Flat Ridge 4

1292 NE 15 Ave, Harper, KS 67058

Plant Summary Information

Flat Ridge 4 is ranked #43 out of 174 power plants in Kansas in terms of total annual net electricity generation.

Flat Ridge 4 generated 136.8 GWh during the 3-month period between November 2025 to February 2026.

Plant Name	Flat Ridge 4
Utility Name	Invenergy Services LLC
Location	Harper County, KS
Initial Operation Date	Not Available
Last Update	Feb 2026
Annual Generation	374.6 GWh
Annual Consumption	1.3 M MMBtu
Ranked #1,686 out of 12,637 Power Plants Nationwide
Ranked #492 out of 1,376 Wind Power Plants Nationwide
Ranked #43 out of 174 Kansas Power Plants
Ranked #34 out of 52 Kansas Wind Power Plants
Fuel Types	Wind

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Summary Information
Plant Name	Flat Ridge 4 (68222)
Plant Address	1292 NE 15 Ave, Harper, KS 67058
Utility	Invenergy Services LLC (49893)
Latitude, Longitude	37.34112, -98.01313
Generation Dates on File	Jun 2025 to Feb 2026
Initial Operation Date	Not Available
Annual Generation	374.6 GWh
Fuel Types	Wind

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	Southwest Power Pool (SWPP)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution Owner	Evergy Kansas Central, Inc (22500) KS
Grid Voltage	345.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Owner Name	Address	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Wind.

Rank	Plant Name	Plant Location	Annual Generation
#482	Trimont Area Wind Farm	Trimont, MN	378.9 GWh
#483	Prairie Winds SD1	Crow Lake, SD	378.9 GWh
#484	Victory Wind Farm	Westside, IA	378.4 GWh
#485	Pine River Wind Park	Shepherd, MI	376.9 GWh
#486	Elbow Creek Wind Project LLC	Forsan, TX	376.7 GWh
#487	White Oak Energy LLC	Carlock, IL	376.2 GWh
#488	Bluff Point Wind Facility	Portland, IN	375.8 GWh
#489	Cimarron Wind Energy LLC	Cimmaron, KS	375.7 GWh
#490	Lost Creek Wind Energy Facility	King City, MO	375.4 GWh
#491	Redbed Plains Wind Farm	Tuttle, OK	375.1 GWh
#493	Wolf Ridge Wind	Muenster, TX	374.5 GWh
#494	Quilt Block Wind Farm LLC	Darlington, WI	371.4 GWh
#495	Los Vientos Wind 1B	Sebastian, TX	371.3 GWh
#496	Hoopeston Wind LLC	Rossville, IL	371.3 GWh
#497	FPL Energy Vansycle LLC (WA)	Touchet, WA	370.3 GWh
#498	Rock Creek Wind	McFadden, WY	369.7 GWh
#499	White Rock West Wind Project	Anadarko, OK	369.5 GWh
#500	Goshen Phase II	Idaho Falls, ID	369.2 GWh
#501	Willow Creek Wind Power LLC	Newell, SD	369.1 GWh
#502	Crescent Wind Park	Hillsdale, MI	367.9 GWh

Below are closest 20 power plants surrounding Flat Ridge 4.

Plant Name	Plant Location	Annual Generation	Distance
Anthony	Anthony, KS	4.0 MWh	13.1 mi
Cheney Solar	Cheney, KS	2.5 GWh	25.4 mi
Flat Ridge 2 Wind Energy LLC	Zenda, KS	1.1 TWh	13.7 mi
Flat Ridge 3	Zenda, KS	470.3 GWh	22.5 mi
Flat Ridge 5	Harper, KS	294.0 GWh	9.7 mi
Flat Ridge Wind Energy LLC	Isabel, KS	197.5 GWh	24.6 mi
Flat Ridge Wind Farm	Nashville, KS	36.7 GWh	24.6 mi
Gordon Evans Energy Center	Colwich, KS	315.8 GWh	41.1 mi
Grant Plains Wind, LLC	Medford, OK	480.0 GWh	30.7 mi
Grant Wind, LLC	Medford, OK	571.6 GWh	33.5 mi
Kingman Municipal Power and Light Plant	Kingman, KS	1.6 GWh	4.3 mi
Kingman Wind	Cunningham, KS	753.2 GWh	35.4 mi
Maize	Colwich, KS	2.4 GWh	40.3 mi
Mulvane 2	Mulvane, KS	55.0 MWh	44.7 mi
Ninnescah Wind Energy, LLC	Cunningham, KS	790.8 GWh	35.4 mi
Pixley Solar Energy	Pixley, KS	357.6 GWh	27.3 mi
Rock Falls Wind Farm LLC	Braman, OK	386.9 GWh	43.1 mi
Wellington 1	Wellington, KS	6.5 GWh	33.8 mi
Wellington 2	Wellington, KS	2.4 GWh	36.8 mi
WPWP	Wellington, KS	1.1 TWh	44 mi