山东：清洁能源“护航”绿色暖冬

Group 1 - The core viewpoint of the articles highlights the transition from coal to electric heating in Shandong, emphasizing the use of clean energy sources like solar and nuclear power for winter heating [1][2] - In Duku Village, the implementation of a microgrid system and solar power generation has enabled residents to achieve a comfortable indoor temperature of 24 degrees Celsius using air-source heat pumps instead of coal [1] - Shandong has actively promoted clean energy heating solutions, with over 22,000 households in Yinan County adopting electric heating, significantly increasing winter heating loads [1] Group 2 - The "Warm Nuclear No. 1" project in Haiyang represents China's first commercial zero-carbon nuclear heating initiative, providing winter heating for approximately 400,000 residents across Haiyang and Weihai, covering an area of 13 million square meters [2] - The State Grid Yantai Power Supply Company has conducted comprehensive inspections of nuclear heating lines to ensure the safety and reliability of power supply during the winter season [2]