# Quebec SEAO #20174886

Hydro-Québec Poste Montagnais transformer and circuit-breaker replacement construction

**Posted:** October 05, 2026
**Respond By:** November 09, 2026
**Identifier:** 20174886
**NAICS:** 238210, 237130, 237990

Hydro-Québec is seeking construction services to upgrade Poste Montagnais in Côte-Nord, Québec.
- **Government buyer:** Hydro-Québec; the project is at Poste Montagnais.
- **Requested work:** Replace transformer T3 and circuit breakers 700-11 and 700-12, with related electrical and construction work. Quantities beyond the identified equipment are not specified.
- **Scope details:** Build concrete foundations and steel structures; install cable trenches and ducts; perform busbar and grounding work; remove and install control cables; and complete fire-protection piping work.
- **OEMs and vendors:** No equipment OEMs, manufacturers, or construction vendors are identified in the available information.
- **Notable requirements:** Bidders must be qualified by Hydro-Québec for Substations category work in the Electrical discipline and satisfy applicable licensing, certification, and other requirements.
- **Estimated value:** $5 million–$10 million, including options; this is an estimate, not a commitment.

### Description

The construction contract covers replacement work at Poste Montagnais in Côte-Nord, Québec. The scope includes civil works such as concrete foundations, steel structures, cable trenches and ducts; electrical equipment, busbar and grounding work; control cable removal and installation; and fire-protection system piping. Only suppliers qualified by Hydro-Québec for construction work and services in the Substations category and Electrical discipline may bid. The estimated value is $5,000,000–$10,000,000, including options, and Hydro-Québec states this estimate is not a commitment.

[View original listing](https://seao.gouv.qc.ca/avis-resultat-recherche/consulter?ItemId=6138c16b-7147-4375-8d7a-7b64ebd1b275)