Tennessee issued a systemwide OFO Balancing Alert that was to take effect until further notice Saturday, saying it was experiencing high system linepack “due to overproduction, reduced demand and limited storage injection capacity.” The OFO requires customers under Rate Schedules LMS-MA and LMS-PA (including SAs) to keep actual daily deliveries into the system less than or equal to scheduled quantities plus 2% (or 500 dekatherms, whichever is greater) and actual daily takes out of the system greater than or equal to scheduled quantities minus 2% (or 500 dekatherms, whichever is greater). Customers will be charged $15 plus the applicable Regional Daily Spot Price for each dekatherm of gas outside of the designated tolerance, Tennessee said. Penalties will not apply to underdeliveries into the system or overtakes out of the system.

Transwestern revised Friday its estimates of impact on West of Thoreau capacity during maintenance outages that began last Monday at four stations in Arizona (see Daily GPI, March 16). Through April 18 West of Thoreau capacity will be reduced from its normal 1.09 Bcf/d to about 900,000 MMBtu/d. These are the approximate WOT volume limits through the rest of the work: April 19-May 7, 970,000 MMBtu/d; May 8-12, 720,000 MMBtu/d; and May 13-24, 970,000 MMBtu/d.

Transco said the North Terrebonne Gas Processing Plant in South Louisiana will shut down April 22 for about four days of planned maintenance. “In order to minimize final monthly imbalances, parties providing replacement quantities should monitor their April PVR imbalance status and make appropriate scheduling adjustments,” the pipeline said. As a result of the planned outage, Transco delivery points will see a temporary increase in the Btu heating content of their gas,

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