The International Renewable Energy Agency (IRENA) told Berlin Energy Transition Dialogue participants this week that USD 5.4 trillion ($8 trillion) of annual investment is needed to support the global shift to renewables. Kenyan President William Ruto, meanwhile, called for a fair energy partnership between Europe and Africa.

The discussion about the extent to which forced labor exists in the solar value chain continues. A video, a university report, a ministerial response and a parliamentary machinations formed notable developments of the debate last week.

Microquanta Semiconductor holds a 17.25% efficiency record for a relatively large-area perovskite module and wants to build a production facility with fresh capital from investors. pv magazine takes a look at the Chinese startup and some of the basic questions surrounding the technology.

During the past three years, Philipp Schröder has built up and consolitaded the sonnen brand. Now the self-proclaimed “Sonnen Warrior” is going his own way, although he will remain an advisor to the German storage provider. Managing Director, Christoph Ostermann regrets the departure, but emphasizes that with the strong management team that has been established, he will continue to promote the company’s growth.

German battery manufacturer, Tesvolt and EPC Unlimited Energy won the Smarter E award last week, for their innovative off-grid solar plus storage project in WA’s Southwest. The project demonstrates how solar can provide a reliable energy supply without back up from the grid, and why it is set to spread around the world even faster than many predict.