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Preliminary 2025 facility recordOperating

Harper, KS · EIA plant 68222

Flat Ridge 4

Flat Ridge 4 is a wind power facility in Harper, KS, with 134 MW of operating capacity.

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Operating capacity134 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityPublic Service Co of OklahomaEIA-reported operator
Balancing authoritySWPPSouthwest Power Pool

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Wind134 MW
ProposedNo proposed capacity reported
Reported technologiesOnshore Wind Turbine

Nearby in KS

Related facilities

KS · 4.3 miKingman Municipal Power and Light Plant19 MW →KS · 9.7 miFlat Ridge 5153 MW →KS · 13.1 miAnthony11 MW →KS · 13.7 miFlat Ridge 2 Wind Energy LLC470 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source