While the Minerals Council South Africa lauds Eskom for having maintained an average energy availability factor of 68.5% through February, which is above the 68% target set out in the Integrated Resources Plan 2025, the industry body is concerned about the utility’s tariff methodology and other cost factors that affect the sustainability of the Eskom system. South Africa’s global competitiveness is directly impacted by electricity pricing dynamics, says Minerals Council economist André Lourens.