Digital transformation in off-grid solar: A comprehensive roadmap for practitioners
As off-grid solar systems expand to serve remote and underserved communities worldwide, digitalization has become a crucial need for efficient project development, implementation, and long-term sustainability. A new report from IEA PVPS Task 18 systematically explores digital tools across the entire off-grid energy project value chain, providing much-needed guidance for practitioners looking to optimize their operations.
How to size PV systems and batteries
Experts from Fonte Solar, Huawei, and Greener have exchanged solar-plus-storage tips, insights, and case studies at the invitation of pv magazine. In a panel at Intersolar South America 2025, they highlighted the need to understand consumption profiles and customer needs, as well as the technology’s limitations and potential.
Freen launches scalable sodium-ion battery storage
The Estonian home and commercial storage systems come in low- and high-voltage models. The high-voltage option can scale to ten modules, for 100.8 kWh, and a six-module, low-voltage version to 45 kWh.
Navigating One Big Beautiful Bill and tariffs in U.S. solar PV and storage
Turning challenges into opportunities as the U.S. solar and storage sectors enter a phase of major policy and market realignment.
Argentina awards 667 MW in inaugural battery storage tender
In addition to awarding 30% more capacity than originally planned, Argentina’s first battery energy storage tender could allocate an additional 222 MW to bidders willing to match the highest awarded price.
All-perovskite PV-powered battery for portable electronics
Scientists have used a dual-functional, material-sharing strategy with ethyl viologen diiodide to achieve synergistic performance enhancement in PV-powered batteries. The system was reportedly able to power a wearable glucose monitor for 24 hours.
Brazil’s Powersafe unveils all-in-one C&I battery storage product
Featuring Brazilian engineering, Powersafe is investing in its versatile solution and being official distributor of Ecoflow’s portable power stations in Brazil.
Australia’s sodium-ion energy storage technology launches in Europe
After witnessing strong demand for its sodium-ion technology at home, Australian company PowerCap is bringing its stationary storage products to the European market. The initial launch will cover Italy, Germany, and Spain, with further expansion on the cards. The starting price is expected to be around €500 per kilowatt-hour of storage capacity.
EVE showcases 6.9 MWh storage system, targets Q3 scale-up
China’s EVE Energy recently presented a 6.9 MWh battery energy storage system integrating its 628 Ah cells and announced its 2025 half-year results.
Novel MPPT technique for EV charging combined with PV, fuel cells
Scientists in India have designed a system that uses PV panels, a proton-exchange membrane fuel cell, battery storage, and a supercapacitor. It also relies on an adaptive neuro-fuzzy inference system-based MPPT that reportedly achieves an efficiency of 98.7%.
