Tens of thousands of Texans were without power Tuesday morning, but the statewide electric grid wasn’t to blame. With the current cold snap’s most frigid temperatures still to come, electricity demand already has had its biggest spike since last January.

According to Operations Messages on the ERCOT website, around 5 a.m. ERCOT issued a Transmission Emergency in South and Southeast Texas.

To the relief of many Houstonians still traumatized by the mass outages of 2021, Tuesday’s historic snowfall has had minimal impact on the region’s power grid so far. CenterPoint Energy, the primary electricity distribution utility for the Houston area,