Washington Kicks Off Energy Storage Projects

07/10/2014 |

Battery installations will fuel federal research


A PNNL researcher tests vanadium redox flow battery technology that was licensed in 2012 by UniEnergy Technologies. The battery delivers 80% increased power capacity and 90% increased efficiency with about half the operating cost of current vanadium redox flow batteries. Courtesy of Pacific Northwest National Laboratory.

Three new energy storage projects in Washington state will provide much-needed data to strengthen control strategies.  

Supported by the state’s Clean Energy Fund, the three projects will contribute to national storage efforts. Two of the three projects include installing all-vanadium redox flow batteries, which were developed by Pacific Northwest National Laboratory (PNNL); lithium ion battery installations are also planned.

Once the batteries are installed, PNNL will conduct benefits analysis, compile field data to shed more light on long-term performance, design plans for acceptance testing, and build control strategies.

Projects include:

  • Avista Utilities of Spokane was awarded $3.2 million. It will install a vanadium redox flow battery from UniEnergy Technologies (which licensed PNNL’s technology) in Pullman, WA, to support Washington State University’s smart campus operations. PNNL and the university are collaborating on a control strategy for this project.
  • Puget Sound Energy of Bellevue will use a $3.8 million grant to install a lithium ion battery within its service territory.
  • Snohomish County Public Utility District No. 1 of Everett received $7.3 million to install both a flow battery and a lithium ion battery. Its project builds on previous technologies installed with a DOE Smart Grid Investment Grant.

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