El Paso expanded a location-specific Strained Operation Condition (SOC) due to drafting-caused low linepack that it had declared Saturday to a systemwide SOC Sunday. The imbalance tolerance was set initially at 10%, El Paso said, but will be reduced “if conditions do not sufficiently improve.” System linepack had fallen below 7,100 MMcf “with continued takes in excess of scheduled deliveries. Additionally, the San Juan supply basin continues to experience underperformance issues related to the cold weather with an approximate shortfall of 400 MMcf at the present time [Sunday] and [El Paso] is beginning to see underperformance in the Permian supply basin as well. Performance caps have been placed and will continue to be placed on underperforming supplies.” Its Washington Ranch storage facility was on maximum withdrawal, the pipeline said. Interruptible Storage Service was suspended Sunday until further notice.

Northern Natural Gas has posted a System Overrun Limitation for the New Market, MN, #1 Town Border Station for Tuesday and Wednesday. Zero System Management Service is available during those days, Northern said.

MRT is lifting Tuesday a System Protection Warning that was implemented last Thursday due to warmer temperatures in its service area.

CIG reported experiencing an unexpected force majeure outage Christmas Eve due to engine vibrations at Niobrara Compressor Station on its Northeast Colorado Lateral. While physical flows at Niobrara were reduced to zero, CIG said, it will not reduce firm nominations (firm entitlements at the station are 3,610 Mcf/d). Repairs were estimated to be completed by Wednesday of this week.

ANR plans engine maintenance during January at several compressor stations along its Southeast Mainline (SEML), which will reduce total SEML capacity by 300 MMcf/d (leaving 1,103 MMcf/d available) Jan. 1-5 and by 50 MMcf/d (leaving 1,353 MMcf/d available) Jan. 6-31. Based on current nominations, ANR anticipated that the reductions may result in the curtailment of Interruptible and Firm Secondary services.

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