More Volumes of High BTU Gas Arrive

Tuesday, December 19, 2006

Pacific Gas and Electric Company's California Gas Transmission received approximately 24 hours of high BTU gas from Gas Transmission Northwest at Malin just after 6:40 p.m. Pacific time, Monday December 18. The BTU level is expected to reach 1037 BTU/CF which is above normal levels of 1020 BTU/CF. The speed at which the high BTU gas will migrate throughout the system is dependent on the system demand pattern experienced by the local transmission and distribution system for each area. The BTU content of the delivered gas will range from 1032-1037 BTU/CF.

The BTU content throughout PG&E's system will remain within existing parameters for safe and reliable equipment operation. However, some customer processes may be sensitive to natural gas heat content, especially electric generation facilities, refineries, glass manufacturers and commercial customers using natural gas for cooking and drying. Customers testing their emissions may notice the increased BTU content.

Based on system conditions, the higher-than-normal BTU gas volumes are expected to arrive at Redding, Red Bluff, Eureka, Willows, and Sacramento areas today. Areas that will be affected tomorrow, December 20, are Vacaville/Cordelia, Vallejo, Santa Rosa, Antioch/Concord/East Bay and the Stockton area. Customers south of these regions should not be affected.

If you have any questions about this information, please contact your CGT Account Services Representative.

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