Solar Panel Installation

A guide to preparing your solar panel installation building permit application.

A building permit is required for solar panel installation when the accumulated face area is greater than or equal to five meters square (approximately 54 feet squared).

Project preparation

Detailed information is required to properly evaluate your plans and the unique conditions of your property or unit.

An engineer is required to assess the building structure that the solar panels will be installed upon.

For electrical work, contact the Electrical Safety Authority at 1-877-372-7233 or email

Heritage approval is required if you plan to install the solar panels on a heritage designated property. Learn more about heritage planning.

Other considerations

Demolition activities may be eligible  for a reduction in property tax assessment under Section 357 of the Municipal Act which provides municipalities with the authority to cancel, reduce  or refund taxes based on specific criteria.

If you think you are eligible to apply for a property tax adjustment please complete the Application for Cancellation/ Reduction/Refund of Taxes under Section 357 form (pdf) and send to

Deadline for submission is the last day of February, the year following the issuance of a demolition permit. A $20.00 fee will apply. Learn more about property tax assessments