92 MW Solar operating in Sweetwater, WY — PacifiCorp - East
92 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2018
Operating Since
Coordinates
41.6275, -109.6826
County
Sweetwater, WY
Nearby Plants
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 | Onward Energy | 174 Power Global | — |
| Owner(s) | 174 Power Global Corp. | 174 Power Global [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as 174 Power Global [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
The Sweetwater Solar PV Park is a 97.8-megawatt photovoltaic power station located in Sweetwater County, Wyoming, approximately 11 miles northwest of Green River, along State Highway 372. The project, developed by Clenera, Energy of Utah, was commissioned in December 2018. Covering an area of 703 acres, it generates approximately 186,575 megawatt-hours of electricity annually—enough to power 17,000 households while offsetting 44,000 metric tons of carbon dioxide emissions each year.
Read more on WikipediaSweetwater Solar is a 92 MW solar photovoltaic power plant located in Sweetwater County, Wyoming. The plant, which began operating in 2018, is owned and operated by Onward Energy. It utilizes single-axis tracking technology to maximize solar energy capture. Sweetwater Solar is the third-largest solar plant in Wyoming and ranks 660th nationally out of 7,108 solar facilities.
The plant's primary fuel source is the sun. In its most recent year of operation, Sweetwater Solar generated 173,282 MWh of electricity, achieving a capacity factor of 21.5%. The plant operates within the PacifiCorp - East balancing authority, which is part of the Western Electricity Coordinating Council (WECC) NERC region. Financial data is available for Sweetwater Solar from LBNL, indicating that it is one of the more closely tracked solar facilities in the US.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
PacifiCorp - East
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
6.3K MWh
Latest Month
173.3K MWh
Annual Generation
21.5%
Capacity Factor
$38.6/MWh
LCOE (Levelized Cost)
$21.2/MWh
Energy Value
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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Last updated 2026-03-14
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