We recognize how we interact with the environment is of vital importance to you. It is to us too. That's why TC Energy's Environment Principles reflect our long-term commitment to environmental stewardship, protection and performance. It guides our decision every day when building and operating energy infrastructure.

The Management’s Discussion and Analysis (MD&A) dated February 22, 2007 should be read in conjunction with the audited Consolidated Financial Statements of TransCanada PipeLines Limited (TCPL or the Company) and the notes thereto for the year ended December 31, 2006.

TC Energy’s Wisconsin Reliability Project (“WR Project” or “Project”) is a set of expansion and reliability projects that will involves replacing 54.4 miles of pipeline along the ANR Pipeline System in South Wisconsin and Northern Illinois to provide needed natural gas supply to meet the increasing market demand of residential, commercial and industrial consumers.

tce-corporate-profile.pdf

2025-tcpl-financial-statements.pdf