REVENUE
The following table sets forth our revenues disaggregated by source for the periods indicated:

Year Ended December 31,
202520242023
(Thousands of dollars)
Natural gas sales to customers$2,187,660 $1,841,400 $2,141,908 
Transportation revenues144,342 137,111 132,945 
Securitization customer charges (Note 17)
47,446 44,390 48,677 
Miscellaneous revenues25,817 22,971 22,791 
Total revenues from contracts with customers2,405,265 2,045,872 2,346,321
Other revenues - natural gas sales related9,157 24,296 12,764 
Other revenues 13,006 13,390 12,905 
Total other revenues22,163 37,686 25,669 
Total revenues$2,427,428 $2,083,558 $2,371,990 
Accrued unbilled natural gas sales revenues at December 31, 2025 and December 31, 2024, were $216.4 million and $212.0 million, respectively, and are included in accounts receivable on our consolidated balance sheets.

Historical Timeline

Fiscal YearFiled
2025Feb 19, 2026Showing above
2024Feb 20, 2025
2023Feb 22, 2024
2022Feb 23, 2023
2021Feb 24, 2022
2020Feb 26, 2021
2019Feb 20, 2020
2018Feb 20, 2019

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.