# Quebec SEAO #20164980

Construction of Hydro-Québec’s Val-des-Monts 120–25 kV Substation

**Posted:** August 17, 2026
**Respond By:** October 21, 2026
**Identifier:** 20164980
**NAICS:** 237130, 237990

Hydro-Québec is soliciting construction bids for its new Val-des-Monts 120–25 kV substation in the Outaouais region.
- **Government buyer:** Hydro-Québec; no sub-agency or specific office is identified.
- **Procurement:** Construction of a new 120–25 kV substation. No OEMs, product vendors, or named contractors are specified.
- **Work requested:** Complete the control building and perform civil and site works, including foundations, grading, cable trenches, drainage, fencing, and surfacing; install electrical equipment, grounding, control systems, and power and control cabling; and install underground distribution conduits, including a guided-bore crossing, with associated access, road, and site restoration.
- **Notable requirements:** Bidders must be qualified by Hydro-Québec for substation construction in civil engineering and electrical installation. Specialized underground conduit work requires qualification in the applicable discipline. A Québec construction licence and authorizations, ISO 9001 certification, and an execution plan are also required.
- **Indicative value:** $10 million–$20 million, including options. Expected duration is 18 months without options.

### Description

The solicitation is for construction work at the new 120–25 kV Val-des-Monts substation in the Outaouais region. Work includes building and civil works, electrical installation, control work, and distribution-related underground conduits and associated site restoration. Only Hydro-Québec-qualified suppliers in substation construction, covering both civil engineering and electrical installation, may bid; additional supplier qualification requirements apply to specified underground conduit work. The indicative estimated value, including options, is $10,000,000–$20,000,000, and the expected duration is 18 months without options.

[View original listing](https://seao.gouv.qc.ca/avis-resultat-recherche/consulter?ItemId=a8d632a8-bdd9-44d5-8dba-efc2bc94b34d)