Expansion and Construction of 400 kV Substations Lubango and Cahama — Huila-Cunene Interconnection Project

Specific Procurement Notice Request for Bids Plant Design, Supply and Installation ( Two-envelope Bidding Process, Without Prequalification ) Employer : RNT-Rede Nacional de Transporte de Energia, E.P. Project : Huíla-Cunene Interconnection Project (HCIP) Contract title : Plant Design, Supply, Installation and Commissioning for the Lubango Substation 400/220/60 kV Substation Expansion and Construction of the new Cahama 400/220/60 kV Substation Country : Republic of Angola Loan No. : 9886-AO RFB No : AO-RNT-525437-CW-RFB Issued on : June 10, 2026 1. The Government of the Republic of Angola has received financing from the International Bank for Reconstruction and Development (IBRD) towards the cost of the Huíla-Cunene Interconnection Project (HCIP) and intends to apply part of the proceeds toward payments under the Contract for Plant Design, Supply, Installation and Commissioning for the Lubango Substation 400/220/60 kV Substation Expansion and Construction of the new Cahama 400/220/60 kV Substation . For this contract, the Borrower shall process the payments using the Direct Payment disbursement method, as defined in the World Bank’s Disbursement Guidelines for Investment Project Financing 2. RNT-Rede Nacional de Transporte de Energia, E.P. now invites sealed Bids from qualified bidders for Plant Design, Supply, Installation and Commissioning of substation works in Angola , for a period of two (2) years to be developed in this package: (i) Lubango Substation 400/220/60 kV Substation Expansion and Construction of the New Cahama 400/220/60 kV Substation 3. Bidding will be conducted through international competitive procurement using Request for Bids (RFB) as specified in the World Bank’s “Procurement Regulations for IPF Borrowers” , September, 2025 (“Procurement Regulations”), and is open to all qualified eligible Bidders. 4. Bids will be evaluated in accordance with the evaluation process set out in the bidding documents. The following weightings apply for Rated Criteria (including technical and non-price factors): 70% and for Bid Cost: 30%. 5. Interested eligible Bidders may obtain further information from the Huíla-Cunene Interconnection Project (HCIP), Project Implementation Unit and inspect the bidding document during office hours from Monday to Friday, 09:00 hours to 15:00 hours Angola local time , at the address given below . 6. The bidding document in English language may be obtained by interested eligible Bidders upon request to be sent to the email indicated below. 7. Bids must be delivered to the address below to Huíla-Cunene Interconnection Project (HCIP), Project Implementation Unit on or before 10:00 hours Angola local time, by August 5, 2026 . Electronic bidding will not be permitted. Late Bids will be rejected. The outer Bid envelopes marked “ ORIGINAL BID ”, and the inner envelopes marked “ TECHNICAL PART ” will be publicly opened in the presence of the Bidders’ designated representatives and anyone who chooses to attend, at the address below . All envelopes marked “ FINANCIAL PART ” shall remain unopened and will be held in safe custody of the Employer until the second public Bid opening. 8. All Bids must be accompanied by a Bid-Securing Declaration as per the form provided. 9. Attention is drawn to the Procurement Regulations requiring the Borrower to disclose information on the successful bidder’s beneficial ownership, as part of the Contract Award Notice, using the Beneficial Ownership Disclosure Form as included in the bidding document. 10. The address(es) referred to above is (are): Huíla-Cunene Interconnection Project (PIHC) Project Implementation Unit Gaveto entre a Estrada do Camama e Via Expressa, junto a Subestação Eléctrica do Camama, Luanda, Angola Mr. Mauro Hernany Ferreira Martins, PIU Coordinator Luanda – Angola Tel.: (+244) 222 704 400, (+244) 222 704 401 Electronic mail address: procurement_525437@pihc.ao