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Welcome to the McMaster FlexPlan Study


McMaster University in collaboration with Hydro One Networks Inc. ("Hydro One"), the Ontario Ministry of Energy, and the Independent Electricity System Operator ("IESO") is conducting a study for evaluating residential electricity usage. Your participation in this study (called "FlexPlan Study") will help us to evaluate potential customer energy savings.

There is no cost to participate in the FlexPlan Study.

To learn more and see if you qualify, please enter the Invitation Code that was provided in the email or letter you received, along with the first 3 digits of your postal code.


The registration process and survey will typically require 20 minutes to complete.


If you previously started to register, but stopped, please sign in by clicking here

We are no longer accepting new registrants