Grid parity, also called socket parity, is a measurement that
compares the levelized cost of solar electricity with the cost of
residential retail electricity. When grid parity is reached, it
becomes more economical for you to install solar panels on your roof
rather than purchasing power from your utility company.
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• Analysis assumptions:
• Province or territory average values are determined using the relevant values for capitals where possible.
• Solar generation figures are based on an average-sized residential solar PV system of 5 kW.
• Default installation cost is estimated to be $3/watt (in Canadian dollars).
• Annual solar production estimates (for levelized cost calculations) are based on our own solar energy calculator, Home Solar Discover
• Utility rates for the provinces are based on a study published by Hydro Quebec. Rates in effect in April 2017. Source: Comparison of Electricity Prices in Major North American Cities. Utility rates for the territories are based on residential rate data as reported by Qulliq Energy Corporation (as displayed on 27 September 2016); Northwest Territories Power Corporation (effective 1 October 2017); Yukon Housing Corporation (effective 1 July 2016).
• Homeowners who qualify for Ontario's feed-in tariff program can potentially get higher rates of return for their solar PV investments. For more information on the microFIT program, click here (please note, that applications for MicroFIT are no longer being considered).
Cost of Residential Solar Power
$ per Watt
Cost of an averaged sized (5kW) residential solar energy system