Investments in Unconsolidated Affiliates (Tables)

9 Months Ended

Sep. 30, 2026

Equity Method Investments and Joint Ventures [Abstract]

Activity Related to Partnership's Investments and Combined Financial Information in Unconsolidated Affiliates

The following table shows the activity related to our investments in unconsolidated affiliates:


		Balance at December 31, 2024				Equity Earnings (Loss)				Cash Distributions				Contributions (1)				Balance at September 30, 2025
Little Missouri 4		$	84.3			$	12.6			$	(15.2	)		$	12.7			$	94.4
GCF			66.4				(0.5	)			—				2.0				67.9
Cayenne			12.3				5.0				(3.5	)			—				13.8
Blackcomb			30.3				(0.1	)			—				109.6				139.8
Total		$	193.3			$	17.0			$	(18.7	)		$	124.3			$	315.9

(1)

Includes capitalized interest of $3.7 million related to our contributions to Blackcomb.


		Balance at December 31, 2025				Equity Earnings (Loss)				Cash Distributions				Contributions (1)				Balance at September 30, 2026
Little Missouri 4		$	93.7			$	13.9			$	(15.7	)		$	0.3			$	92.2
GCF			69.2				(0.7	)			—				2.8				71.3
Cayenne			12.3				6.6				(4.3	)			—				14.6
Blackcomb			131.9				6.8				—				4.9				143.6
Total		$	307.1			$	26.6			$	(20.0	)		$	8.0			$	321.7

(1)

Includes capitalized interest of $4.9 million related to our contributions to Blackcomb.