我国电力可靠性水平大幅提升 供电可靠率达99.924%

Core Insights - The reliability level of China's electricity supply has significantly improved due to the joint efforts of the government, industry, and enterprises, with the average power outage time per user decreasing from 94.55 hours in 1991 to 6.71 hours in 2024, and the average power supply reliability reaching 99.924% [1][2] Group 1: Historical Progress - Over the past 40 years, China's electricity industry has undergone rapid development, transitioning from initial exploration to catching up and now leading in electricity reliability management [2] - The average unplanned outage frequency of major coal-fired power units has decreased from 6.22 times in 1985 to 0.6 times in 2024 [1] Group 2: Current Performance Metrics - The availability coefficient of transformers at 220 kV and above remains high, with the energy availability rate of direct current systems maintained at over 95.6% for the past five years, generally surpassing international standards [1] - The emphasis on electricity reliability management is crucial for ensuring reliable power supply and supporting safe electricity production [2]