Renewable energy development company Magnora is increasing its stake in Swedish solar cell technology company Evolar. Magnora has a 28.44% stake in the company but has now decided to call the first of three options to increase its shareholding in the company to 40.7%. When (and if) all options have been exercised, Magnora will own 63.5% of Evolar AB. Magnora executive chairman Torstein Sanness said: "Magnora is pleased to increase its shareholding in Evolar, and we believe the investment can deliver attractive returns to our shareholders and make a positive impact on society. Evolar has a unique Perovskite deposition technology which will allow solar cell, module, and glass manufacturers to install a turn-key solution to increase cell efficiency significantly with a limited cost increase.