Tesla’s solar trailer for range extension
Tesla has unveiled a fold-out solar trailer equipped with nine panels and a SpaceX Starlink satellite internet system.
Germany raises feed-in tariffs for solar up to 750 kW
The new provisions are part of the new version of the country’s renewable energy law, which was approved today by the German parliament.
Sand-based system for seasonal storage comes online in Finland
The system will provide district heating to the city of Kankaanpää in western Finland. It has 100 kW of heating power and 8 MWh of energy capacity.
One-third of global PV manufacturing capacity is at medium or high risk of bankruptcy, IEA says
A new report from the International Energy Agency stresses the importance of geographically diversifying the global PV supply chain. This would prevent supply chain vulnerability to bankruptcies and underinvestment.
CSEM, EPFL achieve 31.25% efficiency for tandem perovskite-silicon solar cell
The new world record was independently certified by the National Renewable Energy Laboratory (NREL) in the United States.
Water-based zinc-ion battery for stationary energy storage
Salient Energy developed the water-based zinc-ion battery to have the same power, performance, and footprint as lithium-ion systems without the safety risk.
Thin film solar may have carbon intensity advantage over silicon
Thin-film cadmium telluride panels may have a $0.02 to $0.04 per watt carbon cost advantage over traditional polysilicon, said the National Renewable Energy Laboratory in an analysis of embodied carbon, embodied energy, and energy payback.
Waterproof all-aluminum solar carport from China
Developed by Chinese manufacturer Enerack, the carport can host all types and sizes of solar panels and relies on waterproof technology for rain protection.
Tennet to build 40 new high-voltage stations in the Netherlands
The Dutch transmission system operator said that more grid capacity is needed to address the continuous growth of wind and solar energy, as well as that of electromobility and heat pumps.
Europe’s largest heat storage tank
The heat storage tank is 45 m high and has a capacity of 56 million liters. It will store district heating water at a temperature of 98 C and, according to Vattenfall, will use heat produced with renewable electricity coming from the grid.
