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Markets & Policy
Study finds POLO back junction solar cells could outperform PERC on costs in Europe A German research team conducted a techno-economic analysis of POLO back-junction (BJ) solar cells in Germany, finding that they can offer significant cost and efficiency advantages over PERC technology. Their results show that POLO BJ enables lower production costs, reduced silver use, and lower levelized electricity costs, making it a promising candidate for competitive European PV manufacturing.
Emiliano Bellini
May 26, 2026
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Research & Development
On-road tests show strong impact of shading on vehicle-integrated photovoltaics Japanese researchers conducted a large-scale field study on 200 commercial trucks to evaluate the real-world performance and fuel-saving potential of vehicle-integrated photovoltaics (VIPV). Their results show that VIPV systems can reduce alternator load and fuel consumption by about 5.5–7%, with roughly 70% of horizontal solar irradiance effectively reaching vehicle surfaces and around 85% of PV output directly offsetting alternator demand under real operating conditions.
Emiliano Bellini
May 26, 2026
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Applications & Installations
Australia seeks 5 GW renewable generation in new tender The Australian government has officially launched the latest tender in its Capacity Investment Scheme initiative, a competitive round targeting 5 GW of renewable energy generation capacity in the National Electricity Market.
David Carroll
May 26, 2026
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Research & Development
JA Solar, Gold Stone Energy claim world’s highest efficiency for silicon solar cells with 28.2%-efficient back contact device The result was certified by TÜV Rheinland and represents the highest efficiency ever recorded for a single-junction silicon solar cells.
Vincent Shaw
May 25, 2026
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Markets & Policy
Cuba raises renewable electricity export tariff 30-fold Cuba has introduced a new tariff of CUP 90 ($3.75)/kWh for surplus renewable electricity exported to the national grid, replacing a lower differentiated pricing system for residential and non-residential producers.
Luis Ini
May 25, 2026
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Markets & Policy
EU awards €400 million to 65 industrial heat projects in auction The European Commission has awarded €400 million ($465.7 million) to 65 industrial heat decarbonization projects across 10 European countries in its first Innovation Fund heat auction, targeting electrification and renewable heat technologies in energy-intensive industries.
Brian Publicover
May 25, 2026
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Applications & Installations
An uncomfortable truth: What Spain’s blackout really showed Spain and Portugal experienced a historic blackout caused not by cyberattacks or renewables alone, but by a fast-moving overvoltage event that exposed weaknesses in voltage control, grid coordination, and legacy operating practices in a renewable-heavy power system. Investigations concluded the outage was multifactorial, prompting Spain and Portugal to reform voltage-control rules, expand grid resilience measures, and accelerate deployment of batteries, grid-forming technologies, and renewable-based voltage support to stabilize future electricity networks.
Ricardo PLC
May 25, 2026
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Applications & Installations
San Marino launches solar acquisition program San Marino’s public utility is inviting investors to sell solar assets or development-stage companies under a new program aimed at increasing domestic renewable generation and long-term energy security.
Lara Morandotti
May 25, 2026
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Markets & Policy
Wind and solar overtake gas in global electricity generation in April Wind and solar generation exceeded gas-fired electricity production worldwide for the first time in a single month in April 2026, according to analysis from Ember, as renewables reached a record 531 TWh.
Pilar Sánchez Molina
May 25, 2026