storage · Storage
Intermountain Pumped Storage Project (Unit HL001)
Millard, UT
Developer: Premium Energy Holdings (IPP Non-CHP)
Capacity
250 MW
Waiting
—
Stage
Planned, approvals not yet initiated
Verification
Verified (primary source)
Grid region
LDWP
Equipment
Pumped storage
Expected online
Jul 2028*
* Approximate / developer-estimated date, not a firm commitment.
Estimated investment waiting
$329.0M
≈ 250,000 kW × $1,316/kW typical overnight construction cost (EIA) — the dollar value of the power plant itself sitting in permitting limbo, not a bill estimate. Full methodology.
Location
39.4147, -112.4404 — see the map for this project in context with others.
Public Hearings
Unknown
Hearing details: Unknown
Not available from this project’s data source yet. Check the sources below directly.
Sources
Data quality note: No application-filed date is published by EIA-860M, so days/years waiting cannot be computed until one is added via manual override — only a planned operation date (7/2028) is available.