As North Texas prepares for a round of winter weather this week, the Electric Reliability Council of Texas is not predicting a repeat of 2021.

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What we know: A winter storm is expected to move through North Texas on Thursday, bringing a wintry mix of snow, rain and sleet.

A winter storm warning is in effect until Friday morning.

ERCOT says the state’s power grid is better prepared for subzero temperatures and higher electricity demand.

The agency’s electricity supply and demand chart shows a six-day forecast of demand and availability.

The graphic forecasts peak energy use for Wednesday and Thursday nights, predicting demand of 64,000 megawatts on Wednesday and 66,000 megawatts on Thursday evening.

ERCOT forecasts a nearly 20,000 megawatt surplus over estimated demand.

ERCOT issued a weather advisory through Friday.

A weather watch provides advance notice of severe weather that will result in higher electricity demand.

How does the forecast for 2025 compare to 2021?

While winter storms can bring flashbacks to 2021’s deadly winter storm, there’s a big difference in the forecast for this year.

Current forecasts in DFW show highs above freezing.

During the February 2021 storm, Dallas-Forth Worth spent 129 consecutive hours below freezing and more than 72 hours below 20 degrees.

The storm killed 246 people and left millions without power for days after the state’s power grid failed.

Federal energy regulators blamed the storage on frozen assets at power plants and natural gas facilities.

Since then, ERCOT has implemented policies it says are aimed at preventing similar outages.

According to the agency, these tools include weatherizing energy assets, bringing more power generation facilities into operation sooner if needed, and purchasing more reserve power.

According to ERCOT, more than 10,000 megawatts of electricity were added to the grid last year.

Is the power grid failing?

In numbers: Will there be any outages due to grid failures during this storm?

The short answer is unlikely.

As of Tuesday around 5 p.m., ERCOT estimated a demand of just under 58,000 megawatts with a grid capacity of just over 82,000 megawatts.

ERCOT’s grid health estimate shows the grid operating with more than 11,000 megawatts of reserves under weather-related conditions. Weather monitoring means the grid is functioning normally and supply and demand are in balance, but reserves are falling.

ERCOT has three levels of advisory before moving into emergency operations.

It works:

ERCOT estimates that one megawatt is enough to power 250 residential customers at peak times.

Where can I find current information about the network, severe weather and closures?

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