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“Pursuant to the proposed rates in Columbia’s filing notice, which includes the most recently effective gas cost rates, the total bill for a residential customer who purchases 70 therms of gas from Columbia per month, would increase from $138.52 to $154.29 per month, or by 11.38 percent. The total bill for a small commercial customer using 150 therms of gas purchased from Columbia per month would increase from $240.61 to $269.45, or by 11.99 percent. Rates for a small industrial customer using 1,460 therms of gas from Columbia per month would increase from $1,907.69 to $2,109.67 per month, or by 10.59 percent.”

“Columbia’s filing reflects an overall revenue increase of approximately $110.5 million per year. The filing also includes a request for approval of a Revenue Normalization Adjustment mechanism to stabilize utility revenue regardless of changes in actual customer usage and a to make permanent Columbia’s currently effective Pilot Weather Normalization Adjustment. