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MicroFIT Connection Process




Step 1 – Obtain Ontario Power Authority (OPA) approval

Customers wishing to create a MicroFIT generation facility and connect it to Toronto Hydro’s electrical system must first contact the Ontario Power Authority (OPA), register, and then complete a MicroFIT application.  The OPA provides a detailed instruction process, along with
the appropriate applications to get the project started, on its website.

Once the application has been reviewed and accepted by the OPA, you will be provided with a
7-digit FIT reference number that is unique to your project.  This number must be referred to in all communications with Toronto Hydro regarding your project.

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Step 2 – Submit a Capacity Inquiry to Toronto Hydro

Prior to submitting an application to connect to Toronto Hydro, customers should send an email to fit@torontohydro.com to confirm that sufficient capacity exists to connect their project.  The subject line of the email should identify that it is a capacity inquiry and include the address of the property where the project will be constructed.  For instance; Subject: Capacity Inquiry for 123 Any Street.  The body of the email should identify the customer to whom we should respond, along with the email address we should use when responding (if required), and it should include the kilowatt rating of the project.

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Step 3 – Request to Connect to Toronto Hydro’s Electrical System  

Once a pending offer has been received from the OPA, and the capacity to connect has been confirmed, the applicant must request to connect to Toronto Hydro’s electrical system.  This is done by completing and submitting a MicroFIT Connection Application with Submission Guidelines Form. All required documentation, listed on the first page of the application form, must be submitted along with the application, and the assessment deposit (including HST), to the address (and person) listed on the application’s first page.  This may be done either by mail, or by use of the drop box outside of 5800 Yonge Street.  Nothing may be delivered in person.

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Step 4 – Connection Cost Estimate

Once your completed application has been received, and your OPA application has progressed to the “Pending LDC Offer to Connect” stage, we will issue the “Offer to Connect”.  Following this, once your OPA status changes to “Pending Connection”, we will issue a Connection Cost Estimate document to you.  This document must be signed by the legal OPA applicant, scanned, and returned to us by email within seven business days.

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Step 5 – Inspection to locate the installation site of the meter (Meter Locate)

After receiving a signed copy of the Connection Cost Estimate, a Toronto Hydro Inspector will visit the site of your project to determine the appropriate location for our meter.  Once located, the Inspector will provide you, or your contractor, with detailed information as to how the meter must be installed.  At this point, the construction of your project may begin.

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Step 6 – Electrical Safety Authority (ESA) inspection

After project installation, the applicant will need to schedule and complete a safety inspection with the Electrical Safety Authority (ESA).  A scanned copy of the ESA notice of inspection shall be emailed to Toronto Hydro’s Generation Planning team at fit@torontohydro.com, as soon as the final ESA inspection is completed.  Please specify in the email subject line: ESA Notice of inspection, the project address, and FIT ID number.

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Step 7 – Toronto Hydro Final Inspection

Once the ESA documentation has reached us, we will send out an Inspector to ensure that your project meets our requirements.  Once this is done, Toronto Hydro will install the generation meter assigned to the project for settlement purposes. The OPA will then be notified by Toronto Hydro, of the details of the connection that was made and, to proceed with issuing a MicroFIT final contract.  Settlement will then begin, and the applicant will start to receive monthly revenue statements for the export of power.


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 ESA  Electrical Safety Authority
 OPA  Ontario Power Authority

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