# Quebec SEAO #20170342

Construction of a voltage-reduction substation at Montréal’s Lionel-Groulx station

**Posted:** September 16, 2026
**Respond By:** November 26, 2026
**Identifier:** 20170342
**NAICS:** 237130, 237990

The Société de transport de Montréal (STM) is seeking bids to build a voltage-reduction substation at Lionel-Groulx station in Montréal.
- **Government buyer:** Société de transport de Montréal (STM).
- **Procurement:** Construction of a voltage-reduction substation at STM’s district substation at Lionel-Groulx station.
- **Work areas:** Above ground, in technical areas, and within the station.
- **Named organization:** Hydro-Québec is referenced in connection with the broader work involving its distribution substations; no OEMs or vendors are identified for this procurement.
- **Tender materials:** Specifications, plans, a bid-price schedule, and amendments.
- **Duration:** Listed as 36, with the unit unspecified; start and end dates are not provided.

### Description

The contract is for construction of a voltage-reduction substation at the Société de transport de Montréal (STM) district substation located at Lionel-Groulx station. The project is part of major work at Hydro-Québec distribution substations. Work will take place above ground, in technical areas, and within Lionel-Groulx station. The source lists specifications, plans, a bid form, and amendments among the tender documents.

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