ERCOT, which runs Texas' grid, asked people and companies to conserve energy on Tuesday. The warning was later lifted.
More than 46,000 energy customers in Ohio are currently without power after the state was hit by a thunderstorm.
An unprecedented winter storm across Texas in February inflated the price of electricity and left power providers and their customers with outrageously high bills.
The state official alleges that Griddy violated the state's Deceptive Trade Practices Act by hiking customers' bills to cover its own failures during the extreme weather.
It's easy to be drawn into political corners and cast blame on a single energy source failure.
"It is unacceptable for Texans who suffered through days in the freezing cold without electricity or heat to now be hit with skyrocketing energy costs," Abbott said.
The email error made customers worry that they owed $200,000 to CenterPoint Energy.
As energy supplies dwindled in the freezing weather and demand surged from customers desperate to keep warm, the grid was forced to implement blackouts to protect the network.
Hundreds of thousands of Texans are still without power as the state faces freezing winter temperatures.
The electricity company provides electricity to more than 26 million customers in Texas and has been widely criticised this week for a series of widespread blackouts amid freezing temperatures.
"It's mind-blowing. I honestly didn't believe the price at first," Royce Pierce, a 38-year-old contractor and Texas resident, said. "It's not a great feeling knowing that there is a looming bill that we just can't afford."
Earlier this week, millions of Texan households were without power as the state was hit by a winter storm.
The company has been criticized over the widespread power outages in the state amid freezing temperatures.
"Energy prices should reflect scarcity of the supply," an emergency order from the Public Utility Commission of Texas said.
More than 4.2 million energy customers in Texas are without power amid the winter storm hitting the state.
Texans are facing power outages as the state is hit by Winter Storm Uri's heavy snow and freezing temperatures.
"Power Book II: Ghost" ended its first season with the return of Tommy Egan: and what the finale did with his character is a huge set up for upcoming spin-off "Power Book IV: Force."
"Power Book 2" has now aired its season finale, leaving fans wondering whether the Starz show is over or whether there will be a Season 2 of "Ghost".
"Power Book 2" may be a spin-off of the original "Power" with a new cast, but many former stars have crossed over to the new Starz series.
At one point, more than half a million residents of the East Coast states were without power.
Baldwin County and Mobile County are the worst-affected in Alabama, with more than a combined 260,000 without power.
"Power Book II: Ghost" Episode 1 saw Tasha charged with murder for the killing of James St. Patrick—but her defense saw her blame Tommy Egan, suggesting he may be returning for the Starz show.
Entergy has warned that the hardest-hit areas may be without power for weeks, as "restoration may be hampered by flooding, blocked access, or other obstacles."
"Power Book 2: Ghost" now has a new trailer, that gives viewers their first glimpse of Mary J. Blige and Method Man's characters—and revealed when the sequel would be coming to Starz.
A storm that affected New England on Monday has left thousands of Eversource and National Grid residents without power.
"Power Book II: Ghost" now has its first trailer, which featured the first five cast members as well as the first official release date for the spin-off series.