Gelonghui May 9| Electricity prices in Texas soared nearly 100 times that day as a large number of power plants shut down triggered concerns about overnight power shortages. According to data from the Texas Power Reliability Commission, spot electricity prices in northern centers, including Dallas, jumped to more than $3000 per megawatt hour before 7 pm local time on the 8th, compared with about $32 at the same time on the 7th. The state's electricity supply is currently at its most tight time this year, and this has increased.chainreactiongameshowRisk of prices rising to the $5000 cap. Unusually hot weather in Texas has increased residents 'need for cooling and cooling and led to reduced efficiency at many power plants. Local wind power generation also decreased compared with the previous day, and the number of power outages also increased.