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|View History: Annual Download Data (XLS File)                 
|View History: Annual                                           
|View History: Annual                                           
|View History:                                                  
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|Iowa Natural Gas Input Supplemental Fuels  (Million Cubic Feet)
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|Iowa Natural Gas Input Supplemental Fuels  (Million Cubic Feet)
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|Decade                                                                                                                            | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1960's                                                                                                                            |        |        |        |        |        |        |        | 0      | 0      | 0     
|1970's                                                                                                                            | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0      | 0     
|1980's                                                                                                                            | 57     | 64     | 68     | 23     | 53     | 45     | 44     | 40     | 34     | 82    
|1990's                                                                                                                            | 81     | 46     | 45     | 84     | 123    | 96     | 301    | 137    | 17     | 12    
|2000's                                                                                                                            | 44     | 39     | 23     | 143    | 30     | 31     | 46     | 40     | 27     | 3     
|2010's                                                                                                                            | 2      | 1      | 0      | 0      | 1      |        | 2      | 0      | 0      | 0     
|2020's                                                                                                                            | 0      | 0      | 251    |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 6/28/2024                                                                                                          
|Next Release Date: 7/31/2024