Electrical substation steel structures and transformer at dusk

Power systems specialists, Ontario

Powering what matters.

Investigate. Engineer. Resolve.

Industrial electrical solutions, engineering expertise and 24/7 emergency response across Ontario.

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24/7/365 emergency line (905) 238-8700 Response times under 1 hour in the GTA

LicenceECRA/ESA No. 7007530

Voltage classMedium & high voltage

StandardsTesting to NETA practice

ScopeDesign to commissioning

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Who we are

Engineered for reliability.

ISCOCA technician in high-visibility PPE servicing medium voltage switchgear at Maple Lodge Farms

Maple Lodge Farms · substation maintenance

A licensed team of journeymen, engineers, apprentices and power systems specialists working on medium and high voltage equipment.

From emergency response on a failing transformer to the engineering study that keeps it from failing again, ISCOCA carries projects from start to finish. A large fleet of electrical test equipment supports advanced testing and analysis on power systems throughout Canada.

About ISCOCA

01
Investigate
Field technicians assess the fault, the equipment and the conditions on site.
02
Engineer
Studies, design and testing define the right repair or upgrade.
03
Resolve
The crew restores the system and documents the work in a detailed report.

Areas of service

Five disciplines. One field crew.

From the moment something trips at 2am to the report that documents why, ISCOCA covers the full lifecycle of your electrical system.

Technician in arc-rated face shield testing an energised panel

S/01 · 24/7/365 Emergency Response & Repairs Field technicians investigate, engineer and resolve the issue, day or night, to get your operation back up and running. Emergency service

Outdoor high voltage disconnect switches and insulators

S/02 · 600V and above Preventative Maintenance Scheduled inspection, testing and service in line with NETA practice, with a final report on every visit. Maintenance programs

Switchboard control panel with selector switches and indicators

S/03 · Studies & design Engineering Services System design and approval, coordination, arc flash and ground grid studies, and witness testing. Engineering

Electrician in hard hat and gloves working on electrical equipment

S/04 · 35+ years Electrical Services Major and minor projects, generator and tap box installations, power monitoring and equipment testing. Electrical work

Oil-filled power transformer in a gravel substation yard

S/05 · Rent or buy Equipment Rental & Sales Transformers, switchgear, temporary power and high voltage cable, plus parts and components to purchase. Equipment catalogue

Technical scope

Every point on the single‑line.

Select a point on the diagram to see what ISCOCA does there, from the utility supply to the loads it feeds.

Selected projects

Substations, switchgear and the work in between.

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Technician servicing a 27.6 kV substation transformer at Atlantic Packaging, Whitby

Project details Industrial27.6 kV transformer

ESA licensed
A licensed electrical contractor with the Electrical Safety Authority and an ACP participant. Hydro and ESA services and inspections are part of the scope.
Thorough technical reports
Every maintenance visit ends with a final report summarising findings and recommendations, and single-line diagrams kept up to date.
Testing to NETA practice
Maintenance and testing scoped in accordance with the best industrial practices set in North America, such as NETA.
24/7/365 emergency response
A 24-hour line every day of the year, with response times under 1 hour in the GTA.
Experienced field and engineering staff
Journeymen, engineers, apprentices and power systems specialists, backed by over 35 years of experience in the trade.
End-to-end project support
A full-service team that carries projects from start to finish, whether a custom build or a commissioning project.