Electric Vehicle Management Systems Variance Process - FAQ

The following are some frequently asked questions around the new Electric Vehicle Management System (EVEMS) variance application process currently being followed. For more information, view our Information Bulletin or, to complete a variance application, login to your online account by clicking on the "Login" button in the top right hand corner of the page.

Typically, an engineering company is engaged in preparing the plans and specifications for the installation and operation of the electrical system. Therefore, the engineering company likely applies for the variance and oversees the project. The engineering company is responsible for transferring all the engineering documentation such as plans and specifications to the owner of the electrical system.

The permit for the EVEMS or EVSE is obtained by the owner of the electrical system. The installation of the electrical system requires an installation permit, while the operation of the electrical system requires an operating permit. The owner may be an individual or company.

The operating permit is required to have a plan to support the management of the system. System updates from the manufacturer will be a condition of an effective plan. The plan will be included with the engineering documentation submitted through the variance process.
Our records provincially and nationally have determined EVSE manufacturers have been obtaining certification from different certification bodies. Each of these bodies use different CAN/CSA or CAN/UL standards, and each standard has different requirements for certification status. As part of our mandate, we have a responsibility to monitor product recalls and take appropriate action to protect public safety.
In order for the EVEMS to manage the power effectively, the failsafe values must be considered when the EVEMS is not in operation. These values are used to calculate the minimum loading requirements of the electrical system. This protects the life safety equipment (e.g., emergency lighting, fire pumps, elevators, etc.) designed into the electrical system.
The current EVEMS systems are not certified. As a result, we require the technical details to evaluate the compatibility with the electrical system, EVSE equipment and utility requirements.
This is a function of the installation contractor and the field services representative (FSR) working with the manufacturer. FSRs inspect the installation and declare compliance with the requirements. We assess each installation based on the FSR’s submission.
If not managed effectively the EVEMS could overload the utility’s infrastructure posting risk of fire, power outage, equipment damage, utility infrastructure damage, etc. Therefore, the utility needs to be notified so they can manage their equipment safely.
The scope of the SPE-1000 does not restrict an inspection body from looking at the EVSE and EVEMS as a complete package. If this is the case, the inspection body will provide the approval if within the scope of their accreditation.
Until the 2018 Canadian Electrical Code is adopted, a variance is required to install/operate/maintain an EVEMS system. Upon adoption of that Code, the variance is automatically canceled and the terms and conditions of the variance will become part of the terms and conditions on the operating permit. In the future, CSA will have a certification standard for EVEMS.
Was this page useful to you?