INVITATION OF BIDS FOR THE APPOINTMENT OF A SERVICE PROVIDER TO REVIEW THE REGULATORY ACCOUNTING SYSTEM (RAS) MODEL UTILISED BY THE DEPARTMENT TO DETERMINE THE APPROPRIATE RETAIL, WHOLESALE, SECONDARY STORAGE AND SECONDARY DISTRIBUTION MARGIN FOR A PERIOD OF 16 MONTHS | National - Mineral Resources and Energy | Closes 21 October 2025 | Ref 134934 | ProTenders