TRANSMISSION COMPANY OF NIGERIA (TCN)
BIDDING DOCUMENT
FOR
DESIGN, MANUFACTURE, SUPPLY, INSTALLATION, REHABILITATION & COMMISSIONING OF 330KV & 132KV HV TRANSMISSION SUBSTATIONS IN NORTH-WEST AND NORTH CENTRAL NIGERIA
SECTION – INVITATION FOR BIDS
PART 1: BIDDING PROCEDURES
ICB NO: TCN/PIU/AFD/NCP-02
LOT 4 & 5
PROJECT: CNG 1036 – NORTHERN CORRIDOR TRANSMISSION PROJECT
EMPLOYER: TRANSMISSION COMPANY OF NIGERIA
COUNTRY: NIGERIA
STANDARD FORMAT FOR INVITATION FOR BIDS
DATE: 8TH OCTOBER, 2026
LOAN NO: CNG-1036
IFB NO: TCN/PIU/AFD/NCP-02

1. The Transmission Company of Nigeria (TCN) has received funds from the Agence Française de Développement (the French Development Agency) and a grant from the European Union towards the cost of Northern Corridor Transmission Project. It is intended that part of the proceeds of this loan will be applied to eligible payments under the contract for Design, Manufacture, Supply, Installation, Rehabilitation, Reinforcement & Commissioning of 330kV & 132kV HV Transmission Substations in the Northern Corridor of Nigeria.

2. The Transmission Company of Nigeria (TCN) now invites sealed bids from eligible bidders for the design, supply, installation, rehabilitation, reinforcement and commissioning of 330kV&132kV HV Transmission Substations (“the Facilities”) as follows:

The identification number of the ICB (International Competitive Bidding ) is: (TCN/PIU/AFD/NCP-02).

The number and identification of lots (contracts) comprising this ICB is:

Lot 4:
a. Construction of 1x150MVA 330/132/33kV Substation at Kalgo, with 8x330kV Line Bays (3 bays are equipped with 3×25/62 MX 330kV Variable Reactors), 1x100MVA 132/33kV substation, and 3 Nos. 33kV Outgoing Feeders
b. 2 x 330kV Line Bays Extension at Kainji, equipped with 2×25/62 MX 330kV Variable Reactors, and 1×25/62MX 330kV Variable Reactor to equip the existing 330kV Line Bay to Kalgo
c. 1x330kV Line Bay Extension, and Rehabilitation of one Existing 1x330kV Line Bay at Shiroro Substation
d. 1x330kV Line Bay Extension & Rehabilitation of one Existing 1x330kV Line Bay at Kaduna (Mando) Substation

Lot 5
a. Construction of 2x150MVA 330/132/33kV Substation and 2x60MVA 132/33kV Substation, including 4x330kV Line Bays, plus 6 Number Outgoing 33kV Feeder Bays at Daura
b. Construction of 2x150MVA 330/132/33kV Substation, 2x60MVA 132/33kV Substation, including 4x330kV Line Bays, plus 6 Number Outgoing 33kV Feeder Bays at Jogana (Kano)
c. 2x330kV Line Bays Extension at Katsina 330/132/33kV Substation, 2x330kV 75MVAR busbar reactors

Lot 6 is not part of this ICB. Consistency of Lot 6 is given for information only.
a. Construction of 2x150MVA 330/132/33kV Substation at Sokoto, with 4x330kV Line Bays & 2x60MVA 132/33kV with 2x 132kV Line bays and 6 Nos. 33kV Outgoing Feeders, 132kV Line in Line out of the existing 132kV T/L Birnin Kebbi-Sokoto
b. Construction of 2x60MVA 132/33kV Substation with 6 Outgoing Feeders at Lambatta, Line in Line out Out of the existing 132kV T/L Minna – Suleja Line
c. Construction of 2x60MVA 132/33kV Substation with 6 Outgoing Feeders at Birnin-Gwari, connection of substation to the existing 132kV T/L coming from Tegina
d. Construction of 3x132kV Line Bays at Tegina Substation, Connection of existing 132kV Overhead Lines to the Substation
e. Installation of New 1x60MVA 132/33kV transformer and 3 No. Outgoing 33kV Feeders in Jebba substation

International competitive bidding will be conducted in accordance with the Agency’s “Single-Stage” Bidding Procedure.

3. Interested Bidders may obtain further information from and inspect the bidding documents at the office of:
Project Manager AFD-PIU,
Transmission Company of Nigeria (TCN)/Project Implementation Unit (PIU),
TCN/PIU Office, OCEAN HOUSE. Plot 1226, Aminu Kano Crescent,
Wuse II, Abuja.