Electric Utilities Ontario has 72 electric utilities (LDCs). The majority of them are municipally owned, but there are a few investor-owned utilities that operate in Ontario. For conservation and efficiency program purposes, they all follo...
AI summary Ontario has 72 electric utilities (LDCs), mostly municipally owned, with uniform conservation program guidelines. The largest LDCs are Toronto Hydro and Hydro One (over 500,000 customers), while Atikokan Hydro is one of the smallest (1,600 customers).