The eta Awards is an annual event sponsored by Eskom. eta is the Greek symbol for efficiency, hence the name of the Awards, which aim to promote the more efficient use of energy and to improve business competitiveness. The purpose of the awards is to reward the proven application of sound energy efficiency principles in the commercial, industrial, residential, agricultural and education sectors. Energy efficiency is part of Eskom's drive to ensure a sustainable electricity supply into the future. Given the significant emphasis placed on energy efficiency by the government of SA, the Minister of Minerals and Energy is the official patron of the eta Awards. The eta Awards ceremony takes place in November each year.