Our projects form the basis of our reputation. As a leader in the industry, ESAC has come to earn a reputation for excellence based on open and ongoing communication with clients, quality craftsmanship in every component of our finished products, a no-nonsense approach to projects, and incredible value for our customers. What truly sets us apart is the ongoing support that our clients enjoy; remote assistance, software package updates, and valuable add-ons to developed applications keep our clients ahead of the curve. Our work is innovative, but our approach is simple: we treat each of our clients' individual projects as our own.

Our expertise spans five main areas: Electrical & Process, Modular Controls, Power Systems, Software & Graphics, and Project Administration. We bring our skills in these areas to a wide variety of projects, including renewables, EPC (Engineering, Procurement, and Construction), and critical supply.

We invite you to explore the details of these projects in our portfolio to get a sense of how we do things around here, and how we can make your project a success.

Sault Area Hospital

ESAC completed a major overhaul of an outdated system, ensuring reliable system operation to keep this hospital powered and patients cared for.

E.C. Drury School

An original "non-functional" system existed, and ESAC utilized existing field wiring to minimize costing, establishing a modern, reliable system with strategic power supply prioritization to ensure residents' and staff safety.

Cadillac Fairview - RBC Centre

ESAC worked as a subcontractor during the development of this LEED NC Gold Standard building, installing distribution and unit substations as well as emergency generators for full load capacity. We provided a reliable system for critical banking data centre integrity.

Hydro One Brampton

With an ESAC system, management acquired the reliability and accuracy they needed in their new electrical distribution systems, and automation assists in keeping long-term operating costs low.

Toronto Hydro

Toronto requires exceptional monitoring and control to ensure that energy needs are being met. ESAC was contracted to supply over 300 pole-top RTUs, a design that allows for easy expansion.

Grimsby Power Inc.

ESAC completed an existing system upgrade as well as new system projects for large transformer stations. We worked with the client's engineering, P&C and SCADA departments in a combined effort to design and implement integrated protection, control and metering systems.

Silvercreek Solar Park

ESAC supplied an expertly designed integrated protection and control system, providing Operations real-time information with alarming, control operating functions, historian and performance-based reporting.

Veresen Grand Valley(s)

ESAC assisted with achieving an accurate project budget and schedule with an evolving HONI interface and system communications, involving multiple organizations required adequate foresight and risk analysis.

Oxley Wind Project

ESAC put together an expert and efficient design to address connection authority standards in this minimal cost, reliable "unmanned" system.

Renfrew Power Generation

ESAC was responsible for the overall electrical design of this project, ensuring adherence to ESA requirements, while also successfully managing consistent project schedules, coordinating multiple subcontractors, and providing ongoing support for on-site client staff.

Otter Rapids Generating Station

ESAC provided an integrated protection and control system including generators condition monitoring, managed the electrical subcontractors, and designed/constructed reliable integrated control with a focus on project longevity, including upgraded system scalability.

Lower Notch Generating Station

ESAC designed/developed an "over-build" design solution minimizing plant downtime. A redundant new system ensures the ability to maintain while in-service and grid protection interface reliability.


ESAC employees take on challenging and rewarding projects alongside an amazing multi-disciplinary team. We take pride in our innovative approaches to our work in the field and within our own office. Open communication, hands-on career mentorship, and plenty of opportunity to learn and grow await you at ESAC.

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151 Meg Drive, London ON

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