Study of solutions for the upgrade of pumped storage and water treatment plants — Drakensberg and Ingula

Request For Information (RFI) – Drakensberg Pumped Storage Scheme (PSS) and Ingula PSS, Sewage The purpose of this RFI is not to appoint a Contractor or service provider at this stage. Responses will be used to: Determine whether suitably experienced service providers are available in the market to undertake the required works at both Drakensberg Pumped Storage Scheme and Ingula Pumped Storage Scheme, • Obtain information on technically feasible solutions for the upgrade, refurbishment, operation and maintenance of the Sewage Treatment Plant (STP) at both Drakensberg Pumped Storage Scheme and Ingula Pumped Storage Scheme and Water Treatment Plant (WTP) at Ingula Pumped Storage Scheme, • Obtain indicative capital, operational and lifecycle costs associated with the proposed solutions, and • Identify key assumptions, exclusions, risks, constraints and dependencies associated with the proposed solutions. Special Conditions:

No special Condition applies. Another classification session will be held: Date: 28 October 2026 Time: 10:00 AM Venue/Location: Ingula Pumped Storage Scheme (PSS), visitors center Suppliers are encouraged to attend both site walkdowns, as Drakensberg PSS and Ingula PSS are separate facilities with unique site conditions and operational requirements. Contact:

Name: Chevon Dedre Goldstone-May

Email: GoldstCD@eskom.co.za

Tel: 021-522-1899