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Between 1945 and 1955, the City’s kilowatt-hour consumption increased by 75 per cent. This was due to the post-war baby boom and high immigration. The dramatic growth had Toronto Hydro staff working hard to keep up. New electrical substations were required and built – some of them disguised as houses.
In the 1950s, the electrical system was rewired from 25-cycles to 60-cycles. Over 200,000 meters were replaced and 12 new stations were built.
Employees could join a Toronto Hydro hockey league, bowling league, curling club, baseball club, softball club, handball club, golf club, a Junior Toronto Hydro Club (for employees 21 and under), a camera club and a stamp collecting club. There were a variety of dances, an annual picnic and a holiday party, generally held at Massey Hall.