By Tim McLaughlin BOSTON, Jan 24 (Reuters) - U.S. electric grid operators on Saturday stepped up precautions to avoid power shortfalls and rotating blackouts as frigid weather affecting nearly half the country's population ramped up stress on their operations.

Changes to ERCOT, power supply facilities in Texas after catastrophic 2021 winter storm should help weather January storm.

Federal and state officials want regional grid operator PJM to extend price caps and secure new power sources, but their non-binding proposal leaves open the question of how to make data centers

This useful dashboard tracks the conditions of the Texas power grid.