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Alberta load calculation guides
Plain-language answers to the questions Calgary and Edmonton homeowners and electricians actually ask about load calculations, permits and service capacity — written by a working master electrician.
Calgary Secondary Suite Electrical Load Calculation
What the City requires, when the form is due, how Rule 8-200 demand factors apply across two dwelling units, and what to do if you come up short.
Read the guide →Can a 100 Amp Service Handle a Secondary Suite?
More often than people expect. Which loads actually decide it, and three options to try before paying for a service upgrade.
Read the guide →The City of Calgary Load Calculation Form, Explained
A field-by-field walkthrough of the form, where to get the current version, how to submit it, and the mistakes that get it bounced.
Read the guide →EV Charger Load Calculation in Calgary
Why EV charging counts at 100% with no diversity, how EVEMS load management can save you a service upgrade, and how to decide.
Read the guide →Skip the reading — run the numbers
The free calculator applies CEC Rule 8-200 demand factors line by line and generates a completed City of Calgary or City of Edmonton load calculation form PDF.
Start the free calculator →