Top 7 China Energy Storage Companies 2025
China's energy storage market reached 100 GWh of cumulative installed capacity in 2025, making it the world's largest energy storage market. Battery energy storage systems (BESS) dominate new installations at 70%+ of annual additions, followed by pumped hydro at 25% and emerging technologies including compressed air, flow batteries, and hydrogen storage at 5%. The market grew 80% year-over-year driven by renewable integration mandates and declining battery costs.
TL;DR: China's energy storage reaches 100 GWh cumulative capacity with 80% YoY growth. CATL leads with 30% market share in utility-scale BESS while BYD's Blade Battery storage systems deploy across 30+ countries for residential and commercial applications.
Top Companies
CATL (宁德时代)
30% utility BESS market shareCATL is China's largest and the world's second-largest battery energy storage system supplier. Its EnerOne and EnerC containerized BESS products are deployed at utility-scale projects exceeding 50 GWh cumulative installations. CATL's sodium-ion and M3P battery technologies are reducing storage costs below RMB 0.3/Wh.
BYD (比亚迪)
Blade Battery storageBYD leverages its Blade Battery (LFP) technology for energy storage, offering residential and commercial ESS products. BYD Storage has deployed systems in 30+ countries with 20+ GWh cumulative capacity, particularly strong in European and Australian residential markets.
Huawei Digital Power (华为数字能源)
Smart inverter + storageHuawei Digital Power provides integrated smart inverter and energy storage solutions for utility-scale and C&I (commercial and industrial) applications. Its FusionSolar storage systems integrate AI-powered energy management, with 15+ GWh deployed globally and growing market share in Chinese utility projects.
Xinhuaneng (新华水电)
Pumped hydro leaderXinhuaneng operates China's largest portfolio of pumped hydro storage facilities, with 40+ GW of installed capacity. As a subsidiary of State Power Investment Corporation (SPIC), it leads the traditional pumped hydro segment and is developing next-generation variable-speed pumped hydro technology.
Hithium (海辰储能)
280Ah LFP storage leaderHithium has rapidly grown to become China's third-largest BESS supplier, specializing in large-format 280Ah LFP cells for utility-scale storage. Founded in 2019, it achieved 20+ GWh annual production capacity and supplies major Chinese and international EPC contractors.
Rongke Power (融科储能)
Vanadium flow battery leaderRongke Power is China's and the world's leading vanadium redox flow battery (VRFB) manufacturer. Its flow batteries offer 20+ year cycle life with minimal degradation, ideal for long-duration storage. Rongke has deployed 500+ MWh of VRFB systems across China, Japan, and Europe.
CGN Energy Storage (中广核储能)
Nuclear + storage integrationCGN (China General Nuclear) develops energy storage projects integrated with nuclear power plants and renewable energy bases. Its storage portfolio includes BESS, pumped hydro, and compressed air energy storage (CAES), with 5+ GWh of operational storage capacity across multiple Chinese provinces.
Comparison Table
| Company | Technology | Cumulative Capacity | Key Product | Target Market |
|---|---|---|---|---|
| CATL | LFP BESS | 50+ GWh | EnerOne/C container | Utility-scale |
| BYD | Blade Battery LFP | 20+ GWh | Premium ESS | Residential, C&I |
| Huawei | Inverter+BESS | 15+ GWh | FusionSolar | Utility, C&I |
| Hithium | 280Ah LFP BESS | 10+ GWh | Large-format cells | Utility-scale |
| Rongke Power | Vanadium flow | 500+ MWh | VRFB systems | Long-duration |
| Xinhuaneng | Pumped hydro | 40 GW | Hydro facilities | Grid-scale |
| CGN | Multi-technology | 5+ GWh | Integrated systems | Grid balancing |
Frequently Asked Questions
How fast is China's energy storage market growing?
China's energy storage market grew 80% YoY in 2024, adding 30+ GWh of new capacity. Growth is driven by provincial renewable portfolio standards requiring 10-20% storage co-location with new wind/solar projects, declining LFP battery costs below RMB 0.4/Wh, and time-of-use electricity pricing reforms creating storage arbitrage opportunities.
What energy storage policies does China have?
Key policies include: mandatory storage co-location requirements for new renewable projects (10-20% capacity, 2-4 hours), energy storage participation in spot market trading, peak-valley electricity pricing to incentivize storage, and provincial subsidies for demonstration projects. The National Energy Storage Development Plan targets 100 GW by 2030.
What are China's long-duration storage plans?
China is developing multiple long-duration energy storage (LDES) technologies: vanadium flow batteries (Rongke Power leading), iron-air batteries, compressed air energy storage (CAES), and hydrogen storage. The government aims for 10+ GW of LDES capacity by 2030 to address multi-day and seasonal storage needs for high renewable penetration scenarios.
How does China's pumped hydro storage compare to battery storage?
China has over 30 GW of pumped hydro storage, the world's largest fleet, primarily built by State Grid and China Three Gorges. While battery storage is growing fast, pumped hydro still accounts for over 90% of China's total installed storage capacity due to its lower cost per kWh and decades-long operational lifetime.
What standards govern energy storage safety in China?
China's GB/T 36276 standard sets strict requirements for lithium battery storage systems, covering thermal runaway prevention, fire suppression, and cell-level monitoring. The NEA mandates real-time BMS data reporting for grid-connected storage stations above 10 MWh.