来源：经济参考报 8月20日，国家电网有限公司宁夏-湖南±800千伏特高压直流输电工程(以下简称"宁电入湘"工程)投产送 电，这是我国首条获批的以输送"沙戈荒"风电光伏大基地新能源为主的特高压输电通道，也是我国今年 投产送电的第三条特高压直流输电工程。 我国能源投资加速"向绿向新"聚集。近期一批重大项目有力推进，新型能源体系建设正酣。业内人士认 为，下半年能源投资将继续保持良好势头，新能源、特高压等建设提速的同时，智能电网、新型储能、 绿氢等赛道具备较大增长潜力。 近20个足球场大小的厂区内塔架林立、线网交织，电流声作响，近两层楼高的高端和低端换流变压器依 次排开……位于湖南省衡南县的"宁电入湘"工程±800千伏衡阳换流站里，跨越1616千米的特高压线路在 此"落脚"。 国网湖南省电力有限公司新闻发言人朱军飞介绍说，作为一条能源跨区域调配的"绿色动脉"，"宁电入 湘"工程总投资281亿元，配套电源装机容量1764万千瓦，其中新能源1300万千瓦，包括风电400万千 瓦、光伏发电900万千瓦。新能源装机占比超70%，创下同类工程新高，也让湖南电网"含绿量"不断提 升。 据了解，"宁电入湘"工程整体投产后，额定最 ...

Group 1 - The article highlights the increasing electricity demand due to high temperatures across the country, with the highest electricity load reaching a record 1.508 billion kilowatts, an increase of 57 million kilowatts compared to last year [1] - Coal is emphasized as a critical component for energy supply during peak summer demand, with significant production efficiency improvements reported at coal mines [1] - The article discusses the importance of optimizing the power grid structure and enhancing emergency response capabilities to ensure energy security during extreme weather conditions [1][2] Group 2 - The Tai'an Port in Shandong has played a vital role in coal transportation, with a total railway coal volume of 4.55 million tons from January to July, and a year-on-year increase in throughput of 485% [2] - The article notes the imbalance in electricity supply and demand between eastern and western regions, highlighting the role of renewable energy in addressing these disparities [2] - Advanced technologies such as drones and smart inspection robots are being utilized to enhance the reliability and efficiency of power generation and supply [3] Group 3 - The National Energy Administration is focused on ensuring stable energy supply during peak summer demand, emphasizing the importance of energy supply for public welfare and economic stability [3] - Measures are being taken to monitor and respond to extreme weather events to minimize their impact on the power system [3] - Future efforts will include strengthening electricity reliability management and ensuring the safe and stable operation of the power system [3]