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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
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
197.9K MWh
Latest Month
1.4M MWh
Annual Generation
31.0%
Capacity Factor
PacifiCorp · Data from 2019–2025
$10.8/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about TB FlatsPacifiCorp - East (PACE)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility