Top 10 Technological Innovation Achievements in the Energy Industry for 2025
100MW Class Multi-Tower Single-Unit Concentrated Solar Power Plant Concentrating and Heat Collection System
Multi-tower single-unit concentrated solar power technology is an important path to achieve large-capacity and low-cost development of solar thermal resources. This achievement pioneered the multi-tower single-unit concentrating and heat collection system architecture, overcoming key technical and equipment challenges such as multi-tower joint concentrating design algorithms, high-precision heliostats, and core materials for heat absorbers, effectively improving system integration and resource utilization. The achievement has been applied to the 700,000-kilowatt "Solar Thermal Energy Storage +" project in Guazhou, Jiuquan, Gansu, providing technical reference for the construction of a number of supporting and regulating new energy power stations dominated by concentrated solar power in the desert and gobi areas of northwest China.
(Completing Unit: China Three Gorges Corporation)
500MW Class Large-Scale Impulse Hydrogenerator Complete Set
Large-scale impulse turbines are core technical equipment for high-head, large-capacity, and high-altitude hydropower stations. This achievement focused on tackling key issues of core equipment such as runners and water distribution ring pipes for large-scale impulse hydroelectric units, established an optimal hydraulic design system for runners under extreme working conditions, broke through technical and equipment difficulties such as ultra-thick complex curved surface welding, and successfully developed the world's largest impulse runner with an outer diameter of 6.23 meters and the world's largest and heaviest single pressure-bearing flow component. The achievement will be applied to the Zala Hydropower Station in Tibet, providing strong support for the construction of hydropower bases in southwest China.
(Completing Units: Harbin Electric Group, Dongfang Electric Group, China Datang)
2MW Liquid Fuel Thorium-Based Molten Salt Experimental Reactor Complete Technical Equipment
Thorium-based molten salt reactor is a fourth-generation advanced nuclear energy system using thorium as nuclear fuel and high-temperature molten salt as coolant, with advantages such as inherent safety, atmospheric pressure operation, and high-temperature output. This achievement has formed key technologies including integrated design of reactor body and main loop, high-temperature nickel-based alloys resistant to molten salt corrosion, ultra-fine pore nuclear graphite materials, high-purity molten salt, and large-scale preparation of liquid fuel salt. Based on this achievement, the 2MW liquid fuel thorium-based molten salt experimental reactor (TMSR-LF1) achieved thorium-uranium nuclear fuel conversion for the first time in November 2025, demonstrating the technical feasibility of using thorium resources in thorium-based molten salt reactor nuclear energy systems and providing key technical support for the large-scale utilization of thorium resources in the future.
(Completing Unit: Shanghai Institute of Applied Physics)
700MW Class High-Efficiency Ultra-Supercritical Circulating Fluidized Bed Boiler
High-efficiency ultra-supercritical circulating fluidized bed power generation is an important technical path for the clean and efficient utilization of low-quality coal such as coal slime and gangue. This achievement has overcome the technical difficulties of ultra-supercritical, ultra-low emission, and ultra-low energy consumption circulating fluidized bed power generation, achieving a leapfrog breakthrough in circulating fluidized bed power generation technology from supercritical to high-efficiency ultra-supercritical. Compared with traditional supercritical circulating fluidized bed units, it can reduce the power supply coal consumption by about 20 grams per kilowatt-hour and has more excellent flexible adjustment capabilities. The achievement has been applied to power generation projects such as Shaanxi Coal Binchang, Yunnan Energy Investment Honghe, and Guoyue Shaoguan, providing strong support for the construction of a new generation of coal-fired power plants.
(Completing Units: Harbin Electric Group, Dongfang Electric Group, Shanghai Electric)
UHV DC Transmission Converter Transformer On-Load Tap Changer Equipment
As a core component of the converter transformer, the on-load tap changer can realize dynamic voltage regulation without power outage, and is an indispensable "precision gearbox" for UHV DC transmission projects to maintain stable power and economical and flexible operation. This achievement has overcome the complete set of technologies for independent design, manufacturing, and testing of large-capacity on-load tap changers, developed the world's highest parameter 6000kVA class on-load tap changer with complete independent intellectual property rights, achieving 1.5 million mechanical life and 300,000 maintenance-free switching operations. It has been demonstrated and applied in the Longdong to Shandong ±800kV UHV DC transmission project, providing a solid support for the large-scale outward transmission of clean energy power.
