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|View History: Annual Download Data (XLS File)                                               
|View History: Annual                                                                         
|View History: Annual                                                                         
|View History:                                                                                
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|Pennsylvania Natural Gas % of Total Commercial Delivered for the Account of Others  (Percent)
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|Pennsylvania Natural Gas % of Total Commercial Delivered for the Account of Others  (Percent)
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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
|--------------------------------------------------------------------------------------------------------------------------------- | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------
|1980's                                                                                                                            |        |        |        |        |        |        |        |        |        | 14.7  
|1990's                                                                                                                            | 21.6   | 22.7   | 24.2   | 22.6   | 25.6   | 31.6   | 29.6   | 36.4   | 43.2   | 43.1  
|2000's                                                                                                                            | 39.5   | 37.0   | 38.9   | 37.9   | 36.8   | 38.0   | 40.2   | 41.5   | 43.3   | 46.6  
|2010's                                                                                                                            | 49.8   | 51.5   | 57.9   | 59.8   | 58.6   | 59.8   | 62.6   | 62.6   | 62.9   | 63.6  
|2020's                                                                                                                            | 65.9   | 64.3   | 62.7   |        |        |        |        |        |        |       
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024