Thursday, May 19, 2016

Storing the Sun’s Energy Just Got a Whole Lot Cheaper - by Joe Romm

The lithium-ion-based storage system used in Minster. (Credit: S&C Electric Company) Click to Enlarge.
With prices dropping rapidly for both renewables and battery storage, the economics of decarbonizing the grid are changing faster than most policymakers, journalists, and others realize.  So, as part of my ongoing series, “Almost Everything You Know About Climate Change Solutions Is Outdated,” I will highlight individual case studies of this real-time revolution.

My Monday post discussed the Federal Energy Regulatory Commission’s (FERC) report that in the first quarter, the U.S. grid added 18 megawatts of new natural gas generating capacity, but 1,291 MW of new renewables.  But one of FERC’s “Electric Generation Highlights” for March deserves special attention as a leading indicator of the revolutionary new economics of solar plus storage:

Half Moon Ventures LLC’s 4.2 MW Minster Solar Project in Auglaise County, OH is online. This project includes an energy storage capacity.

The Minster “solar + storage system is the largest U.S. facility of its kind connected through a municipal utility,” according to S&C Electric Company, which built and integrated the storage system.  It combines a 4.3-MW photovoltaic systems and a 7-MW/3-MWh storage management system that provides power conversion with lithium ion batteries.

Read more at Storing the Sun’s Energy Just Got a Whole Lot Cheaper

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