Anhui USEM Technology Co., Ltd. (hereinafter “USEM Technology”) was established in 2011 and is now a core subsidiary of HUASAI Energy Group. It is a leading company in China’s compressed air energy storage (CAES) sector.

The company is committed to providing energy companies, grid operators, and energy-intensive users with full-chain, one-stop solutions covering project R&D, equipment manufacturing, system integration, engineering construction, and operation & maintenance.

As a national-level "Little Giant" enterprise (specialized, refined, distinctive, and innovative SME) and a National High-Tech Enterprise, USEM Technology places technological innovation at the core of its development.

The core team originates from Tsinghua University, and the company has established a deep industry–academia–research integration ecosystem, including:

1. "Flexible CAES Joint Research Center" (with Tsinghua University)

2. “New Multi-Energy Storage Joint Research Institute” (with Qinghai University)

3. Postdoctoral research workstation

The company has independently mastered key technologies across the full lifecycle:

1. Process design

2. Equipment development

3. System integration

4. Commissioning & testing

5.Optimization & operation

It is among the first to achieve GW-scale CAES power plant design, construction, and operation capability.

Industrial Achievements

USEM Technology has established multiple industry benchmarks:

1. Participation in the world’s first commercial non-supplementary CAES plant

2. Leadership in the world’s first high-cold wide-sliding-pressure CAES plant

3. Ongoing development of one of the world’s largest CAES projects (Zhuozi, Inner Mongolia)

The company has achieved multiple technological breakthroughs in non-supplementary CAES, with over 10 GW of projects under development and pipeline, and maintains leading market share and brand influence.

It has also established long-term strategic partnerships with leading energy companies in China.

Awards & Recognition

1. Gold Medal, Geneva International Exhibition of Inventions

2. National Benchmark Enterprise for Land-Use Efficiency

3. First Prize, Electric Power Science & Technology Progress

4. Anhui Science & Technology Progress Award

5. Major First-of-a-Kind Equipment Award

6. China Long-Duration Energy Storage Pioneer Award

7. Best New Energy Storage Technology Innovation Award

8. Most Influential Enterprise Award