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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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|Natural Gas Citygate Price in Michigan  (Dollars per Thousand Cubic Feet)
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|Natural Gas Citygate Price in Michigan  (Dollars per Thousand Cubic Feet)
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|Year                                                                                                                              | Jan   | Feb  | Mar  | Apr  | May   | Jun   | Jul   | Aug  | Sep   | Oct   | Nov   | Dec  
|--------------------------------------------------------------------------------------------------------------------------------- | ----- | ---- | ---- | ---- | ----- | ----- | ----- | ---- | ----- | ----- | ----- | -----
|1989                                                                                                                              | 3.45  | 3.59 | 3.47 | 3.44 | 3.19  | 3.21  | 3.20  | 3.01 | 3.09  | 3.31  | 3.11  | 2.98 
|                                                                                                                                 
|1990                                                                                                                              | 3.36  | 3.43 | 3.48 | 3.11 | 2.52  | 3.04  | 3.14  | 2.95 | 2.96  | 3.06  | 3.18  | 3.18 
|1991                                                                                                                              | 3.47  | 3.39 | 3.37 | 2.91 | 2.82  | 2.86  | 2.66  | 3.04 | 3.28  | 3.15  | 3.13  | 3.02 
|1992                                                                                                                              | 3.21  | 3.11 | 3.19 | 2.93 | 2.89  | 2.82  | 2.78  | 2.95 | 3.02  | 3.31  | 3.33  | 3.16 
|1993                                                                                                                              | 3.43  | 2.90 | 2.84 | 2.82 | 3.17  | 2.77  | 2.60  | 2.79 | 2.96  | 2.76  | 2.87  | 2.92 
|1994                                                                                                                              | 2.77  | 3.03 | 2.88 | 2.58 | 2.56  | 2.55  | 2.77  | 2.59 | 2.55  | 2.56  | 2.70  | 2.93 
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|1995                                                                                                                              | 2.81  | 2.83 | 2.92 | 2.46 | 2.49  | 2.43  | 2.41  | 2.50 | 2.61  | 2.54  | 2.56  | 2.81 
|1996                                                                                                                              | 3.14  | 2.91 | 3.11 | 2.80 | 2.69  | 2.64  | 2.87  | 2.98 | 2.31  | 2.49  | 3.07  | 3.73 
|1997                                                                                                                              | 3.98  | 3.28 | 2.66 | 2.56 | 2.60  | 2.69  | 2.54  | 2.63 | 2.87  | 3.12  | 3.51  | 3.19 
|1998                                                                                                                              | 2.94  | 2.89 | 2.97 | 2.78 | 2.69  | 2.50  | 2.92  | 2.79 | 2.69  | 2.61  | 2.86  | 3.05 
|1999                                                                                                                              | 2.79  | 3.02 | 2.79 | 2.75 | 2.83  | 2.63  | 2.83  | 2.79 | 2.83  | 2.86  | 2.95  | 2.93 
|                                                                                                                                 
|2000                                                                                                                              | 3.11  | 3.01 | 2.90 | 3.06 | 3.00  | 3.02  | 3.33  | 3.33 | 3.32  | 3.47  | 3.44  | 3.67 
|2001                                                                                                                              | 4.40  | 3.52 | 3.60 | 4.90 | 4.61  | 4.46  | 4.36  | 4.30 | 3.86  | 3.68  | 3.74  | 3.54 
|2002                                                                                                                              | 4.54  | 4.45 | 4.76 | 3.51 | 3.94  | 3.93  | 3.84  | 3.68 | 3.96  | 3.87  | 4.11  | 4.18 
|2003                                                                                                                              | 4.38  | 4.86 | 6.55 | 4.95 | 5.21  | 5.80  | 5.48  | 5.26 | 5.26  | 5.13  | 5.38  | 5.50 
|2004                                                                                                                              | 6.27  | 6.09 | 5.78 | 6.02 | 6.22  | 6.88  | 6.59  | 6.11 | 5.82  | 6.05  | 7.05  | 7.26 
|                                                                                                                                 
