OptiPower, a division of South African engineering and mining contractor Murray & Roberts Holdings Ltd (<a href="https://clientportal.jse.co.za/companies-and-financial-instruments/issuer-profile?issuermasterid=1324" target="_blank">JSE:MUR</a>), has been awarded a contract to build a 100-MWp solar photovoltaic plant in South Africa alongside its Spanish joint venture (JV) partner.