CA | 3.3 GWh |
| #4656 | Svenski Solar (Hybrid) | Crawford, NY | 3.3 GWh |
| #4657 | Douglas Pike Solar, LLC | Burrillville, RI | 3.3 GWh |
| #4658 | White Horse Solar A | Greenville, SC | 3.3 GWh |
| #4659 | Hadley 3 Solar (South) | Hadley, MA | 3.3 GWh |
| #4660 | Cairo Solar Farm, LLC | Cairo, GA | 3.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Walnut Grove Demonstration Plant.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Attala | Sallis, MS | 2.9 TWh | 32.7 mi |
| Cane Creek | Pachuta, MS | 158.9 GWh | 53.2 mi |
| CF Industries Yazoo City Complex | Yazoo City, MS | 103.6 GWh | 58.2 mi |
| Choctaw County | French Camp, MS | 4.7 TWh | 49 mi |
| Delta's Edge Solar | Greenwood, MS | 144.8 GWh | 73.8 mi |
| Georgia-Pacific Taylorsville Plywood | Taylorsville, MS | 58.7 GWh | 51.3 mi |
| Golden Triangle II | St.Artesia, MS | 331.8 GWh | 75.2 mi |
| Hinds Energy Facility | Jackson, MS | 2.1 TWh | 46.7 mi |
| Kemper County | De Kalb, MS | 101.5 GWh | 51.6 mi |
| Lineage MS | Richland, MS | 971.0 MWh | 46.7 mi |
| Meridian II | Meridian, MS | 6.3 GWh | 50.9 mi |
| Meridian III | Meridian, MS | 119.4 GWh | 53.4 mi |
| Moselle | Moselle, MS | 1.5 TWh | 73.2 mi |
| Pearl River Solar Park LLC | Morton, MS | 427.9 GWh | 16.2 mi |
| Quantum Choctaw Power LLC | Ackerman, MS | 3.9 TWh | 57 mi |
| Ragsdale Solar LLC | Canton, MS | 241.7 GWh | 32.4 mi |
| Ratcliffe | De Kalb, MS | 4.1 TWh | 40.6 mi |
| Red Hills Generating Facility | Ackerman, MS | 2.1 TWh | 56.7 mi |
| Silver Creek | Prentiss, MS | 282.3 GWh | 73.6 mi |
| Sylvarena | Raleigh, MS | 262.1 GWh | 41.4 mi |