Thousands are without power following to an arctic blast arriving in San Antonio on Tuesday, January 21. A CPS Energy outage map showed nearly ... a statement saying grid conditions are expected ...

Lack of power-line capacity can create “congestion” of electrons on the grid, similar to cars clogging up lanes on a highway. The San Antonio area is one such grid chokepoint, as there’s not ...

The Electric Reliability Council of Texas, the state power grid operator ... The frigid air is likely to arrive in the San Antonio area about 9 p.m. Temperatures are expected to drop quickly ...