However, U.S. regulatory officials may still have to issue another environmental assessment for DAPL before deciding if the 570,000-bbl/d oil pipeline can continue to operate.
Costs for the natural gas pipe could rise another 5% to $5.7 billion.
Company has a 9% stake in DAPL and owns Tesoro High Plains outright.
Anti-monopoly agency says the Russian gas company has not cooperated.
Filing is the company’s first in over 20 years.
U.S. energy company Dominion Energy Inc. said July 31 it took a $2.8 billion charge in the second quarter related to the cancellation of the Atlantic Coast natural gas pipeline from West Virginia to North Carolina.
U.S. President Donald Trump issued a new presidential permit for the base Keystone XL pipeline, allowing TC Energy to boost oil capacity by 170,000 bbl/d to 761,000 bbl/d.