North American pipeline operators restructure following US tax change

Williams said it would buy all common units of its master limited partnership (MLP) Williams Partners in a deal valued at US$10.5 billion.

Enbridge said it would buy its independent units including Spectra Energy Partners and Enbridge Energy Partners, as well as its pipeline assets and bring then under a single listed entity for CAN$11.4 billion (US$8.94 billion).