High BTU Gas Arrives Today

Friday, May 11, 2007

Pacific Gas and Electric Company's California Gas Transmission received approximately 5 hours of high BTU gas from Gas Transmission Northwest at Malin just after 6:50 p.m. Pacific time, Thursday May 10. The BTU level of delivered gas is expected to be between 1030 - 1045 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 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 flowing rapidly through the system and arrived at the Sacramento area at 11:00 a.m. Pacific time today. High BTU gas volumes are estimated to flow through Santa Rosa at approximately 3:00 p.m. and Vacaville/Cordelia at 3:30 p.m. today. The volumes are expected to arrive in Modesto at 8:30 a.m. Pacific time on May 12, 2007.

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

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