|2005                                                                                                                              | 6.82  | 6.88 | 6.86 | 7.79 | 7.29  | 6.94  | 7.40  | 7.90 | 10.06 | 12.01 | 11.65 | 10.21
|2006                                                                                                                              | 10.71 | 9.04 | 8.78 | 7.70 | 7.63  | 7.08  | 7.17  | 7.99 | 7.86  | 6.96  | 9.02  | 9.41 
|2007                                                                                                                              | 8.55  | 8.83 | 9.01 | 7.89 | 8.16  | 8.18  | 7.70  | 7.31 | 7.11  | 7.60  | 8.55  | 7.86 
|2008                                                                                                                              | 8.29  | 8.52 | 9.06 | 9.53 | 10.20 | 10.58 | 11.34 | 9.23 | 8.62  | 8.08  | 8.46  | 8.55 
|2009                                                                                                                              | 8.23  | 7.58 | 7.79 | 6.34 | 6.96  | 6.85  | 7.05  | 6.89 | 6.95  | 6.99  | 7.77  | 7.60 
|                                                                                                                                 
|2010                                                                                                                              | 7.58  | 7.61 | 7.85 | 6.43 | 6.64  | 6.66  | 6.90  | 6.82 | 6.54  | 6.68  | 6.83  | 6.73 
|2011                                                                                                                              | 6.61  | 6.80 | 6.54 | 5.73 | 5.98  | 5.83  | 5.79  | 5.88 | 5.50  | 5.70  | 6.02  | 5.97 
|2012                                                                                                                              | 5.95  | 6.05 | 5.98 | 4.52 | 4.88  | 4.79  | 5.04  | 4.87 | 4.67  | 5.20  | 5.41  | 5.29 
|2013                                                                                                                              | 5.30  | 5.19 | 5.15 | 4.74 | 4.99  | 4.52  | 4.48  | 4.13 | 3.91  | 4.44  | 4.59  | 4.85 
|2014                                                                                                                              | 5.08  | 6.18 | 7.40 | 5.25 | 5.03  | 5.09  | 4.97  | 4.78 | 4.72  | 4.65  | 4.72  | 5.04 
|                                                                                                                                 
|2015                                                                                                                              | 4.63  | 4.55 | 4.38 | 3.84 | 3.71  | 3.92  | 3.82  | 3.82 | 3.60  | 3.65  | 3.87  | 3.95 
|2016                                                                                                                              | 3.80  | 3.84 | 3.90 | 2.91 | 2.87  | 2.76  | 3.19  | 3.08 | 3.35  | 3.53  | 3.65  | 3.54 
|2017                                                                                                                              | 3.84  | 3.71 | 3.48 | 3.78 | 3.43  | 3.35  | 3.10  | 3.09 | 3.10  | 3.35  | 3.47  | 3.56 
|2018                                                                                                                              | 3.38  | 3.69 | 3.32 | 3.05 | 3.27  | 3.14  | 3.15  | 3.12 | 3.17  | 3.34  | 3.50  | 4.16 
|2019                                                                                                                              | 3.55  | 3.37 | 3.41 | 3.10 | 2.81  | 2.81  | 2.48  | 2.10 | 2.38  | 2.73  | 3.04  | 2.99 
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|2020                                                                                                                              | 2.89  | 2.90 | 2.94 | 2.40 | 2.46  | 2.41  | 1.91  | 2.30 | 2.76  | 2.55  | 3.05  | 2.85 
|2021                                                                                                                              | 2.83  | 2.96 | 3.19 | 2.88 | 3.25  | 3.25  | 3.66  | 4.16 | 4.21  | 4.94  | 4.24  | 4.29 
|2022                                                                                                                              | 3.70  | 4.58 | 4.15 | 5.15 | 7.92  | 9.02  | 7.56  | 8.53 | 8.35  | 5.18  | 5.41  | 5.69 
|2023                                                                                                                              | 5.47  | 5.07 | 4.92 | 2.92 | 3.20  | 3.03  | 3.28  | 3.09 | 3.15  | 3.06  | 3.28  | 3.95 
|2024                                                                                                                              | 3.96  | 4.14 | 3.97 | 2.72 | 3.25  |       |       |      |       |       |       |      
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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