329K in Central Texas still without power as of 4 p.m. Tuesday

Texas

Current outages and whether outages are trending higher or lower:

Austin Energy – 186,766 customers without power as of 5 p.m. Tuesday (lower)
Oncor – 82,546 customers without power in Central Texas as of 5 p.m. Tuesday (same)
Pedernales Electric Cooperative – 37,849 customers without power in Central Texas as of 5 p.m. Tuesday (lower)
Bluebonnet – 11,200 customers without power in Central Texas as of 5 p.m. Tuesday (lower)
CTEC – 24,861 customers without power in Central Texas as of 5 p.m. Tuesday

AUSTIN (KXAN) — Rolling blackouts are underway across Texas as the state experiences an energy emergency at the highest levels. These blackouts were expected to last 40 minutes or less but instead will now last longer than 40 minutes, according to Austin Energy. More than 460,000 people across Central Texas are without power.

Overnight Monday, ERCOT, the Electric Reliability Council of Texas, moved the Energy Emergency Alert to level three, the highest alert level for the state due to the record electric demand. ERCOT manages the state’s power grid and on Sunday evening it reported a new winter peak demand record.

Additionally, ERCOT said traffic lights and other infrastructure may be temporarily without power. Austin Transportation said it expected many traffic signals to be flashing red until Tuesday.

As severe winter weather conditions impact Texans in all areas of the state, energy providers are urging the public to curb their energy use to help protect the state’s power grid.

ERCOT has been calling on people and businesses across the state to reduce their energy use as much as possible from Sunday, Feb. 14 through Tuesday, Feb. 16.

ERCOT President and CEO Bill Magness said Sunday that ERCOT is also seeing higher-than-normal generation outages due to frozen wind turbines and limited natural gas supplies.

“We are asking Texans to take some simple, safe steps to lower their energy use during this time,” Magness said.

Blackouts from Travis Heights and Riverside Drive in Austin. (Courtesy: Bino Cadenas)

Just before 4 p.m. Monday, Abbott tweeted the Public Utilities Commission tells him 500,000 residential customers are having power restored at this time. He expects more positive news this evening.

IN-DEPTH: How rolling blackouts work

Austin Energy explains that “rolling blackouts,” or rotating power outages, are temporary power outages that ERCOT puts in place when energy resources are not enough to meet energy demand.

Utilities will typically turn the power off in one section of the city for 10 to 40 minutes before restoring power and then turning the power off in a different section of the city, hence the “rolling” part of rolling blackouts. However, Austin Energy said at 3:30 a.m. that these winter storm outages will need to last longer than 40 minutes due to the unprecedented demand.

Austin Energy, Oncor, and all the other energy providers have to participate in the rolling blackouts that ERCOT directs since they are all part of the state’s interconnected power grid. Each utility is responsible for determining how to implement the required outages.

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