Asset Retirement Obligations

12 Months Ended

Dec. 31, 2024

Asset Retirement Obligation Disclosure [Abstract]

Asset retirement obligations

Asset retirement obligations

The Company’s asset retirement obligation represents the present value of estimated future costs associated with the decommissioning of the Northeast Gateway Deepwater LNG Port in the Massachusetts Bay. In accordance with the port's license and permits, the Company is legally required to decommission the port and estimates that this will occur at the end of the related pipeline capacity agreement in 2032.

The following table presents the balances for asset retirement obligations and the changes due to accretion expense (in thousands):

	December 31, 2024		December 31, 2023
Asset retirement obligations, beginning of period	$	41,834	$	39,823
Additions		—		237
Accretion expense		1,856		1,774
Asset retirement obligations, end of period	$	43,690	$	41,834