What is the latest status of the project “Seminoe Pumped Storage Project”?

The status recorded for “Seminoe Pumped Storage Project” is planned.

What is the budget and commercial profile for the project “Seminoe Pumped Storage Project”?

Taiyo normalizes the budget of “Seminoe Pumped Storage Project” to USD 4000000000.

Where can I verify the source and access all details for “Seminoe Pumped Storage Project”?

This Taiyo project page references Cowboy State Daily along with the original URL (https://cowboystatedaily.com/2026/04/08/cowboy-state-daily-video-newscast-thursday-april-9-2026/). Taiyo standardizes official data into a consistent, searchable project profile.

Seminoe Pumped Storage Project

Sector: Water Supply and Storage • Location: Wyoming, United States

Source: Cowboy State Daily

Project

Planned

A $4 billion, 970-megawatt pumped storage project aimed at providing stability to the electric grid. The project has received approval from the DEQ related to water issues and is awaiting completion of the environmental impact statement from FERC. Construction is not expected to start until 2029. The project includes measures to protect downstream fisheries and sheep migration.

Status: Prospective
Sector: Water Supply and Storage, Power Transmission, Power Generation (CCGT)
Location: Wyoming, United States of America
Updated: 22 Jul 2026
Source: Cowboy State Daily

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Project Information

4 Q

The project “Seminoe Pumped Storage Project” is an infrastructure initiative in the Water Supply and Storage sector, located in Wyoming, United States. Taiyo aggregates data on it from Cowboy State Daily.

Participants

Not available for this record.

Status

Original status	planned
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	A $4 billion, 970-megawatt pumped storage project aimed at providing stability to the electric grid. The project has received approval from the DEQ related to water issues and is awaiting completion of the environmental impact statement from FERC. Construction is not expected to start until 2029. The project includes measures to protect downstream fisheries and sheep migration.
Original sector	Energy
Budget

Location

Country	United States of America (USA)
State	Wyoming

Source

Source	Cowboy State Daily
URL

More Details

Record type	Project
Sector	Water Supply and Storage, Power Transmission, Power Generation (CCGT)
Article published date	2026-04-11

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Seminoe Pumped Storage Project

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