(Completing Unit: State Grid Corporation of China)
Power Solver "Tianquan"
The solver is the core engine for power market clearing calculations and a key technology for realizing large-scale centralized and unified optimal allocation of power resources. This achievement developed China's first set of power solvers, supporting the 24-hour uninterrupted operation of the Southern Regional Power Market, the world's largest centralized and unified clearing power market. The calculation scale exceeds 2.1 million constraints and 2.3 million variables, and the calculation results control the power generation operation of more than 3,000 units in five southern provinces, providing strong guarantee for the construction of a national unified power market.
(Completing Unit: China Southern Power Grid)
Unmanned Transportation System for Extra-Large Open-Pit Coal Mines
Digital and intelligent construction is an effective means to improve the safety production level and production efficiency of coal mines. This achievement carried out unmanned transformation for existing open-pit coal mine trucks, overcoming key technical equipment such as precise line control of super-large tonnage mine trucks, precise navigation in complex terrain, compatibility and collaboration of multi-vendor equipment, and safety prevention and control under extreme working conditions, filling the gap in large-scale unmanned transportation technology for 300-ton class trucks in extra-large open-pit mines. The achievement has been applied in a number of extra-large open-pit coal mines with an annual output of over 30 million tons, strongly supporting the digital and intelligent upgrading of traditional mines.
(Completing Unit: National Energy Group)
Large-Diameter Oil and Gas Pipeline Welding Robot
Welding robots are important equipment for the digital and intelligent transformation of oil and gas pipeline engineering construction. This achievement has overcome key technologies such as adaptive welding under complex field conditions, precise intelligent control of the whole process, and fusion of multi-modal perception systems, promoting pipeline welding from "programmed execution" to "autonomous decision-making" and filling the gap in intelligent welding technology and equipment for large-diameter pipelines. The achievement has been applied to major projects such as the West-East Gas Pipeline Third Line and the Sichuan-East Gas Transmission Second Line, effectively improving the digital and intelligent level and construction efficiency of long-distance oil and gas pipelines.
(Completing Unit: China Oil & Gas Pipeline Network Corporation)
Large-Capacity Solid-Liquid Hybrid Lithium-Ion Battery Energy Storage System
Solid-liquid hybrid lithium-ion batteries retain part of the liquid electrolyte and improve performance by adding solid electrolyte materials, with characteristics such as high safety, high efficiency, and high energy density, and have broad application prospects. This achievement developed a 314Ah large-capacity solid-liquid hybrid lithium-ion energy storage battery, realizing multi-functional composite application of energy storage systems through topology and control strategy innovation, with complete independent intellectual property rights. The achievement has been applied to the 200MW/400MWh new electrochemical energy storage power station project in Shanwei Overseas Chinese Management Zone, Huadian, Guangdong, promoting the large-scale application of solid-liquid hybrid battery energy storage technology to a new level.
(Completing Units: China Huadian Corporation, China Energy Engineering Group, Weilan New Energy)
Large-Scale Green Electricity-Hydrogen-Ammonia Integrated Flexible Synthesis Technology and Equipment
The integrated utilization of green electricity, hydrogen, and ammonia provides an important path for large-scale non-electric consumption of new energy. This achievement has built a green hydrogen-ammonia technology and equipment system with complete independent intellectual property rights, improved the load regulation range and technical economy of the electricity-hydrogen-ammonia system, and realized the synergy from fluctuating new energy to stable chemical products. Based on this achievement, the Jilin Da'an wind-solar power to green hydrogen for ammonia synthesis integrated demonstration project and the first phase of the Jilin Songyuan Hydrogen Energy Industrial Park (green hydrogen-ammonia-methanol integration) project were put into operation in July and December 2025 respectively, strongly promoting the large-scale development of the green hydrogen-ammonia industry.
(Completing Units: China Energy Engineering Group, State Power Investment Corporation)
Source: National Energy Administration
Top 10 Technological Innovation Achievements in the Energy Industry for 2025
