SLEEPING BEAR LLC

Operating

Wind power plant

Capacity: 95 MW
Primary fuel: Wind
County: Harper County
Operator: EDISON MISSION ENERGY
Status: Operating
Commissioned: 2007
EIA plant ID: 56621
Generators: 1
Technology: Onshore Wind Turbine
Net generation (2024): 63.3 GWh
Capacity factor (2024, EIA nameplate): 7.6%
Data vintage: EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates: 36.7097, -99.8933

SLEEPING BEAR LLC, a 95 MW Wind power plant in Harper County, Oklahoma. Operated by EDISON MISSION ENERGY, commissioned 2007.

How SLEEPING BEAR LLC compares

With 95 MW of capacity, SLEEPING BEAR LLC ranks 51st among the 73 operating power plants Bywatts maps in Oklahoma and 20th of the 23 operating Wind plants in the state. It accounts for about 3.1% of Oklahoma's operating Wind capacity and 0.4% of all operating capacity in the state. Nationally it is the 284th-largest of the 708 operating Wind plants in the database. Commissioned in 2007, it is newer than 69% of the 72 operating Oklahoma plants with a recorded commissioning year. Its operator, EDISON MISSION ENERGY, runs 3 operating plants in Oklahoma totaling 243 MW. It shares Harper County with 3 other operating plants, including CENTENNIAL WIND FARM and BUFFALO BEAR LLC.

EIA-860 lists 1 generator at the site with 95 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 63.3 GWh in 2024 (a 7.6% capacity factor), down 34% from 2022.

Grid neighborhood

The closest transmission line found within 10 miles is a 345 kV line, about 7.9 miles away. Another 3 operating power plants totaling 143 MW sit within 25 miles; the largest is CENTENNIAL WIND FARM (120 MW, Wind).

Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology

Weather peril exposure

SLEEPING BEAR LLC is a 95 MW wind power plant in Harper County, OK, operated by EDISON MISSION ENERGY, commissioned in 2007. Harper County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.9 of 5 at the 96th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 100th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a wind plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

4.9 of 5Modeled catastrophe exposure

CriticalExposure band

Ice stormLeading peril

Relatively LowFEMA county risk rating

Harper County hazard ratings

Peril	FEMA rating	National percentile	Peril score	Events per year
Ice storm	Very High	100th	5.0 of 5	0.61
Strong wind	Relatively Low	94th	4.8 of 5	3.8
Wildfire	Relatively Low	93rd	4.7 of 5	0.01
Hail	Relatively Low	92nd	4.7 of 5	8.7
Heat wave	Very Low	92nd	4.7 of 5	5.6
Winter weather	Very Low	83rd	4.3 of 5	9.9
Lightning	Very Low	77th	4.1 of 5	47.6
Tornado	Relatively Low	59th	3.3 of 5	0.81
Riverine flooding	Very Low	54th	3.2 of 5	0.29
Earthquake	Very Low	34th	2.4 of 5	<0.01
Hurricane	Very Low	24th	1.9 of 5	<0.01

Perils not assessed in Harper County

These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.

Peril	Why it is not scored
Coastal flooding	FEMA rating is "Not Applicable" for this county

Model hail, wind and flood exposure for Harper County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.