Columbia Gas Transmission
Project information
As at 31 December 2025
Description
As at 31 December 2025
FERC-regulated interstate system held with Global Infrastructure Partners (40% interest sold October 2023 for $5.3 billion; TC Energy retains control and operatorship). An April 2025 customer settlement (FERC-approved October 2025) includes a rate moratorium to March 31, 2028, rate step-ups in April 2026 and 2027 for modernization spend, and requires new rates by April 1, 2031. The VR delivery market project (US$0.5 billion) entered service November 2025; the Virginia Electrification Project entered service February 2024; KO Transmission assets (US$80 million) were integrated in 2023. The US$0.3 billion TCO Connector (approved October 2025) targets 2030 service for gas-fired generation and data centre growth.
Processing facilities
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