Texas Power Grid Manager Issues Weeklong Conservation Alert
Texas Power Grid Manager Issues Weeklong Conservation Alert
On the cusp of summer, the electric power grid manager for most of Texas on Monday issued its second conservation alert since the deadly February blackout, calling on users to dial back energy consumption through Friday to avert an emergency.

DALLAS: On the cusp of summer, the electric power grid manager for most of Texas on Monday issued its second conservation alert since the deadly February blackout, calling on users to dial back energy consumption through Friday to avert an emergency.

The Energy Reliability Council of Texas said many forced generation outages and record June demand has squeezed the power supply. It appeals to users to lower thermostats to 78 degrees and avoid using large electric appliances until demand decreased late in the day.

ERCOT predicted a peak demand load on its system of 73,000 megawatts, far above the June record of 69,123 megawatts set between 4 p.m. and 5 p.m. on June 27, 2018. However, as of 2:30 p.m. Monday, 12,178 megawatts of the grids 86,862 megawatts of generating capacity was offline, ERCOT said, leaving a razor-thin margin of reserve capacity of about 2,000 megawatts.

We will be conducting a thorough analysis with generation owners to determine why so many units are out of service, Woody Rickerson, ERCOT vice president of grid planning and operations, said in a statement. This is unusual for this early in the summer season.

ERCOT spokeswoman Leslie Sopko said 9,066 megawatts of the idled capacity were from steam-powered generator units fueled by gas, coal or nuclear fission.

Were currently seeing three to four times the number of forced thermal (steam-powered) generation outages on our system than we would typically expect to see this time of year, Sopko said in an afternoon telephone conference.

All of these thermal units are offline due to mechanical failure or the need for repairs,” she said.

Also, wind-powered generator output was producing 3,500 to 6,000 megawatts between 3 p.m. and 9 p.m. Monday, about 1,500 megawatts less than what is typically available for peak conditions, according to an ERCOT statement. Solar power was producing more than 5,000 megawatts, Sopko said.

We want you to know that we share the same concerns of all Texans, and this is a priority to ensure that generators can perform as we head into the summer months,” she said.

A megawatt usually powers about 200 homes on a summer day. Summer officially begins on Sunday.

The ERCOT grid is the only one in the nation contained completely within the borders of a single state. That exempts it from federal regulation, but it also isolates it from access to supplemental power from the nation’s other power grids.

ERCOT officials had assured early last month that its latest assessment showed the grid was expected to provide sufficient power to meet peak summer demand. Still, it expected record-breaking demand for electric power that could mean tight supply reserve margins. ERCOT predicted a demand peak of 77,144 megawatts this summer.

Heat-index readings topped 100 degrees in much of Texas on Monday. ERCOT already had issued one conservation alert on April 13 when with temperatures ranging from the 50s to the lower 80s.

Despite experts who say Texas power grid remains vulnerable, Republican Gov. Greg Abbott has declared that new reforms fix all of the flaws that caused a deadly February winter blackout.

More than 4 million people lost power when temperatures plunged into single digits over Valentines Days weekend, icing power generators and buckling the states electric grid. State officials say they have confirmed at least 151 deaths blamed on the freeze and resulting outages, but the real toll is believed to be higher.

Texas lawmakers made significant changes during the recent legislative session that include mandates to weatherize power plants for extreme temperatures and new processes to avert communication failures. However, energy experts have said the reforms do not go far enough to assure a similar catastrophe wont happen again in one of Americas most booming states.

Associated Press writer Paul J. Weber in Austin contributed to this report.

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