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Duke Renewables Starts $44M Wind-Battery Project

Jan 25, 2013
Source: 
(Charlotte Business Journal)

Duke Energy Renewables has completed testing of a $44 million battery-storage system at its Notrees Windpower Project in Texas and put it in operation.

The 36-megawatt battery will store excess energy from the 153-megawatt Notrees farm at times it is producing more power than is needed and release it when the project is producing too little.

“Battery storage is an important innovation to address the variability of wind- and solar-energy generation,” said Duke Renewables President Greg Wolf. “Developing an expertise in this advanced technology will enable us to expand the use of renewable energy, better integrate it into the power grid and become even more efficient at serving our customers.”

Xtreme Power, based in Austin, Texas, designed and installed the system for Duke Renewables. The Electric Power Research Institute will collect performance data from the system and help assess the potential for broader adoption in the industry.