Spire Missouri Inc. has filed an application with the Missouri Public Service Commission seeking to adjust the infrastructure system replacement surcharge (ISRS) on the bills of its Spire East and Spire West natural gas customers. The surcharge first appeared on Spire East and Spire West customer bills in 2004. Spire seeks the adjustment to reflect infrastructure replacement investments made by the natural gas company from June 1, 2021, through Nov. 30, 2021. Spire’s application includes pro forma ISRS costs for December 2021. These costs for natural gas pipeline replacements and relocations are not currently included in Spire’s rates. The current...

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