Fraunhofer ISE opens perovskite-silicon tandem scale-up lab
Fraunhofer Institute for Solar Energy Systems ISE has opened a dedicated lab in Freiburg, Germany, to scale perovskite-silicon tandem cell designs to large wafer formats using industry-standard processes.
Brazil revokes 3.57 GW of solar permits amid grid connection constraints
Brazil’s Aneel has revoked 3.57 GW of photovoltaic project authorizations across four resolutions, mainly at the request of developers citing insufficient grid evacuation capacity and rising curtailment.
Solex Energy plans 5 GW solar cell factory in India
The Indian manufacturer is investing around $420 million to expand its manufacturing footprint alongside efforts to advance high-efficiency PV technologies through its partnership with ISC Konstanz.
Trina launches rooftop solar module with lower-voltage design
The Chinese manufacturer has launched an “Australia specific” variant of its Vertex S+ modules featuring a power output of 515 W and a maximum efficiency of 24.65%. Its lower-voltage design reportedly enables more flexible string sizing, allowing installers to optimize system layouts across a range of inverter configurations.
EU solar and storage push could cut power system costs by nearly half
A scenario analysis by SolarPower Europe, modeled by Rystad Energy, finds that accelerating PV and battery storage deployment could save the European Union €223 billion ($260.7 billion) in gas imports between 2026 and 2030 and reduce wholesale electricity prices by 14% compared with 2025 levels.
Indonesia tenders 1.2 GW of solar
Indonesia’s PLN has launched a tender for a 1,225 MW solar project that will be spread across several regions of the country. The state-owned utility has not publicly announced a closing date.
Dutch regulator plans grid fee for large solar producers
The Netherlands Authority for Consumers and Markets is progressing with plans to introduce a grid fee that would see large-scale electricity producers, including solar power plants, contribute to the costs of the electricity grid. Its introduction is expected no earlier than January 2032.
France publishes specifications for 925 MW ground-mounted solar tender
The French energy regulator has released the specifications for the ninth period of the PPE2 ground-mounted solar auction, covering projects above 500 kW and setting a submission deadline of July 30, 2026.
Solar sector raises $11.1 billion in Q1 2026 as debt financing hits decade high
Global corporate funding in the solar sector reached $11.1 billion in the first quarter of 2026, with debt financing at its highest level in more than 10 years, says Mercom Capital Group.
Home batteries earn during negative electricity price spikes
When wholesale electricity prices drop below zero during periods of excess renewable generation, as they did over the recent holiday weekend in Europe, flexibility becomes a revenue source.
