Washington Grants $14.3 Million for Power-Storage Systems

Washington state awarded $14.3 million in matching grants to three utilities to develop battery systems to store power from intermittent, renewable sources.

The projects received funding from the state’s Clean Energy Fund, Governor Jay Inslee said Tuesday in a statement. The goal of the fund is to promote clean energy technologies that make the power grid more resilient while curbing greenhouse-gas emissions.

The grants show the growing interest in storage technologies that retain power produced from wind and solar farms for use at night or when the wind isn’t blowing. California is requiring the state’s utilities to purchase 1.325 gigawatts of storage capacity by 2020 to make renewable energy more reliable and reduce greenhouse-gas emissions.

Snohomish County Public Utility District got $7.3 million to develop lithium-ion and vanadium flow batteries. Puget Sound Energy Inc. got $3.8 million for a lithium iron phosphate battery system made by BYD Co. and Avista Corp. got $3.2 million for a 1-megawatt vanadium flow battery.

The total cost of the projects is $35.3 million.

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