SATURDAY BRIEFING: SoCalGas Seeks 14.8% BTS Rate Increase as Southern System Faces Supply Deficit

Good morning.

SoCalGas is proposing a 14.8% increase in Backbone Transportation Service rates, by far the largest percentage increase among the customer categories in its 2028 General Rate Case. The request comes as the Southern System faces a more immediate strain: incoming supplies have fallen below minimum operating requirements, prompting a warning that noncore customers could face curtailment.

Meanwhile, the CPUC is considering loosening some of SoCalGas’s gas-purchasing rules in response to declining supplier participation and thin market liquidity.

Also: the CPUC has reopened its Building Decarbonization proceeding to consider whether Tribal lands should be exempt from the end of electric line-extension subsidies for mixed-fuel construction.

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