Hirth, Lion; Ziegenhagen, Inka - 2013
Control power (regulating power, balancing power) is used to quickly restore the supply-demand balance in power systems …. Variable renewable energy sources (VRE) such as wind and solar power are often thought to increase the reserve requirement … load, contracted control power decreased by 20%, and procurement cost fell by 50%. Today, control power adds only 0.4% to …