| Reg. Measure ID | Organization | Regulatory Measure Type | Program | Effective Date | Status | 
                
                  
      			   
                    
                      
                      
                        | 132325 | Southwest Gas Corporation | WDR | WDR | 10/08/2003 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144761 | Southwest Gas Corporation | WDR | WDR | 05/23/1974 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144761 | Southwest Gas Corporation | WDR | WDR | 05/23/1974 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144830 | Southwest Gas Corporation | WDR | WDR | 04/10/1986 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 144830 | Southwest Gas Corporation | WDR | WDR | 04/10/1986 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 132325 | Southwest Gas Corporation | WDR | WDR | 10/08/2003 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259768 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259661 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259661 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259483 | Southwest Gas Corporation | Letter | CONSTW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259483 | Southwest Gas Corporation | Letter | CONSTW | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259768 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260468 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 260468 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259421 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259414 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259421 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 259414 | Southwest Gas Corporation | Letter | WDR | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 373422 | Southwest Gas Corporation | Enrollee - WDR | WDRNONMUNIPRCS | 04/12/2010 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 373422 | Southwest Gas Corporation | Enrollee - WDR | WDRNONMUNIPRCS | 04/12/2010 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 335936 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/24/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203705 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 05/02/2003 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 340631 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/06/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203705 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 05/02/2003 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 335936 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/24/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 342609 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/24/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 342609 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/24/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 360546 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 360546 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | None | Historical | 
                
                  
      			   
                    
                      
                      
                        | 340631 | Southwest Gas Corporation | Enrollee - 401 Certification | CERFILLEXC | 03/06/2008 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203821 | Southwest Gas Corporation | Enrollee | CONSTW | 08/01/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203821 | Southwest Gas Corporation | Enrollee | CONSTW | 08/01/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203819 | Southwest Gas Corporation | Enrollee | CONSTW | 05/02/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203806 | Southwest Gas Corporation | Enrollee | CONSTW | 04/26/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203806 | Southwest Gas Corporation | Enrollee | CONSTW | 04/26/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203804 | Southwest Gas Corporation | Enrollee | CONSTW | 04/30/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203804 | Southwest Gas Corporation | Enrollee | CONSTW | 04/30/1996 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203801 | Southwest Gas Corporation | Enrollee | CONSTW | 06/06/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203801 | Southwest Gas Corporation | Enrollee | CONSTW | 06/06/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203798 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203798 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203797 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203797 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203796 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203796 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203795 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203795 | Southwest Gas Corporation | Enrollee | CONSTW | 06/22/1995 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203785 | Southwest Gas Corporation | Enrollee | CONSTW | 05/23/1994 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203785 | Southwest Gas Corporation | Enrollee | CONSTW | 05/23/1994 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203782 | Southwest Gas Corporation | Enrollee | CONSTW | 09/17/1993 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203782 | Southwest Gas Corporation | Enrollee | CONSTW | 09/17/1993 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203715 | Southwest Gas Corporation | Enrollee | CONSTW | 07/16/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203715 | Southwest Gas Corporation | Enrollee | CONSTW | 07/16/2002 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 203819 | Southwest Gas Corporation | Enrollee | CONSTW | 05/02/1997 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 384219 | Southwest Gas Corporation | 401 Certification | CERFILLEXC | 09/27/2010 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 384219 | Southwest Gas Corporation | 401 Certification | CERFILLEXC | 09/27/2010 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 385159 | Southwest Gas Corporation | 401 Certification | CERFILLEXC | 03/05/2004 | Historical | 
                
                  
      			   
                    
                      
                      
                        | 385159 | Southwest Gas Corporation | 401 Certification | CERFILLEXC | 03/05/2004 | Historical |