Hard times for pay-as-you-go model
While sales of off-grid solar kits increased slightly in 2024, the market has not regained the momentum seen before 2022. The latest report from the industry’s professional association, Gogla, includes data for the first time on solar generators (38,000 units sold in 2024) and walk-in solar cold rooms (578 units).
Water isn’t always the best answer to BESS fires
Fire protection engineers urge a defensive approach to battery fires, focusing on preventing thermal runaway from spreading rather than putting flames out directly.
ABB launches battery storage subscription model to address capital constraints
ABB has announced a “Battery Energy Storage Systems-as-a-Service” (BESS-as-a-Service) model to add storage to C&I customers without upfront capex.
Aurora Energy Research launches PPA valuation software in Europe
Aurora Energy Research has rolled out Lumus, a contract valuation tool that helps energy market participants assess long-term risk in power purchase agreements (PPAs) across key parts of Europe.
Longi President Li Zhenguo steps down to lead R&D efforts
Li Zhenguo, president of Chinese PV manufacturer Longi, has resigned to focus on research and development, citing personal work arrangements.
All solar cell efficiencies at a glance – updated
The research group led by Professor Martin Green has published Version 66 of the solar cell efficiency tables. There are 17 new results reported in the new version.
India installs 5.93 GW of utility-scale solar in Q1
India added 5.93 GW of utility-scale solar in the first quarter of 2025, up 12.2% from the previous quarter, says JMK Research. Rooftop installations contributed another 1.34 GW.
New research shows viability of residential ice-source heat pumps
Scientists in the United Kingdom have demonstrated the feasibility of residential ice-source heat pumps in cold climates and densely populated areas. They designed a heat pump system that utilizes existing gas pipelines to transport water.
Australia sets new grid rules to speed up renewable connections
Australia’s energy market regulator will implement new grid access standards in August 2025 to streamline and cut costs for renewable energy connections.
Bulgaria inaugurates 496 MWh battery system
Bulgaria has completed a 496 MWh battery energy storage system, billed as the largest in the European Union. Crews completed the project in six months with backing from local authorities.
