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Supplemental Gas Supplies
(Million Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Product Area
2019 2020 2021 2022 2023 2024 View
History
Total
383 336 2,632 2,201 4,351 5,375 1967-2024
Synthetic
0 0 0 1,280 3,966 4,995 1980-2024
Propane-Air
79 25 2,306 510 0 * 1980-2024
Biomass
304 311 326 408 385 380 1993-2024
Other
      3 0 0 2022-2024
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes:   See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/31/2025
Next Release Date: 1/30/2026