How to Contact the IESO

General questions about the microFIT Program

By Phone:

Call the microFIT Support Line at 1-833-413-6348(MFIT).

Hours of operations are Monday to Friday, 9:00 AM to 5:00 PM (EST), except holidays.

By Email:

Please ensure you:

  1. include your microFIT Reference Number in the email subject line, and
  2. are communicating from the email address listed in Section 9.1 (of a version 1.x) or Section A(10) or A(11) (of a version 2.x, 3.x and 4.x) of the microFIT Contract.

IESO mailing address:
Independent Electricity System Operator
c/o microFIT Program
Suite 1600
120 Adelaide Street West Toronto ON M5H 1T1