SHANGHAI, May 24, 2023 /PRNewswire/ — SOFAR, the world’s leading provider of PV and ESS solutions, introduces its latest utility ESS innovation, SOFAR PowerMaster, incorporated with state-of-the-art technological advances at SNEC 2023.

The launch of the wholly in-house developed PowerMaster marks a milestone in the company’s wide range of PV and ESS solutions for all scenarios. It can be seen as a portfolio of 5 key game-changers that are pioneers in the utility ESS sector, able to address key pain points by increasing energy yields at lower cost, safe and 24/7 operational.

Industry Leading Hybrid Cooling System

The innovative combination of air and liquid cooling system provides intelligent control that can reduce heat dissipation loss by about 30% and prevent condensation in the battery compartments, thus achieving efficient and constant cooling. Apart from this, the system comes with a lower battery temperature difference ≤2.5℃, capable of keeping battery cells within the optimal temperature range and helping to extend battery life by 14 %.

Maximum security verified

Maintaining strict security priorities, SOFAR PowerMaster is equipped with 3+2 security systems including triple FFS (Fire Suppression System), flammable gas emission, and explosion-proof design to prevent secondary combustion. Meanwhile, the built-in safety design effectively protects cells against short-circuit current or high voltage, ensuring stable operation throughout the day.

flexible expansion

The modular design is highly adaptable and capable of expanding the storage capacity of a single chamber up to 3.93 MWh, which is ideal for flexible capacity expansion needs. Additionally, intelligent rack-level management increases system offload capacity by 7%. By virtue of the three-tier topology and a maximum conversion efficiency of 99%, the system maintains less losses and optimal energy performance.

Optimized costs with lower LCOS

The highly integrated design and refined management further improve energy yields and offer lower LCOS for inverters compared to traditional energy storage systems. Compatible with 320Ah cells, it minimizes the initial investment cost and allows a higher energy density. Therefore, SOFAR PowerMaster is expected to be one of the most prudent choices for energy storage in the utility sector.

intelligent control

To streamline the management process, SOFAR PowerMaster adopts real-time automatic coordination control which ensures PCS runs at full power. In addition, intelligent control algorithms make flexible and adjustable system capacity possible.

Yu Feng, Vice President of SOFAR, notes that SOFAR PowerMaster is expected to inspire a technological revolution in the utility ESS sector, by being completely self-developed on the basis of ten years of accumulated R&D strength. “As a leading player in the global energy storage market, SOFAR has been recognized by customers around the world.In addition, in collaboration with TÜV Rheinland, we have embarked on the development of the utility ESS white paper.We are excited about what is to come while we focus on delivering advanced technological advances to build a more sustainable society for all,” he added.


SOFAR is a world leading provider of solar PV and energy storage solutions and is committed to being the leader of digital energy solutions with a comprehensive portfolio, including PV inverters, hybrid inverters, battery storage system, energy storage central and intelligent energy management solutions for residential, C

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