Jiangsu Haifa Machinery Manufacturing Co., Ltd.

In October 2026, China Huadian's Xinjiang Mulei compressed CO₂ energy storage project was successfully connected to the grid, marking the transition of Compressed CO₂ Energy Storage (CCES) experimental validation to hundred-megawatt-scale engineering application. The project uses surplus renewable energy to drive compressors, compressing and condensing CO₂ for liquid storage while recovering compression heat; during peak periods, liquid CO₂ is re-gasified, heated, and drives a turbine to generate electricity, achieving over 6 hours of Long Duration Energy Storage. The global market is also heating up in sync. In 2026, Energy Dome is advancing 19MW/10h projects with Google and U.S.-based SRP respectively, and is building a 23MW/200MWh CO₂ Battery in Ireland. CO₂ Battery, Non-Lithium LDES, and Thermomechanical Energy Storage are becoming new professional buzzwords in the energy storage field. This technology also brings new pump equipment demands. The latest experiments show that Liquid CO₂ Pump handle transfer andurization between storage tanks underhase and supercritical pressure conditions; rapid depressurization of high-pressure storage tanks also involves complex issues such as Flash-Induced Flow Collapse and Two-Phase CO₂ Flow. Jiangsu Haifa Machinery Manufacturing Co., Ltd..jslgpump.com has established a product system covering API 610 OH, BB1–BB5, VS series, magnetic drive pumps, and high-pressure multistage pumps. For future CCES systems, customized development of materials, seals, NPSH, and high-pressure structures can be carried out around DensePhase CO₂ Pump, High-Pressure Liquid CO₂ Pump, BB5 CO₂ Booster Pump, and Sealless CO₂ Transfer Pump, while providing supporting pump solutions for heat storage, cooling, and auxiliary circulation systems. As renewable energy installed capacity increases, compressed CO₂ energy storage is from a "new energy storage concept" to engineering infrastructure, and high-pressure liquid CO₂ transportation equipment may also become an important segmented track for the localization of next-generation long-duration energy storage equipment. Chinese References: CCTV.com: "China's First Hundred-Megawatt-Scale Compressed CO₂ Storage Project Connected to Grid," October 3, 2026. The project adopts gas-liquid dual-state coordinated energy storage and can generate electricity continuously for over 6 hours. CCTV News / Chuanguan News: "Made in Sichuan! China's First Hundred-Megawatt-Scale Compressed₂ Energy Storage Project Connected to Grid for Power Generation," October 3, 202. The project is equipped with compressors, turbines, pressure storage tanks, large heat exchangers, and frequency systems. Chuanguan News / CCTV News "How Does Compressed CO₂ Energy Storage and Discharge Work?", disclosing 141 liquid CO₂ storage tanks, with a capacity of approximately 100 tons. Sina Finance. English References: Energy Dome, CO₂ Battery, 2026 — 8–24 h long-duration storage, gas-liquid CO₂ closed thermomechanical cycle and 70%+ net round-trip efficiency. Google & Energy Dome, 23MW/200M Long-Duration CO₂ Battery Project in Ireland, June 6. Energy Dome & Salt River Project, 19MW 10-hour CO₂ Battery Project, 2026. Experimental study a compressed carbon dioxide energy system under different phases, Energy Conversion and Management, 6 — using a 3kW CO₂ pump to study liquid/supercritical CO₂ energy storage processes at pressures up to 22MPa. Thermo-economic assessment of pumped thermal compressed carbon dioxide energy storage Energy, September 2026 — proposing PT-CCES with optimized round-trip efficiency reaching 67.55%. Dynamic discharge modeling of high-pressure CO₂ storage tanks for CCES, Energy Conversion and Management, September 202.