Independent electricity brand Earth & Wire has signed a 12-year power purchase agreement (PPA) with the Energy Exchange of Southern Africa to provide 5 MW, or 13 GWh/y, of solar energy to Mediclinic and another large customer. The power will be generated from the Slimsun Too photovoltaic project, near Malmesbury, in the Western Cape, and delivered to the customers using power utility Eskom’s national grid.