Investments in Unconsolidated Affiliates (Tables)

3 Months Ended

Mar. 31, 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				Balance at March 31, 2025
Little Missouri 4		$	84.3			$	3.3			$	(4.9	)		$	4.9			$	87.6
GCF			66.4				1.0				—				—				67.4
Cayenne			12.3				1.5				—				—				13.8
Blackcomb			30.3				(0.3	)			—				18.9				48.9
Total		$	193.3			$	5.5			$	(4.9	)		$	23.8			$	217.7


		Balance at December 31, 2025				Equity Earnings (Loss)				Cash Distributions				Contributions (1)				Balance at March 31, 2026
Little Missouri 4		$	93.7			$	3.5			$	(4.7	)		$	0.3			$	92.8
GCF			69.2				0.1				—				1.9				71.2
Cayenne			12.3				2.2				—				—				14.5
Blackcomb			131.9				2.8				—				1.8				136.5
Total		$	307.1			$	8.6			$	(4.7	)		$	4.0			$	315.0

(1)

Includes capitalized interest of $1.8 million related to our contributions to Blackcomb.