Southern Natural Gas is implementing an OFO Type 6 Friday for long imbalances. Tiered penalties will apply to positive imbalances exceeding 2% or 200 dekatherms, whichever is less. Southern expected the OFO to stay in effect through at least Sunday. The pipeline also declared force majeure and expected to begin maintenance Thursday afternoon on its South Main Loop Line downstream of Wrens Compressor Station; the work is expected to last through Oct. 12 and is reducing capacity in Group 07 East of Wrens by about 175 MMcf/d. See the bulletin board for a list of affected points. A spokesman said field personnel had not isolated the Loop Line yet as of mid-afternoon Thursday, so the work might start later that day but might not get under way until Friday.

Pacific Gas & Electric expanded Thursday’s customer-specific OFO into a systemwide Stage 3 high-inventory OFO for Friday. Penalties of $5/Dth will be assessed to customers who exceed a 5% tolerance for positive daily imbalances.

NGPL will make piping modifications Oct. 3-6 at Columbus Junction Storage Facility (Station 204) in Louisa County, IA. Columbus Junction will be unavailable during this time, impacting NGPL’s ability to inject gas on its Amarillo System. As a result, the capability for Amarillo-sourced injections under all firm storage services will be reduced. Injections under the DSS, FSS and NSS Rate Schedules that are sourced from the Amarillo System will be at risk of not getting fully scheduled up to a Shipper’s applicable Maximum Daily Injection Quantity, depending on the overall level of firm Amarillo injection nominations and no-notice service, NGPL said. The work previously had been set for Oct. 3-5 and Oct. 10-12, but NGPL said Thursday afternoon it had compressed the two three-day schedules into one of four days.

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