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Range Range offers utilities and system operators a superior alternative to traditional fossil-fuel generation for integrating intermittent renewables. Range: reduces costs, reduces GHGs, and improves efficiencies throughout a power system.
Range Energy Storage Systems Bulk Storage Project

Range EES will construct, own, and operate a 160 to 320 MW Hybrid Bulk Energy Storage project at the site of the soon-to-be retired Intermountain Power Project (IPP) in Delta, Utah. The site is located at the terminus of the Southern Transmission System (STS) which connects to Southern California, offering a convenient transmission solution for energy captured in Utah to reach consumers in Southern California. The Range CAES project can easily be paired with new renewable generation facilities, or it can serve as a system resource to balance generation and load from multiple sources on the grid.

 

The Range solution offers utilities a reliable energy storage technology and access to transmission lines to transport captured
energy to consumers. 

Why Bulk Energy Storage?
Capacity to address oversupply
Range provides bulk energy storage to absorb and redispatch mid-day solar surplus generation
Capacity to address
evening ramps
Range ramps quickly to meet evening loads as solar generation comes offline
Technology Cost
Range ESS provides long-duration storage at low cost-- for example, batteries cost three times the
Range solution
Reduced Production Costs
Bulk storage reduces production costs compared to increased renewable overbuild or greater reliance on natural gas generation

At 320 MW, Range's CAES project offers:

  • Bulk capacity: up to 54 hours of generation (16,658 MWh)

  • Fast start up: Start up to full load (317 MW) within 10 minutes; start up to full compression in 4 minutes

  • Fast ramping: 64 MW/min generation; 78 MW/min storage with two units

  • Operating ranges of 9-100% for generation, 65-110% for storage

  • Ability to operate in both storage and minimal generation modes simultaneously, which delivers maximum ancillary capabilities

  • Grid inertia stability (frequency response) by providing transmission operators the benefit of four separate rotating generators

Why Bulk Energy Storage?
Operating Characteristics
CAES Technology

Range Leverages Dresser-rand's Compressed Air Energy Storage (CAES) technology to store and then release energy. CAES is a proven technology with two operational plants in existence today; one in Germany, one in the US in Alabama. 

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Project Timeline

Range's Hybrid Bulk Energy Storage project will be on-line and ready to be leveraged by utilities by 2022.