Group 1: Global Power Outages - In 2025, multiple countries including South Africa, Cuba, Spain, Portugal, Kuwait, the United States, and the Czech Republic have experienced significant power outages, indicating a troubling trend for global electricity grids [1][2] - The underlying causes of these outages include extreme weather conditions, aging infrastructure, and insufficient power supply and grid capacity [2][6] - Spain's power grid has seen a rise in renewable energy generation, which has led to increased sensitivity to disturbances, contributing to the large-scale outages [3][4] Group 2: China's Power Supply Stability - Despite facing extreme weather and record-high electricity loads, China's power grid has maintained stability without resorting to rolling blackouts, unlike many other countries [1][8] - China's highest electricity load reached 15.06 million kilowatts in July 2025, showing a significant increase from previous years [7][8] - The country has a comprehensive power supply strategy that leverages a unified national grid, allowing for coordinated responses to electricity demands [8][10] Group 3: Infrastructure and Investment - China's power infrastructure is the largest globally, with a significant portion of the world's installed capacity, and ongoing investments are being made to enhance grid resilience and flexibility [8][11] - In 2024, China's investment in power grid construction reached 608.3 billion yuan, marking a 15.3% increase from the previous year, indicating a strong commitment to upgrading infrastructure [11][12] - The establishment of a nationwide electricity trading mechanism aims to optimize resource allocation and enhance inter-regional cooperation [11][12] Group 4: Demand-Side Management - China's diverse geographical landscape allows for staggered peak electricity loads across provinces, facilitating demand-side resource management [12] - The implementation of market-based mechanisms, such as time-of-use pricing and demand response strategies, helps balance supply and demand effectively [12]