(KTEN) -- A winter storm coupled with historically low temperatures is creating "record-breaking electric demand" across Texas.

That's why the Electric Reliability Council of Texas on Sunday called on all Texans to conserve power through Tuesday.

"We recognize the challenge of conserving energy during this extremely cold weather, but even a few small changes can help make a difference – such as turning down the thermostat a couple degrees, keeping lights off in empty rooms and unplugging unused appliances around your home," said ERCOT spokesperson Connie Piloto in a written statement.

Other energy-saving tips include:

  • closing shades and blinds to reduce heat lost through windows
  • avoiding the use of large appliances like ovens and washing machines 

ERCOT said frozen wind turbines and limited natural gas supplies are increasing the danger of blackouts during the winter storm.

"While Oncor’s transmission and distribution system is prepared to handle the increased load, requests for conservation are a case of supply and demand – when there may not be enough power generation to meet the high demand for electricity," Piloto said.