High Voltage Infrastructure

Montgomery Industrial Services designs, builds, and maintains high-voltage electrical systems across Ontario.

From substations and grid connections to large-scale industrial power systems, our team brings certified expertise and precision to every high-stakes project.

We work with municipalities, utilities, contractors, and developers to deliver compliant, reliable, and scalable infrastructure that powers progress safely and efficiently.

Montgomery Industrial truck stringing hydro poles

Our High Voltage Capabilities

- Pole Line & Overhead Power Installations

- Tension Stringing and Live Line Work

- Substation Construction & Upgrades

- Underground High Voltage Systems

- Transformer Installations, Commissioning, and Testing

- Emergency Restoration and Grid Repair

- High Voltage Splicing & Termination

- SCADA and Control System Integration

Certified & Compliant

We understand the complexity and compliance required for high-voltage work.

Our crews are fully certified and adhere to ESA, CSA, and utility-specific protocols, including live-line procedures and lockout/tagout systems.

A warning sign on a chain-link fence that reads "DANGER HIGH VOLTAGE" in red and black lettering.

Grid-Ready. Storm-Proven.

Montgomery also supports high-voltage emergency response during severe weather events. We deploy restoration crews for rapid grid repair and service recovery across rural and urban zones in Ontario.

Built for Demanding Environments

- Skilled high-voltage technicians with field-proven experience

- Safety-first methodology and planning

- Detailed risk analysis and project scope planning

- Coordinated outages and utility collaboration

- Precision execution that meets utility and municipal standards

Lets Build Ontarios Power BackboneTogether

If your project involves transmission infrastructure, substation work, or storm recovery, choose a partner who delivers certified, safe, scalable results.