High BTU Gas

Friday, May 26, 2017

Updated: An additional duration of higher than previously announced (below) High BTU gas arrives Friday afternoon, May 26, 2017 for appoximately 8 hours. The BTU value of the delivered gas is expected to range between 1055-1065 BTU/cf during this period.

---Original Message 05/23/2017 09:00 a.m ----

Pacific Gas and Electric Company's California Gas Transmission will begin receiving higher-than-normal heating value gas into its system on Wednesday morning, May 24, 2017. The high BTU gas is coming in at the Gas Transmission Northwest (GTN) interconnect at Malin and has an expected duration of 336 hours (approximately two weeks). The speed at which the high BTU gas will migrate through the system is dependent upon the system demand pattern experienced by the local transmission and distribution systems. The BTU value of the delivered gas is expected to range between 1042-1052 BTU/cf, which is above normal levels of approximately 1030 BTU/cf.

The BTU content throughout PG&E's system is expected to 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.

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

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