Are wind power producers the low cost suppliers of frequency control service in ERCOT?

Michael Giberson ERCOT tries to keep the electric power grid in Texas operating at 60 Hertz (i.e., 60 cycles per second, Hertz is abbreviated “Hz”), like the rest of North America, and a few other places in the world.  If electrical load grows faster than power supply, the system frequency will fall below 60 Hz; … More Are wind power producers the low cost suppliers of frequency control service in ERCOT?