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|View History:  Monthly  Annual Download Data (XLS File)          
|View History:  Monthly  Annual                                    
|View History:  Monthly  Annual                                    
|View History:                                                     
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|Pennsylvania Natural Gas % of Total Residential - Sales  (Percent)
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|Pennsylvania Natural Gas % of Total Residential - Sales  (Percent)
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|Year                                                                                                                              | Jan   | Feb   | Mar   | Apr   | May   | Jun   | Jul   | Aug   | Sep   | Oct   | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | -----
|2002                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2003                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2004                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|                                                                                                                                 
|2005                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2006                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2007                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2008                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2009                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
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|2010                                                                                                                              | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0
|2011                                                                                                                              | 91.3  | 91.4  | 91.2  | 91.1  | 92.2  | 91.9  | 91.1  | 91.3  | 91.4  | 90.6  | 90.6  | 90.6 
|2012                                                                                                                              | 89.2  | 89.0  | 88.5  | 88.3  | 88.2  | 89.5  | 88.9  | 88.8  | 88.9  | 87.6  | 88.7  | 87.9 
|2013                                                                                                                              | 87.7  | 87.6  | 87.3  | 86.5  | 86.3  | 87.2  | 87.5  | 87.6  | 86.9  | 87.3  | 87.5  | 86.8 
|2014                                                                                                                              | 86.7  | 86.3  | 86.2  | 85.3  | 85.2  | 86.1  | 86.5  | 86.7  | 86.7  | 85.9  | 87.0  | 86.0 
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|2015                                                                                                                              | 86.5  | 86.4  | 86.0  | 85.4  | 85.2  | 85.7  | 87.0  | 87.4  | 87.3  | 87.9  | 87.7  | 86.8 
|2016                                                                                                                              | 87.6  | 87.1  | 87.1  | 87.3  | 86.9  | 87.1  | 87.6  | 87.8  | 88.1  | 88.1  | 88.9  | 88.0 
|2017                                                                                                                              | 87.5  | 87.4  | 88.1  | 87.0  | 87.9  | 87.3  | 87.6  | 87.8  | 87.9  | 88.0  | 88.4  | 87.9 
|2018                                                                                                                              | 86.9  | 86.4  | 87.7  | 86.0  | 84.8  | 86.6  | 87.2  | 87.3  | 87.6  | 89.5  | 88.8  | 86.6 
|2019                                                                                                                              | 86.9  | 86.3  | 86.2  | 84.4  | 85.9  | 85.4  | 85.7  | 86.2  | 86.3  | 86.4  | 87.4  | 86.1 
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|2020                                                                                                                              | 85.7  | 85.6  | 85.4  | 85.6  | 86.0  | 85.2  | 85.7  | 86.7  | 85.6  | 86.5  | 87.0  | 87.2 
|2021                                                                                                                              | 87.1  | 87.1  | 86.9  | 87.0  | 87.0  | 86.0  | 87.3  | 87.7  | 87.9  | 86.8  | 88.5  | 87.9 
|2022                                                                                                                              | 88.7  | 87.2  | 87.6  | 87.2  | 87.0  | 86.2  | 87.8  | 87.9  | 88.4  | 89.1  | 89.4  | 88.9 
|2023                                                                                                                              | 88.3  | 88.7  | 88.8  | 87.5  | 87.5  | 87.8  | 87.6  | 88.0  | 88.8  | 88.3  | 89.9  | 88.4 
|2024                                                                                                                              | 88.6  | 89.7  | 88.8  | 89.1  | 89.2  |       |       |       |       |       |       |      
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|- = 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