Global Energy Storage Industry Updates (October 21, 2025): Performance Highlights, Market Shifts, and Policy Trends

Tags: #Sungrow #Earnings #EnergyStorageSystem

In the first half of 2025, Sungrow reported a 40.3% year-on-year revenue increase and a 56.0% surge in net profit attributable to shareholders. The company’s business structure has shifted significantly — energy storage systems now account for 40.89% of total revenue, surpassing inverter sales to become its primary business segment. Multiple institutions forecast continued quarter-over-quarter profit growth in the second half of the year.

Tags: #CATL

STIF has signed a major cooperation agreement with global battery leader CATL, worth €5–8 million. This marks CATL’s first order for STIF’s explosion-proof battery plate project, designed for BESS safety applications. Production will take place at STIF’s Suzhou plant, with the first batch scheduled for delivery this year and ongoing shipments through 2026.

Tags: #ResidentialStorage #Market #ESS

Swedish battery unicorn Polarium is accelerating its strategic transformation to capture opportunities in the Nordic home energy storage market. Its Homevolt system is designed for stability, high efficiency, and adaptability to harsh environments. Built on safety, reliability, and aesthetics, Homevolt has gained strong traction among residential users.

Tags: #EnergyStorageSystem #Deployment #Policy

India’s energy storage deployment dropped sharply by 74% year-on-year in the first half of 2025, totaling just 49 MWh. Hybrid solar-plus-storage projects accounted for 56% of installations. Karnataka led cumulative deployment with 33% of national capacity, while the Delhi–NCR region contributed nearly 83% of newly added capacity during the period.

Tags: #EnergyStorageSystem

US-based Fortress Power has launched the eBoost energy storage system for both grid-tied and off-grid scenarios. Each unit offers 16 kWh of capacity and can scale up to 256 kWh (16 units in parallel). Designed for homes and small businesses, eBoost delivers sustainable, long-term backup power while reducing grid dependence. Its modular, mobile, and durable design enhances usability and protection.

Tags: #EnergyStorage #Construction #Market

China’s largest user-side energy storage project — the 107.12 MW / 428.48 MWh lithium battery system by Penghui Energy and Zhongfu Aluminum in Guangyuan, Sichuan — is entering the final construction phase and expected to complete by late November. Located next to Zhongfu Aluminum’s plant, the system connects directly to a 10kV distribution network, using off-peak charging and peak discharging to enhance power reliability.

Tags: #pv-magazine

Spain has revised its national grid access regulations to support energy storage integration. The new framework recognizes storage as a critical technology, granting hybrid renewable-plus-storage projects equal dispatch priority and full revenue retention for storage operations. These measures are expected to enhance competitiveness and investment in grid-integrated clean energy projects.

Tags: #Tariffs

Vietnam’s Ministry of Industry and Trade has proposed a financial incentive scheme for residential solar and storage installations. Homeowners installing solar-only systems can receive investment support ranging from VDN 1 million to VDN 1.5 billion (approx. USD 37,970–1.5 million). Additional subsidies will be available for hybrid setups that include at least 1 kW of solar and 2 kWh of storage capacity.

Tags: #Inverter

Longyuan (Beijing) New Energy Co. has unveiled a grid-forming inverter control method capable of simultaneous energy and signal transmission. Using dual droop control and harmonic communication, the system optimizes power distribution and data transfer, suitable for multi-inverter and DC-DC converter networks, improving overall efficiency.

Tags: #Inverter

Lissi Electric (Shanghai) Co., Ltd. has introduced a fast pre-charge system for active inverters, consisting of three pre-charge modules for each phase positioned between the AC source and the main circuit. The design enhances charging speed, reduces power loss, and extends service life — marking a notable improvement over conventional technologies.