A photovoltaic power plant near Douglas in the Northern Cape harnesses 22MW of energy from sun, enough to power 14,000 homes. This plant was established by Herbert Solar (owned by Old Mutual, AE AMD Renewable Energy (Pty) Ltd, Exoport 12 (Pty) Ltd, and Herbert Educational Trust No. 1) covers 127 hectares and feeds Eskomโs Herbert power station.