# Quebec SEAO #20182657

Construction services to replace transformer T4 at Poste Micoua

**Posted:** November 10, 2026
**Respond By:** December 11, 2026
**Identifier:** 20182657
**NAICS:** 238210, 237130, 237990

Hydro-Québec is seeking construction services to replace transformer T4 at Poste Micoua in Côte-Nord, Québec.
- **Government buyer:** Hydro-Québec.
- **Scope:** Demolition and building modifications; concrete foundations, excavation, backfill, drainage, and cable trenches; electrical equipment, busbar, 25 kV power cable, and grounding installation; control cabling and panel work; and dismantling underground piping.
- **Vendors and OEMs:** No manufacturers, OEMs, or contractor vendors are named in the notice.
- **Notable requirements:** Bidders must be Hydro-Québec-qualified for substation construction and electrical installation, meet applicable Québec legal and licensing requirements, provide a current ISO 9001 certification declaration and a construction activity schedule, and submit bid security equal to 10% of the total bid amount.
- **Estimated value:** $10 million–$20 million, including options.

### Description

The construction work involves replacing transformer T4 at Poste Micoua and related work. The scope includes demolition and building work, reinforced-concrete foundations and other civil work, electrical equipment and cable installation, control-panel and cabling work, and dismantling underground piping. Only Hydro-Québec-qualified suppliers in the specified substation construction and electrical installation categories are eligible to bid. The source gives an indicative estimated value of $10,000,000–$20,000,000, including options, and requires bid security equal to 10% of the total bid amount.

[View original listing](https://seao.gouv.qc.ca/avis-resultat-recherche/consulter?ItemId=436c77f2-24d1-49f1-891b-2330f6d168a3)