
Power systems specialists, Ontario
Powering what matters.
Investigate. Engineer. Resolve.
Industrial electrical solutions, engineering expertise and 24/7 emergency response across Ontario.
Who we are
Engineered for reliability.
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.
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
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
S/03 · Studies & design
Engineering Services
System design and approval, coordination, arc flash and ground grid studies, and witness testing.
Engineering
S/04 · 35+ years
Electrical Services
Major and minor projects, generator and tap box installations, power monitoring and equipment testing.
Electrical work
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.
High-voltage equipment
Repair or replacement of transformers, breakers, switchgear, panels, cables, insulators and bushings, with hydro and ESA services and inspections handled for you.
Emergency responseElectrical diagnostics
Infrared thermographic scanning, protective relay testing and high voltage cable testing find developing faults before they become outages.
Preventative maintenanceTransformer maintenance
Service of dry and oil-filled transformers, including transformer oil analysis and annual IR scanning programs.
Maintenance scopePower quality monitoring
Harmonics, voltage sags, transients and imbalances measured with calibrated power monitors, with detailed reporting and corrective recommendations.
Engineering servicesIndustrial installations
Installation of generators and tap boxes, temporary generator setups that are fully cabled, connected and load tested on site, and major and minor electrical projects.
Electrical servicesPower system commissioning
End-to-end commissioning of new and upgraded systems: protective relay settings, interlocks, control wiring and functional testing verified before energisation.
All servicesSelected projects
Substations, switchgear and the work in between.
Project details
Atlantic Packaging, Whitby
Annual maintenance and IR scanning of a 27.6 kV transformer.
Project details
York University
Three 2 megawatt generators, a 2500/3125 kVA transformer and a 13.8 kV to 600 V transformer.
Project details
Bay-Adelaide Centre
Annual maintenance and IR scanning.
Project details
Pelham
Installation of four 1.4 megawatt generators.
Project details
Niagara-on-the-Lake
Rental power install and grounding upgrade.
Why ISCOCA
When the fault is real, so is the crew.
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.
Our clients
Trusted by industrial, commercial and institutional operators
When the power matters, experience matters.
Tell us what is happening with your system and the team will point you to the right service.
Talk to Our Team Emergency: (905) 238-8700






