Power Outage Maps Power Outage Report Electrical Safety Hydro One Networks Customers Energy Efficiency Quick Links News Releases 2007 Annual Report 2007 Year-End Financial Results Careers Glossary This is the place to find out what Polychlorinated means. Visit the glossary to view over 50 hydro-related terms. Unregistered Easements Our entire database is at your fingertips. It's always up-to-date and it's available anytime.