Employer: Electricity Distribution and Supply Authority (EDSA)

Project: Enhancing Sierra Leone Energy Access Project (ESLEAP)

Contract title: Design, Supply and Installation of 66 kV sub-transmission line from Kenema to Kailahun and associated Substation at Kailahun

Country: Sierra Leone

Grant No.: IDA-D7690

RFB No: SL-EDSA-502236-CW-RFB

Issued on: 26^th September 2025

1.         The Government of the Republic of Sierra Leone has received financing from the World Bank toward the cost of the Enhancing Sierra Leone Energy Access Project (ESLEAP), and intends to apply part of the proceeds toward payments under the Contract for Design, Supply and Installation of 66 kV sub-transmission line from Kenema to Kailahun and associated Substation at Kailahun. 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, except for those payments, which the contract provides to be made through letter of credit.

2.         The Electricity Distribution and Supply Authority (EDSA) now invites sealed Bids from eligible Bidders for:

Design, Supply and Installation of 66 kV sub-transmission line from Kenema to Kailahun and associated Substation at Kailahun

• Approximately 120 km of 66kV sub-transmission line (steel lattice towers, single circuit structure, single circuit stringing, 265mm² AAC conductor)
• Extension at Kenema substation of outdoor 66kV switchgear for one 66kV outgoing feeder bay with associated metering, protection and control
• 66kV outdoor switchgear and busbar system at Kailahun Substation (one feeder incomer bay, one outgoing Power Transformer Bay, busbar system)
• One 66/33/11kV, 20/25MVA Power Transformer at Kailahun Substation
• 33kV, 25kA for 3s, 630A Single Bus bars Air Insulated Switchgear at Kailahun Substation (two feeder outgoing cubicles, one transformer cubicle, one bus sectionalizer cubicle, one measuring cubicle)
• Metering, protection and control at Kailahun Substation
• AC and DC supply at Kailahun Substation
• Power, auxiliary & control cables & accessories at Kailahun Substation
• Civil works at Kailahun Substation (new substation building, guard house, store, workshop, customer servi