Duke Energy Renewables has completed its 36-MW energy storage and power management system at its Notrees Windpower Project in west Texas. The system became fully operational in December, 2012. “Battery storage is an important innovation to address the variability of wind and solar energy generation,” said Duke Energy Renewables President Greg Wolf. “Developing an expertise…

Renewable energy projects often cannot consistently deliver electricity so some of the power must be stored, often in larger batteries. For example, the Notrees wind project will be the largest that uses a battery backup, and more such projects are in the pipeline. “We have a few large projects awaiting to be announced later this…