Projects

Pumped Storage Projects

The following are among the prospective pumped storage projects currently being studied by Gridflex:

Maysville Pumped Storage

Location: Mason County, Kentucky
Type: Semi-Closed Loop Pumped Storage with excavated mine reservoir
Generating Capacity: 200-500 MW
Energy Storage Potential: 3,000 MWh

White Pine Pumped Storage

Location: Ely County, Nevada
Type: Closed Loop Pumped Storage
Generating Capacity: 500-750 MW
Energy Storage Potential:  9,000 MWh

Owyhee Pumped Storage

Location: Malheur County, Oregon
Type: Closed Loop Pumped Storage
Generating Capacity: 500 MW
Energy Storage Potential: 6,000 MWh

Rose Creek Pumped Storage

Location: Mineral County, Nevada
Type: Semi-Closed Loop with Integrated Desalination
Generating Capacity: 200-250 MW
Energy Storage Potential: 2,000-3,000 MWh

Southern Intertie Pumped Storage

Location: Mineral/Lyon Counties, Nevada
Type: Closed Loop Pumped Storage
Generating Capacity: 600 MW
Energy Storage Potential: 6,000 MWh

Seminoe Pumped Storage

Location:  Carbon County, Wyoming
Type: Pumped storage utilizing existing lower reservoirs
Generating Capacity: 700 MW
Energy Storage Potential: 7,000 MWh

Prineville Pumped Storage

Location: Crook County, Oregon
Type: Pumped storage utilizing existing lower reservoir
Generating Capacity: 200 MW
Energy Storage Potential:1,800 MWh

Anderson Ranch Pumped Storage

Location: Elmore County, Oregon
Type: Pumped storage using existing lower reservoir
Generating Capacity: 80 MW
Energy Storage Potential:1,000 MWh

CAES Projects

The following are among the prospective Compressed Air Energy Storage projects currently being studied by Gridflex:

Kansas Energy Storage Center

Location: Kiowa County, Kansas
Type: Compressed Air Energy Storage
Generating Capacity: 135 MW
Energy Storage Potential: 2,700 MWh+

CAES Project 2

Location: Confidential
Type: Compressed Air Energy Storage
Generating Capacity: 317 MW
Energy Storage Potential: 6,000 MWh+

Gridflex is investigating additional high-potential pumped storage and CAES sites in areas where they can meet needs for flexible capacity and support renewable resource integration.