503.2 MW Wind operating in Carbon, WY — PacifiCorp - East
503.2 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2021
Operating Since
Coordinates
42.1772, -106.2341
County
Carbon, WY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | operating | — |
TB Flats is a 503.2 MW wind power plant located in Carbon County, Wyoming. The facility began operating in 2021 and is owned by Berkshire Hathaway and operated by PacifiCorp. It ranks as the fourth-largest wind farm in Wyoming (out of 24) and 24th-largest nationally (out of 734). The plant consists of a single generator utilizing onshore wind turbine technology. The facility uses Vestas V110-2.0 wind turbines, with a hub height of 80 meters and a rotor diameter of 110 meters.
In its most recent year of operation, TB Flats generated 1,361,919 MWh of electricity, achieving a capacity factor of 31.0%. The plant operates within the PacifiCorp - East balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $1199.38 per kW and 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
197.9K MWh
Latest Month
1.4M MWh
Annual Generation
31.0%
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 articles