Market demands anticipated in conjunction with below-normal temperatures forecast for much of its Northeast market area required that an Imbalance OFO be issued effective Sunday, Transco said. OFO conditions were the same as for one issued earlier this month (see Daily GPI, Jan. 12).

Due to cold weather in its service area, MRT said Friday a System Protection Warning (SPW) would take effect Saturday until further notice. See the bulletin board for SPW conditions.

Forecasts for all of ANR‘s ML-7 market area beginning Saturday and continuing into this week “are projecting temperatures near or below zero degrees,” the pipeline said Friday in declaring an Extreme Condition that was to begin Saturday and run through Tuesday. It lowered ANR’s Swing Percentage (imbalance tolerance) from 10% to 5%. In addition, ANR is also not allowing any Unauthorized Overrun service under Rate Schedules FTS-1, FTS-2, FTS-3, FTS-4, FTS-4L, STS and ETS.

Southwest Gas cited high linepack on upstream pipelines, particularly on Kern River, and continued banking on Southwest’s system in issuing a Stage 3 OFO Friday. The OFO, which followed a “hold to burn notice” Thursday, cut the imbalance tolerance to zero and eliminated nominations for paying back imbalances to Southwest until further notice. Kern River reported high linepack systemwide Friday.

Citing “continued cold temperature forecasts,” Northern Natural Gas said the System Overrun Limitations it had implemented Friday for all market-area zones and for the New Market, MN, #1 Town Border Station would remain in effect through the Saturday-Monday period.

Florida Gas Transmission extended an Overage Alert Day (OAD) for market-area customers into its fourth day Friday, but restored the tolerance for negative daily imbalances to the original 25% that had been set when the OAD began Tuesday before being tightened to 15% Wednesday and 10% Thursday.

Westcoast said Friday it had restored to full operation one of the two processing trains at Pine River Gas Plant that went down Thursday morning due to a generator trip, but the plant’s third train remained out of service. It did not anticipate getting full Pine River production back prior to 6 p.m. MST Friday. A previously announced 50% firm service RGT (Raw Gas Transmission) constraint remained in effect until further notice, Westcoast said.

Southern California Gas said it lost 50 MMcf/d of injection capacity Friday at its Honor Rancho storage facility when repairs began on a damaged piston cylinder bore in compressor Unit #2. The work is expected to last through Friday of this week.

A day after saying it was extending a maintenance outage at Willard Compressor Station through Saturday (see Daily GPI, Jan. 23), Northwest said Willard would be restored to its design capacity of 533,000 Dth/d Saturday.

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