The specific Top 10 Technological Innovation Achievements in the Energy Industry for 2025 are as follows:
- 100 MW Class Multi-Tower Single-Unit Concentrated Solar Power (CSP) Field Concentrating and Heat Collection System
The multi-tower single-unit CSP technology is a crucial path for the large-scale and low-cost development of solar thermal resources. This achievement pioneers the architectural design of a multi-tower single-unit concentrating and heat collection system, surmounting key technical and equipment challenges including multi-tower joint concentrating design algorithms, high-precision heliostats, and core absorber materials. It effectively enhances system integration and resource utilization efficiency. The technology has been applied in the 700 MW “CSP + Energy Storage” project in Guazhou, Jiuquan, Gansu, providing a technical reference for the construction of supporting adjustment-type new energy power stations dominated by CSP in the vast sandy and barren regions of the northwest.(Completing Unit: China Three Gorges Corporation)
- 500 MW Class Large-Scale Impulse Turbine Generator Set
Large-scale impulse turbines are core technical equipment for high-head, large-capacity, and high-altitude hydropower stations. This achievement focuses on key equipment such as the impeller and water distribution pipe of large-scale impulse turbine units, constructing an optimal hydraulic design system for the impeller under extreme operating conditions. It overcomes technical and equipment challenges including ultra-thick complex curved surface welding, and has successfully developed the world’s largest impeller with an outer diameter of 6.23 meters and the world’s largest and heaviest single pressure-bearing flow component. The technology will be applied in the Zala Hydropower Station in Xizang, providing strong support for the construction of the Southwest Hydropower Base.(Completing Units: Harbin Electric Group Corporation, Dongfang Electric Corporation, China Datang Corporation)
- 2 MW Liquid-Fuel Thorium Molten Salt Experimental Reactor Complete Set of Equipment
The thorium molten salt reactor is a fourth-generation advanced nuclear energy system that uses thorium as nuclear fuel and high-temperature molten salt as a coolant, featuring inherent safety, atmospheric pressure operation, and high-temperature output. This achievement forms key technologies including the integrated design of the reactor body and primary circuit, high-temperature nickel-based alloys resistant to molten salt corrosion and ultra-fine-pore nuclear graphite materials, and the large-scale preparation of high-purity molten salt and liquid fuel salt. Based on this achievement, the 2 MW liquid-fuel thorium molten salt experimental reactor (TMSR-LF1) achieved the first thorium-uranium nuclear fuel conversion in November 2025, demonstrating the technical feasibility of utilizing thorium resources in the thorium molten salt reactor nuclear energy system and providing critical technical support for the large-scale utilization of thorium resources in the future.(Completing Unit: Shanghai Institute of Applied Physics, Chinese Academy of Sciences)
- 700 MW Class High-Efficiency Ultra-Supercritical Circulating Fluidized Bed Boiler
High-efficiency ultra-supercritical circulating fluidized bed power generation is a crucial technical path for the clean and efficient utilization of low-quality coal such as coal slime and gangue. This achievement overcomes technical challenges in ultra-supercritical, ultra-low-emission, and ultra-low-energy-consuming circulating fluidized bed power generation, achieving a step-change breakthrough in circulating fluidized bed power generation technology from supercritical to high-efficiency ultra-supercritical levels. Compared with traditional supercritical circulating fluidized bed units, it can reduce the power supply coal consumption by approximately 20 grams per kilowatt-hour and offers superior flexible regulation capabilities. The technology has been applied in power generation projects such as Shaanxi Coal Industry Binchang, Yunnan Energy Investment Honghe, and Guoyue Shaoguan, providing strong support for the construction of the next generation of coal-fired power plants.(Completing Units: Harbin Electric Group Corporation, Dongfang Electric Corporation, Shanghai Electric Group Corporation)
- UHV DC Transmission Converter Transformer On-Load Tap Changer Equipment
