Ontario energy rules and rebates, in plain language.

Written by the consultants who do this work every day, and checked against each program's own rules. Last checked October 27, 2026.

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INCENTIVES · 7 MIN

Ontario energy rebates and incentives: the 2026 tracker

Every program open to Ontario homes and buildings, what it pays, and what changed. We check each one against the program's own site every month.

Read the guide → HOMEOWNERS · 4 MIN

How much does a home energy assessment cost in Ontario?

The short answer is $600 to $1,000 for the two evaluations most programs need, and often most of it comes back as a rebate. Here is how it works.

Read the guide → ENERGY AUDITS · 6 MIN

EnerGuide assessment vs ASHRAE energy audit: which one do you need?

Both are called "energy audits", but they answer different questions for different buildings. Here's how to tell which one you need before you book anything.

Read the guide → ENERGY REPORTING · 5 MIN

Ontario EWRB vs Toronto's energy reporting bylaw: what's the difference?

Toronto buildings can face two reporting rules. They use the same data and the same software, but different deadlines and size limits.

Read the guide → NEW CONSTRUCTION · 6 MIN

SB-12 Performance Path vs prescriptive packages: a builder's guide

Ontario's Building Code gives you three ways to prove a new house is energy efficient enough. The right one can save you money on the build, or be the only way your design passes.

Read the guide → HOMEOWNERS · 7 MIN

Heat pump vs gas furnace in Ontario: how to decide

Modern cold-climate heat pumps heat Ontario homes through winter, and the rebates are the largest they've been. Whether one makes sense for your home depends on a few things you can check.

Read the guide → ENERGY REPORTING