# Quebec SEAO #395331

Construction of Voltage Reduction Station at Lionel-Groulx for STM in Montreal

**Posted:** September 16, 2026
**Respond By:** November 26, 2026
**Identifier:** 395331
**NAICS:** 237130

STM is requesting bids for the construction of a voltage reduction station at Lionel-Groulx station in Montreal, supporting Hydro-Québec's infrastructure upgrades.
- Government buyer:
  - Société de transport de Montréal (STM)
  - Project relates to Hydro-Québec distribution stations
- Scope of work:
  - Construction of a voltage reduction station
  - Major electrical work in a public transportation environment
  - Activities include work on surface, technical spaces, and within the station
- OEMs and vendors:
  - No specific OEMs or vendors named in the solicitation
  - Hydro-Québec referenced as a key infrastructure partner
- Products/services requested:
  - Construction services for voltage reduction station
  - No product part numbers or purchase quantities specified
- Unique requirements:
  - Open to all bidders without territorial restrictions
  - Managed through SEAO portal
  - Detailed specifications, plans, and bid forms provided in attachments
- Period of performance:
  - Estimated contract duration is 36 months

### Description

This solicitation is a call for tenders for construction work involving the building of a voltage reduction station at the district station of STM located at Lionel-Groulx station in Montreal, Quebec. The project is part of major works in Hydro-Québec distribution stations and includes work on surface, technical spaces, and within the station. The contract duration is estimated at 36 months. The tender is open to all without territorial limits and managed through the SEAO portal.

[View original listing](https://seao.gouv.qc.ca/avis-resultat-recherche/consulter?ItemId=b5f21343-9c22-4002-aeb1-9625b2e1572d)