Recently, various provinces announced the latest electricity purchase prices in March. This month, the peak-valley electricity price difference in 7 provinces rose slightly. Among them, Zhejiang Province had the highest peak-valley price difference, at 1.33 yuan per kWh, and Hunan Province had a peak-valley price difference of 0.90 yuan per kWh. There were 23 provinces and cities where the peak-valley electricity price difference exceeded 0.7 yuan.