Italy’s main solar event, the Key Energy fair held in Rimini, demonstrated the continuing importance of rooftop PV for Italian renewables but also promised a gradual return for large scale solar. Industry insiders are hoping for at least one gigawatt of solar next year, on top of a projected 600 MW this year.

A U.S. research group has developed a metal-carbon-nanotube composite – MetZilla – which can be embedded in commercial, screen-printable silver pastes and is said to reduce the formation of hotspots in solar modules and to prolong panel lifespan. The composite metal contacts are also ‘self-healing’ as they are able to regain electrical continuity after cycles of complete electrical failure caused by extreme strain.

A new handbook published by the World Bank and Solar Research Institute of Singapore contains advice on how to plan and build floating PV. The guide is intended to help developers with site identification; feasibility studies; finance; environmental and social issues; procurement and construction; and operations and maintenance.

Spanish researchers have discovered a material said to offer radiative cooling and self-cleaning of devices which undergo critical heating during operation, such as PV panels. The thermal emitter enabled the scientists to lower the daytime temperature of silicon wafers by 14 degrees Celsius.

Grid operator Polskie Sieci Elektroenergetyczne has published figures demonstrating the country had 1,007.2 MW of solar at the end of September, with 600 MW of new PV coming online in the first nine months of the year. The Polish government expects total capacity to reach 1.3 GW this year.

A project on Isabela Island in Ecuador’s Galapagos archipelago has given its 3,500 inhabitants energy generated by local resources, including plant oil produced on the continent. Preferable to a logistically challenging and hyper expensive extension of the mainland grid, if the $13 million island system were installed today, it would be cheaper than when it was contracted four years ago.

A 20 MW solar park is planned near a Stockholm highway to generate power for a tenants association. The project is expected to generate cheaper power than grid electricity and will also trade clean energy certificates on the Swedish-Norwegian market.

Electricity regulator ANEEL has proposed applying a fee for solar systems with up to 5 MW of generation capacity and reducing energy payments for participants in the nation’s net metering program.

The Netherlands Environmental Assessment Agency expects the nation’s solar generation capacity to have increased by another 5 GW by the end of next year, from around 4.4 GW at the end of 2018. By the end of 2023, installed PV capacity is predicted to reach approximately 15 GW.

The Korean Ministry of Defense has said the huge project will not interfere with the flight operations of U.S. forces stationed in a base near Saemangeum, an estuarine tidal flat on the coast of the Yellow Sea where the plant would be deployed.