新华社丨国家能源局发布:汛期叠加迎峰度夏电力保供，上半年电力可靠性如何？

Core Viewpoint - The reliability of electricity supply remains stable despite extreme weather events, with the National Energy Administration actively monitoring and managing the situation to ensure safety and reliability [1][2][3] Group 1: Electricity Supply Reliability - The National Energy Administration reported that the overall electricity supply in the country has remained stable in the first half of the year, with effective measures taken to mitigate the impact of extreme weather on the power system [1] - The average electricity reliability rate nationwide was 99.948%, with a reduction in average outage time and frequency for users [3] Group 2: Generation and Transmission Performance - In terms of generation, the equivalent availability factor for coal-fired units was 92.12%, an increase of 0.68 percentage points year-on-year, while the average utilization hours decreased by 166.29 hours to 1961.31 hours [2] - The equivalent availability factor for conventional hydropower units was 92.93%, a decrease of 0.27 percentage points, with average utilization hours down by 7.84 hours to 1631.61 hours [2] - The transmission and transformation systems showed improvements, with the availability factor for 220 kV and above transformers at 99.6%, an increase of 0.29 percentage points, and the energy availability rate for DC transmission systems at 97.09%, an increase of 2.22 percentage points [2]