115.8 MW Wind operating in Converse, WY — PacifiCorp - East
115.8 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2009
Operating Since
Coordinates
43.0572, -105.8543
County
Converse, WY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | MidAmerican Energy | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | retired | — |
The Rolling Hills Wind Farm may be one of two wind farms, one in Wyoming, the other in Iowa.
Read more on WikipediaThe Rolling Hills wind farm is located in Converse County, Wyoming. The plant has a total capacity of 115.8 MW and began operating in 2009. It is owned by Berkshire Hathaway and operated by PacifiCorp. The facility consists of a single generator utilizing onshore wind turbine technology. The wind turbines have a hub height of 80 meters and a rotor diameter of 91 meters, and were manufactured by GE Wind, model GE1.85-91. Rolling Hills is ranked 23rd out of 24 wind plants in Wyoming, and 624th out of 734 nationally.
The plant's latest annual generation was 244,790 MWh, resulting in a capacity factor of 24.1%. Rolling Hills operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $2,060.47 per kW. The plant has a power purchase agreement (PPA) price of $10.78 per MWh.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
37.9K MWh
Latest Month
244.8K MWh
Annual Generation
24.1%
Capacity Factor
$10.8/MWh
PPA Price
PacifiCorp
Contract Seller
Cumulative Installed Cost
Per-Unit Cost Trends
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
Last updated 2026-03-26
View all 9 articles