# CanadaBuys #20182657

Hydro-Québec Transformer T4 Replacement and Substation Work at Poste Micoua

**Posted:** November 10, 2026
**Respond By:** December 11, 2026
**Identifier:** 20182657
**NAICS:** 238210, 237130, 238110, 238910

Hydro-Québec is seeking proposals to replace transformer T4 and complete associated construction and installation work at Poste Micoua.
- **Government buyer:** Hydro-Québec; work is at Poste Micoua in the Côte-Nord region.
- **Scope:** Replace transformer T4 and perform related building demolition and modifications, concrete foundations, excavation, backfill, drainage, cable-trench work, electrical equipment and busbar installation, 25 kV power-cable installation, grounding, control-cable and panel work, and underground piping removal.
- **OEMs and vendors:** No equipment OEMs or other vendors are named. Hydro-Québec is the buyer.
- **Products and quantities:** No specified product line items, part numbers, or purchase quantities.
- **Notable requirement:** The work combines civil, building, electrical, control, and mechanical activities at an existing substation.
- **Estimated value:** CAD $10 million–$20 million, including options (approximately USD $7.2 million–$14.5 million).
- **Duration:** Estimated seven months; no specific start or end date or annual subscription is stated.

### Description

Hydro-Québec is seeking proposals to replace transformer T4 at Poste Micoua in Côte-Nord and perform related work. The scope includes building demolition and floor and panel work; civil works such as foundations, excavation, drainage, and cable trenches; electrical equipment, busbars, power cables, and grounding; control cable and panel work; and removal of underground piping. The estimated duration is seven months, and the stated indicative value is CAD $10,000,000–$20,000,000, including options. Bids and full tender details are available through Hydro-Québec’s supplier portal.

[View original listing](https://canadabuys.canada.ca/en/tender-opportunities/tender-notice/qc20182657)