Understand your Ontario electricity bill — line by line.
What each charge means, why it exists, and what actually affects your total — in plain language, without sales pitches or switching offers.
- Confused about Global Adjustment? Start here: Global Adjustment explained simply.
- Surprised by Delivery? Read: Why delivery charges can be so high.
- Not sure about TOU vs Tiered? See: Time-of-Use vs Tiered pricing.
This site focuses on Ontario residential electricity billing. If you’re looking at a commercial or industrial bill, some items work differently.
How Ontario electricity billing works
Who sets what, why your bill is split into parts, and which pieces you can (and can’t) influence.
Why your bill changed
Common reasons bills jump even when usage is flat — plus what to check before assuming something is “wrong”.
Delivery charges explained
What “delivery” is paying for, why it can exceed usage charges, and how fixed vs variable pieces work.
Global Adjustment explained
What GA is trying to do, why it fluctuates, and why it rarely lines up with what you think you “used”.
New: See the Ontario Electricity Ultimate Guide and try the TOU vs Tiered vs ULO Calculator.
What this site is (and isn’t)
- Is: plain-language explanations of Ontario electricity bill line items and how bills behave over time.
- Isn’t: a provider comparison site, a switching service, or personalized billing/financial advice.
If you’d like to contact the site owner (no email shown on-site to reduce spam), use the contact page.
Learn How Ontario Electricity Really Works
Ontario’s electricity system can feel complicated, but once you understand how power is generated, delivered, and priced, your bill becomes much easier to manage. This site breaks everything down in plain English so households and small businesses can make smarter decisions about their energy use.
We explain the Global Adjustment, delivery charges, Time-of-Use pricing, Tiered plans, and how the Ontario Energy Board regulates utilities. You’ll also find practical guides on lowering your bill, choosing the right pricing plan, and understanding seasonal changes that affect costs.
Start with our newest guides and FAQs in the blog, including step-by-step explanations and Ontario-focused examples.
Complete Guides and Tools
Want a deeper understanding of your electricity costs? Start with our comprehensive Ontario Electricity Ultimate Guide, which explains the entire system from generation to billing in plain English.
If you prefer something more hands-on, we also provide a set of free, practical calculators built specifically for Ontario households. Compare rate plans, estimate monthly bills, and test real-world scenarios like EV charging, heat pump savings, appliance usage, and whole-home electricity needs.
- Monthly Bill Calculator
- Rate Plan Comparisons (TOU vs Tiered vs ULO)
- EV Charging Cost Calculator
- Heat Pump Savings Calculator
- Appliance & Home Usage Tools
Please note: all calculators are educational estimators. Actual Ontario bill components and rates can vary by utility, season, and pricing plan.