Electric Reliability Council of Texas

Millions of people in Texas awoke on Wednesday without heat again, as power failures continued to plague the state following a historic winter storm that has killed 21 people so far.

A rare deep freeze in Texas that raised demand for power forced the U.S. state's electric grid operator on Monday to impose rotating blackouts that left nearly 3 million customers without electricity.

President Joe Biden declared an emergency on Monday, unlocking federal assistance to Texas, where temperatures on Monday ranged from minus 2 to minus 22 Celsius.