Northern Natural Gas
System Underrun Limitation (SUL) Summary 2023 - 2025
July 2025Area Called
No SUL was called for July 2025 
June 2025Area Called
No SUL was called for June 2025 
May 2025Area Called
No SUL was called for May 2025 
April 2025Area Called
No SUL was called for April 2025 
March 2025Area Called
No SUL was called for March 2025 
February 2025Area Called
No SUL was called for February 2025 
January 2025Area Called
No SUL was called for January 2025 
December 2024Area Called
Monday, December 30, 2024MARKET (All Zones ABC, D & EF) 
Sunday, December 29, 2024MARKET (All Zones ABC, D & EF) 
Saturday, December 28, 2024MARKET (All Zones ABC, D & EF) 
Friday, December 27, 2024MARKET (All Zones ABC, D & EF) 
Thursday, December 26, 2024MARKET (All Zones ABC, D & EF) 
Wednesday, December 25, 2024MARKET (All Zones ABC, D & EF) 
November 2024Area Called
No SUL was called for November 2024 
October 2024Area Called
No SUL was called for October 2024 
September 2024Area Called
No SUL was called for September 2024 
August 2024Area Called
No SUL was called for August 2024 
July 2024Area Called
No SUL was called for July 2024 
June 2024Area Called
No SUL was called for June 2024 
May 2024Area Called
No SUL was called for May 2024 
April 2024Area Called
No SUL was called for April 2024 
March 2024Area Called
No SUL was called for March 2024 
February 2024Area Called
No SUL was called for February 2024 
January 2024Area Called
No SUL was called for January 2024 
December 2023Area Called
Tuesday, December 26, 2023MARKET (All Zones ABC, D & EF) 
Monday, December 25, 2023MARKET (All Zones ABC, D & EF) 
Sunday, December 24, 2023MARKET (All Zones ABC, D & EF) 
Saturday, December 23, 2023MARKET (All Zones ABC, D & EF) 
Friday, December 22, 2023MARKET (All Zones ABC, D & EF) 
November 2023Area Called
No SUL was called for November 2023 
October 2023Area Called
No SUL was called for October 2023 
September 2023Area Called
No SUL was called for September 2023 
August 2023Area Called
No SUL was called for August 2023 
July 2023Area Called
No SUL was called for July 2023 
June 2023Area Called
No SUL was called for June 2023 
May 2023Area Called
No SUL was called for May 2023 
April 2023Area Called
No SUL was called for April 2023 
March 2023Area Called
No SUL was called for March 2023 
February 2023Area Called
No SUL was called for February 2023 
January 2023Area Called
No SUL was called for January 2023