Core Viewpoint - The article highlights the completion and significance of ten major engineering projects initiated by central enterprises in China, showcasing their capabilities and contributions to national development and energy security [1][22]. Group 1: Major Engineering Projects - The Longdong-Shandong ±800 kV UHVDC project, completed on May 8, 2025, is a key energy artery for China's "West-to-East Power Transmission," with a total investment of 20.2 billion yuan and a transmission capacity of 8 million kW over a distance of 915 kilometers [3][4]. - The Hainan 500 kV main grid project, fully operational by December 15, 2025, enhances the island's energy security and supports the development of clean energy and digital economy [6]. - The Tianyi IoT platform, launched in December 2025, is the world's largest public utility smart IoT platform, supporting over 700 million users and facilitating the digital transformation of various sectors [8]. - The world's largest computing power network, launched by China Mobile in August 2025, integrates advanced technologies to support national computing power network construction and digital economy development [10]. - The world's first megawatt-level compressed CO₂ thermal energy storage pilot system was completed on September 25, 2025, showcasing advancements in energy storage technology [12]. - The first 700 MW ultra-supercritical circulating fluidized bed boiler, operational since April 17, 2025, represents a significant achievement in clean coal technology [13]. - The Boao Zero Carbon Demonstration Zone, established in March 2025, is China's first region to achieve zero carbon operation through innovative projects [15]. - The Qinling North Slope integrated protection and restoration project, completed on November 30, 2025, focuses on ecological restoration and biodiversity enhancement [18]. - The Urumqi to Yuli Expressway, opened on December 26, 2025, significantly reduces travel time and is a key project in China's transportation strategy [19]. - The first pile foundation fixed offshore photovoltaic project in Yantai, completed on May 27, 2025, is expected to generate 694 million kWh annually, contributing to carbon reduction efforts [21]. Group 2: Future Outlook - Central enterprises are expected to continue their momentum into 2026, planning and initiating more super engineering projects to drive economic development and enhance the quality of life for citizens [22].

Group 1: Energy Infrastructure - The Longdong-Shandong ±800 kV UHVDC project is China's first "integrated wind-solar-thermal-storage" large-scale energy delivery project, capable of transmitting over 36 billion kWh of electricity annually to Shandong, with more than 50% from green energy sources [1][2] - The project will meet approximately 4% of Shandong's annual electricity demand, significantly contributing to ecological protection and high-quality development in the Yellow River basin [1][2] Group 2: Economic Development Initiatives - Shandong has introduced 23 new policies to enhance the Shanghai Cooperation Organization (SCO) demonstration zone, focusing on comprehensive reform, major platform construction, economic and trade cooperation, and optimizing the development environment [3][4] - The policies aim to accelerate the development of the SCO demonstration zone, positioning it as a high-level open economic area [4] Group 3: Rural Development - Shandong's government has released 20 measures to promote high-quality rural industries, targeting a per capita disposable income of over 30,000 yuan for farmers by 2027 [5][6] - The focus is on developing six key agricultural sectors and enhancing the processing of agricultural products to increase value and employment opportunities [6] Group 4: Supply Chain and Industrial Upgrades - The "Ten Chains, Hundred Groups, Thousand Enterprises" initiative aims to enhance supply chain resilience and support over 100,000 small and medium-sized enterprises through a structured chain management system [7][8] - The initiative includes the identification of key industrial chains and the development of supportive policies to drive investment and technological upgrades [8] Group 5: Youth Employment and Entrepreneurship - Shandong has implemented 26 measures to promote youth employment and entrepreneurship, focusing on service systems, expanding job channels, and creating supportive environments for young people [9][10] - The measures include establishing youth employment practice bases and promoting new job opportunities tailored for young individuals [9][10]

Core Insights - The completion and commissioning of the Longdong-Shandong ±800 kV UHVDC project marks China's first large-scale integrated energy base for wind, solar, and thermal power, facilitating cross-regional energy resource optimization and addressing energy shortages in North China while leveraging abundant resources in the West [1][4] Group 1: Project Overview - The Longdong-Shandong project has a total investment of 20.2 billion yuan and spans 915 kilometers, utilizing ±800 kV rated voltage and 8 million kW rated capacity, making it the first UHVDC project to be fully commissioned at once [4] - The project is expected to deliver 36 billion kWh of electricity annually to Shandong, equivalent to the annual electricity consumption of 10 million households, while reducing carbon dioxide emissions by approximately 16 million tons and replacing 6 million tons of coal [2][4] Group 2: Technological Advancements - The project incorporates domestically developed key technologies, including a transformer with load tap changer and DC control protection based on domestic chips, enhancing the resilience and control of China's high-end power transmission and transformation equipment supply chain [7] - The successful implementation of the project has established a new benchmark for UHV construction, marking a transition to standardized and large-scale development in the sector [7] Group 3: Strategic Importance - The project supports the construction of the "Shagouhuan" new energy base and the large-scale development of renewable energy, contributing to the high-quality development of Gansu and Shandong provinces and promoting regional coordinated development [1][4] - It plays a crucial role in enhancing the electricity supply capacity to Shandong, increasing it to 38 million kW, thereby ensuring safe and green energy use during peak summer demand [2][4]