|                                                                            
|----------------------------------------------------------------------------
|                                                                            
|View History:  Monthly  Annual Download Data (XLS File)                    
|View History:  Monthly  Annual                                              
|View History:  Monthly  Annual                                              
|View History:                                                               
|                                                                            
|U.S. Natural Gas Count of Underground Storage Capacity  (Number of Elements)
|                                                                            
|                                                                            
|U.S. Natural Gas Count of Underground Storage Capacity  (Number of Elements)
|                                                                            

|Year                                                                                                                              | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec
|--------------------------------------------------------------------------------------------------------------------------------- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|2013                                                                                                                              | 413 | 412 | 417 | 419 | 419 | 419 | 419 | 419 | 419 | 419 | 419 | 419
|2014                                                                                                                              | 418 | 418 | 418 | 418 | 418 | 418 | 418 | 418 | 418 | 418 | 418 | 418
|                                                                                                                                 
|2015                                                                                                                              | 418 | 417 | 417 | 417 | 413 | 413 | 413 | 413 | 413 | 413 | 413 | 413
|2016                                                                                                                              | 413 | 413 | 413 | 413 | 415 | 415 | 415 | 415 | 415 | 415 | 415 | 415
|2017                                                                                                                              | 414 | 413 | 413 | 414 | 414 | 414 | 414 | 414 | 414 | 414 | 414 | 414
|2018                                                                                                                              | 414 | 414 | 414 | 414 | 411 | 411 | 411 | 411 | 411 | 411 | 410 | 410
|2019                                                                                                                              | 409 | 408 | 409 | 409 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412
|                                                                                                                                 
|2020                                                                                                                              | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412
|2021                                                                                                                              | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412 | 412
|2022                                                                                                                              | 411 | 411 | 411 | 411 | 411 | 411 | 411 | 411 | 411 | 411 | 411 | 411
|2023                                                                                                                              | 413 | 413 | 413 | 413 | 413 | 413 | 413 | 412 | 413 | 413 | 413 | 413
|2024                                                                                                                              | 413 | 413 | 413 | 413 | 413 |     |     |     |     |     |     |    
|                                                                                                                                 
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
|                                                                                                                                 
|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024