Environmental News from the US:
A heatwave will test the Texas power system again this week after power plant failures late Friday caused prices to spike, forcing the grid operator to urge homes and businesses to turn up their air conditioner thermostats to conserve energy.
The Electric Reliability Council of Texas (ERCOT), which operates the grid for most of the state, said conditions were normal early Monday and has said repeatedly that it expects to have enough resources to meet demand.
On Friday, real-time prices in ERCOT topped $4,000 per megawatt-hour (MWh) for about an hour around 5 p.m. CDT after six power plants shut unexpectedly. But as the units returned to service, real-time prices have remained below $100 since around 10 p.m. on Friday.
AccuWeather forecast high temperatures in Houston, the biggest city in Texas, would reach 95 degrees Fahrenheit (35 Celsius) on Monday before easing to the low to mid-90s F for the rest of the week. That compares with a normal high of 86 F in the city at this time of year.
The extreme weather reminds Texans of the 2021 February freeze that left millions without power, water and heat for days during a deadly storm as ERCOT scrambled to prevent a grid collapse after an unusually large amount of generation was shut.
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