As a core component of the converter transformer, the on-load tap changer enables dynamic voltage regulation without power outage, serving as an indispensable “precision gearbox” for the stable and economically flexible operation of UHV DC transmission projects. This achievement surmounts the complete set of technologies for the independent design, manufacturing, and testing of large-capacity on-load tap changers, developing a 6000 kVA class on-load tap changer with the world’s highest parameters and full independent intellectual property rights. It achieves a mechanical life of 1.5 million cycles and 300,000 maintenance-free switching operations, and has been demonstratively applied in the ±800 kV UHV DC transmission project from Longdong to Shandong, providing solid support for the large-scale transmission of clean energy power.(Completing Unit: State Grid Corporation of China)
- Power Solver “Tianquan”
The power solver is the core engine for power market clearing calculations and a key technology for achieving centralized and unified optimization of power resources on a large scale. This achievement has developed China’s first set of power solvers, supporting the 24-hour uninterrupted operation of the largest centralized clearing power market in the world—the Southern China Power Market. With a calculation scale exceeding 2.1 million constraints and 2.3 million variables, the solver’s results control the operation of over 3,000 units in five southern provinces, providing strong guarantee for the construction of a unified national power market.(Completing Unit: China Southern Power Grid)
- Extra-Large Open-Pit Coal Mine Unmanned Transportation System
The digital and intelligent construction is an effective means to improve the safety and production efficiency of coal mines. This achievement conducts unmanned transformation of existing open-pit coal mine trucks, surmounting key technical and equipment challenges including precise line control of ultra-large-tonnage trucks, precise navigation in complex terrain, multi-vendor equipment compatibility and coordination, and safety prevention and control under extreme working conditions. It fills the technical gap in the large-scale unmanned transportation of 300-ton-class trucks in extra-large open-pit mines. The technology has been applied in multiple extra-large open-pit coal mines with an annual output of over 30 million tons, effectively 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. This achievement surmounts key technologies including adaptive welding under complex field conditions, full-process precise intelligent control, and multi-modal perception system integration, promoting pipeline welding from “programmed execution” to “autonomous decision-making” and filling the technical gap in intelligent welding of large-diameter pipelines. The technology has been applied in major projects such as the Third West-East Gas Transmission Pipeline and the Second East-West Gas Transmission Pipeline, effectively enhancing the digital and intelligent level and construction efficiency of long-distance oil and gas pipelines.(Completing Unit: National Pipeline Network Group 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 enhance performance by adding solid electrolyte materials, featuring high safety, high efficiency, and high energy density, with broad application prospects. This achievement has developed a 314 Ah large-capacity solid-liquid hybrid lithium-ion energy storage battery, realizing multi-functional composite application of the energy storage system through topological and control strategy innovation, and possesses full independent intellectual property rights. The technology has been applied in the 200 MW/400 MWh new-type electrochemical energy storage power station project in the Overseas Chinese Management Zone of Shanwei, Guangdong, driving the large-scale application of solid-liquid hybrid battery energy storage technology to a new stage.(Completing Units: China Huadian Corporation, China Energy Engineering Corporation, Weilan New Energy)
- Large-Scale Green Power-to-Hydrogen-to-Ammonia Integrated Flexible Synthesis Technology and Equipment
The integrated utilization of green power-to-hydrogen-to-ammonia provides an important path for the large-scale non-electric consumption of new energy. This achievement constructs a fully independent intellectual property rights-based green hydrogen-ammonia technology and equipment system, improving the load regulation range and technical economy of the power-to-hydrogen-to-ammonia system, and realizing the coordination from fluctuating new energy to stable chemicals. The Jilin Daan wind-solar hybrid green hydrogen production and ammonia synthesis integrated demonstration project and the first phase of the Jilin Songyuan Hydrogen Energy Industrial Park (green hydrogen-ammonia-alcohol integrated) project based on this achievement were put into operation in July and December 2025 respectively, effectively promoting the large-scale development of the green hydrogen-ammonia industry.
