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US Magnesium — Power plant · Gas, combustion turbine · US MagnesiumUS Magnesium unit GT4 — Postponed · Gas, combustion turbine · UT · 30 MW · 0.0 mi away
  • Combustion
  • Retired
  • 10 · 100 · 1,000 MW

US Magnesium

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbine Retired
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1972
Net generation, 2025
0 MWh
Grid
14 kV to PacifiCorp (PACE)
Location
Tooele County, Utah
Operated by
US Magnesium

Output

Net generation MWh by year, 2012 to 2026
Fuel burned MMBtu by year, 2012 to 2026
  • Gas
  • Oil

Operations detail

Details

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Technology
Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
Age
54 years since 1972
All 4 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110069723062
Subparts reported
C
NAICS code
331410
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1000030
Fuel burned (MMBtu), 20251,476
Net generation (MWh), 20250
Balancing authority codePACE
Data notes (2)
  • Capacity factor, 2025 not shown: net generation 0.0 MWh is not positive (the plant consumed at least as much as it produced over the year)
  • Heat rate (Btu/kWh), 2025 not shown: fuel burned but net generation is not positive

Retirement

EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.
Retired
December 2025
Capacity retired
48 MW
Generators retired
3
Generators that retired or are scheduled to retire
GeneratorTechnologyNameplateStateDate
GT1Natural Gas Fired Combustion Turbine16 MWRetiredDecember 2025
GT2Natural Gas Fired Combustion Turbine16 MWRetiredDecember 2025
GT3Natural Gas Fired Combustion Turbine16 MWRetiredDecember 2025

Grid

EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).
Grid voltage at the plant
14 kV
Transmission or distribution system owner
PacifiCorp
Balancing authority
PacifiCorp - East
NERC region
WECC
Can the connection be reused?

A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.

Ownership

2 companies2
Companies with an ownership or operating interest in this asset.
CompanyRoleShareAs ofSource
US Magnesium Operator EIA-860M
THE RENCO GROUP INC Owner 100.0% Dec 31, 2023 EPA GHGRP

Timeline

  • Stated Units GT1, GT2, GT3 scheduled to retire, 48 MW · EIA-860M
  • In service · EIA-860M

Around this plant

Nearby

within 15 mi
Projects within 15 mi, nearest first.
ProjectKindAwayMW
US Magnesium unit GT4 Postponed Gas, combustion turbine 0.0 mi 30

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution