US startup New Use Energy Solutions has launched a new line of portable PV systems built with a module technology provided by Merlin Solar. The modules are assembled in the system via a custom vinyl tarp.

Researchers in Hungary have found that a high tilt angle may increase power forecast errors in a PV installation by up to 49%. They also ascertained that
undersizing the inverters by a sizing factor of 1.5 may reduce forecast errors by up to 25%.

Swiss scientists have built a 4T tandem perovskite/CIGS mini-panel with a geometric fill factor of over 93%. It combines a 10.8%-efficient mini perovskite module and a 15.1%-efficient CIGS device.

Estonian startup Solarstone has developed two solar tiles with an efficiency of up to 19.5% and an operating temperature coefficient of -0.41% per C. It recently secured €10 million in funds to expand sales across Europe.

Spanish scientists developed a proton exchange membrane fuel cell with a bipolar plate based on a nature-inspired structure. This architecture, according to its creators, shows remarkable performance when operating at high relative humidity values of 90%.

The fire affected an area of around 5,000 square meters but did not damage the solar panels. The local fire brigade was able to control the fire in around two hours.

Researchers in the United Arab Emirates have compared the performance of compressed air storage and lead-acid batteries in terms of energy stored per cubic meter, costs, and payback period. They found the former has a considerably lower Capex and a payback time of only two years.

The authorities in Slovakia are offering rebates to cover up to 50% of the cost of buying and installing solar water heaters, PV systems with generation capacities of up to 10 kW, heat pumps, biomass systems, and solar-thermal collectors.

South Korean scientists have fabricated a busbar-free solar cell for shingled modules that uses 60% less silver than its busbar counterparts. A module with the new cells had almost the same performance as a reference shingled panel built with a conventional cell design.

JA Solar said that tests have shown that n-type modules have a 3.9% higher power yield than their p-type counterparts. TÜV Nord has confirmed the results.