Northern Natural Gas
System Underrun Limitation (SUL) Summary 2020 - 2022
May 2022Area Called
No SUL was called for May 2022 
April 2022Area Called
No SUL was called for April 2022 
March 2022Area Called
No SUL was called for March 2022 
February 2022Area Called
No SUL was called for February 2022 
January 2022Area Called
No SUL was called for January 2022 
December 2021Area Called
No SUL was called for December 2021 
November 2021Area Called
No SUL was called for November 2021 
October 2021Area Called
No SUL was called for October 2021 
September 2021Area Called
No SUL was called for September 2021 
August 2021Area Called
No SUL was called for August 2021 
July 2021Area Called
No SUL was called for July 2021 
June 2021Area Called
No SUL was called for June 2021 
May 2021Area Called
No SUL was called for May 2021 
April 2021Area Called
No SUL was called for April 2021 
March 2021Area Called
No SUL was called for March 2021 
February 2021Area Called
No SUL was called for February 2021 
January 2021Area Called
No SUL was called for January 2021 
December 2020Area Called
No SUL was called for December 2020 
November 2020Area Called
No SUL was called for November 2020 
October 2020Area Called
No SUL was called for October 2020 
September 2020Area Called
No SUL was called for September 2020 
August 2020Area Called
No SUL was called for August 2020 
July 2020Area Called
No SUL was called for July 2020 
June 2020Area Called
No SUL was called for June 2020 
May 2020Area Called
No SUL was called for May 2020 
April 2020Area Called
No SUL was called for April 2020 
March 2020Area Called
No SUL was called for March 2020 
February 2020Area Called
No SUL was called for February 2020 
January 2020Area Called
No SUL was called for January 2020