Flat Ridge 5

OperatingWind

Ranked #33 of 53 Wind plants in KS#475 of 1444 nationally

153 MW Wind operating in Harper, KS — Southwest Power Pool

EIAGEM

153 MW

Nameplate Capacity

Generators

unit

Onshore Wind Turbine

Technology

2025

Operating Since

Location

Coordinates

37.2026, -98.0457

County

Harper, KS

Nearby Plants

Flat Ridge 4
Wind134 MW · 15.7 km
Flat Ridge 2 Wind Energy LLC
Wind470.4 MW · 25.5 km

Status

as of 3y 4m ago

Latest milestoneturbine upgradesFarm Progress · 2023-01-22

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	Public Service Co of Oklahoma	Public Service Company of Oklahoma	—
Owner(s)	Invenergy Services LLC	American Electric Power Company	—
Status	Operating	operating	—

Ownership Chain

DeveloperBp Wind EnergyFarm Progress · 2023-01-22

PartnerSempra US Gas & PowerPower Technology · 2013-11-05

About

Flat Ridge 5 is a 153 MW wind power plant located in Harper County, Kansas. The facility, which commenced operations in 2025, utilizes onshore wind turbine technology and is owned by American Electric Power Company. Invenergy Services LLC serves as the operator. The plant is interconnected to the Southwest Power Pool (SPP) balancing authority and resides within the Western Electricity Coordinating Council (WECC) NERC region.

Flat Ridge 5 is the 33rd largest power plant in Kansas out of 44 total plants in the state. Nationally, it ranks as the 465th largest out of 734 plants. The plant has been the subject of 7 news articles, with coverage focusing on industry trends, deals, and regulatory matters.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Global Energy Monitor

Engineering & Generators

Grid Context

ISO/RTO

SPP

Market

ISO/RTO Member

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Generation