The public invitation will be open to interested parties up to 15 March with the final selection made by 30 March.

Chesf is one of 28 energy companies that declared interest in a CSP R&D program launched by power regulator Aneel in September 2015.

With irradiation that peaks at 5MWh per square metre in the northeast region, Brazil is looking to solar to help diversify its power mix, which is currently largely based on hydro (70%) and polluting thermo-electric sources (20%).

Chesf