Global Energy Storage Industry Updates | September 18, 2025: Enphase GaN Microinverter, Sungrow’s Sicily ESS, and Europe’s Policy Shifts

Published PM GMT+8 GMT+8, September 18, 2025,

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Corporate News
[United States] Enphase Launches 97.5%-Efficient GaN-Based Microinverter
Tag: #Enphase Energy
Enphase Energy has introduced the IQ9N-3P, a microinverter built with Gallium Nitride (GaN) technology, delivering a record 97.5% conversion efficiency. Designed for 480 V commercial-scale solar projects, this GaN-based microinverter replaces traditional silicon components, enabling faster switching, cooler operation, and improved reliability.
[Italy] Sungrow and EP Partner on 220 MWh Energy Storage Project in Sicily
Tag: #Sungrow

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

Sungrow has signed a supply agreement with EP to deliver a 100 MW/220 MWh energy storage system (ESS) in Sicily. The project will enhance grid stability, boost renewable integration, and support Italy’s clean energy transition.
Industry Developments
[Europe] Cube Energy and Paneco Form 2.5 GWh Energy Storage Partnership
Tag: #Energy Storage #Partnership

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

Cube Energy and Paneco have entered a strategic collaboration in battery energy storage systems (BESS), targeting approximately 2.5 GWh of capacity for grid-connected projects across Europe.
[South Korea] DS Danseok Accelerates ESS Commercialization Strategy
Tag: #에너지 저장시스템

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

Leading circular energy enterprise DS Danseok has signed an ESS technology cooperation agreement with the Korea Institute of Energy Technology. The partnership will drive joint research, talent exchange, and accelerate the commercialization of ESS solutions.
[China] China Power Leads First National Standard for Energy Storage Station Archives
Tag: #Energy Storage #Standard

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

China Power has secured approval from the National Energy Administration to lead the country’s first standard on archiving and management of energy storage station documents. The guideline establishes a full-lifecycle documentation system, addressing the current lack of standardized practices.
Policy Directions
[Europe] Germany to Phase Out Fixed Tariffs for Renewables, Shift to Market-Based Support
Tag: #Home Energy Storage

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

Germany’s Ministry for Economic Affairs will gradually phase out fixed-price feed-in tariffs for new renewable projects, replacing them with market-based support in alignment with EU directives. Minister Katherina Reiche emphasized that the reform aims to lower energy costs while ensuring energy targets remain achievable.
[China] Policy 1192 Secures Five Key Benefits for Industrial & Commercial Solar PV
Tag: #Solar Policy #Energy Storage Deployment

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

China’s National Energy Administration has released Document No. 1192, ensuring five major benefits for the industrial and commercial solar PV sector. Key measures include priority for local consumption, adjusted electricity pricing mechanisms, and simplified cross-wall power sales—enhancing profitability for distributed PV projects.
Emerging Technologies
[Utility Model] Piezoelectric-Powered Uninterruptible Power Supply (UPS)
Tag: #UninterruptiblePower

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

Dalian University of Technology’s Panjin Industrial Technology Research Institute and Dandong Huatuo Measurement & Control have unveiled a UPS system powered by piezoelectric generation. The system converts vibrations into electricity via multiple piezoelectric oscillators, offering a simple structure with high energy conversion efficiency.
[Utility Model] Power Switching Circuit for Energy Storage Systems
Tag: #Inverter

Stay updated with the latest global energy storage news for September 18, 2025: Enphase launches a 97.5%-efficient GaN microinverter, Sungrow secures a 220 MWh ESS project in Sicily, Cube Energy and Paneco partner for 2.5 GWh capacity in Europe, while Germany shifts renewable subsidies to market-based mechanisms.

China Shipbuilding Power Research Institute has disclosed a power switching circuit designed for energy storage applications. Featuring grid input lines and switch groups within a dedicated cabinet, the system enables flexible switching under different operating conditions, improving battery utilization and power supply reliability.

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