Residential 400 Amp Hydro Upgrade

I need to upgrade my residential electrical service from 100 amps to 400 amps. This project involves load calculations and plan submissions to Toronto Hydro. Preference will be given to local freelancers familiar with Toronto Hydro regulations and processes. Ideal skills and experience: - Electrical engineering knowledge - Experience with Toronto Hydro submissions - Residential electrical system expertise - Relevant certifications and licenses