US utilities firm Duke Energy Renewables is upgrading the nation’s biggest utility scale lead-acid battery to provide Texas with fast response frequency regulation.
The company is converting its 36-megawatt storage battery at its Notrees Wind Power project in Texas to lithium-ion technology.
Samsung SDI will provide its lithium-ion batteries and associated battery management system (BMS).
Younicos will provide its energy storage management system (ESMS) to work in concert with the Samsung SDI software and batteries.
Greg Wolf, president of Duke Energy, Commercial Portfolio, said: “Because battery technology is rapidly evolving we have an opportunity to upgrade the facility to better match the function that has become most valuable in the Texas market – fast response frequency regulation.”
The project has been operating with lead-acid batteries since 2012. They will be gradually replaced with lithium-ion batteries during 2016.