Ontario’s IESO plans to use data from this energy storage project to analyze how storage can be used to smooth the power flow from wind and solar systems. A video on how flow batteries work can be viewed by scrolling down here.
Global renewable energy development company, SunEdison, signed a 10-year agreement with Ontario’s Independent Electricity System Operator (IESO) this past December to supply 5 MW (or 20-MWh) of battery storage to the province.
The Ontario IESO works at the heart of Ontario’s power system, and is responsible for making sure everyone in the province gets the electricity they need, when they need it. In addition to leveraging the battery’s storage capability, the IESO intends to use data from this energy storage project to analyze how storage can be used to smooth the power flow from wind and solar energy systems, defer expensive system upgrades, and ultimately shape the future of its grid.
This project is SunEdison’s first commercial, large-scale, grid-connected energy storage project, and is one of the first commercial applications of flow batteries in Canada.
“By integrating energy storage into their grid, the Ontario IESO gains access to a powerful new tool that has the potential to transform how it operates the power system,” said Tim Derrick, SunEdison’s GM of Advanced Solutions. “Batteries can be used to reduce grid congestion, smooth out power flow from solar and wind sources, and may help the IESO defer or avoid expensive upgrades to the grid.”
SunEdison is working with flow battery technology leader Imergy to deliver the project. Imergy’s vanadium redox-flow battery technology provides a cost effective and durable way to store energy for hours at a time.
“SunEdison’s energy storage project is one of several projects that will support reliability in Ontario by providing much needed quick response capacity and operational flexibility,” said Bruce Campbell, Ontario IESO’s President and CEO. “We congratulate SunEdison on the success of their proposal and look forward to working with them to implement this project.”
SunEdison plans to start construction of the project during the first half of 2017, with completion targeted for later that year. Operation and maintenance of the battery systems will be performed by SunEdison Services, which provides global asset management, monitoring and reporting services.
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