Independent Electricity System Operator

Headquarters: Toronto, Ontario

Serves: Ontario

Installed Generation: 34,882 MW

Miles Transmission Lines: 18,641

Population Served: 13 million

Website: ieso.ca

Documents: (links open PDFs in new window)
IESO Fast Facts
Ontario Reliability Outlook
Ontario Smart Grid Forum Report
2011-2013 Business Plan
Annual Report

Links:
Today's Market
News Releases
Speeches and Presentations
IESO Market Training Resouces

IESO on Facebook
IESO on Twitter

Ontario Energy Board
Ontario Power Authority
Ontario Ministry of Energy