DALLAS (AP) - Operators of the state's electric grid have urged conservation after freezing, icy weather led to power outages and forced some North Texas schools to call off classes.
The Electric Reliability Council of Texas asked consumers to limit power use Monday morning amid concerns over high demand.
Oncor reported about 7,600 homes and businesses without electricity, mainly in the Tyler and Dallas-Fort Worth areas.
Travel has proven hazardous, with the Texas Department of Public Safety reporting traffic on Interstate 45 at a standstill south of Dallas. DPS says the backup extends for at least 15 miles.
The National Weather Service issued a wind chill advisory until midmorning Monday for the Dallas-Fort Worth area. Forecasters say sunny conditions should return by Tuesday with highs in the upper 40s.
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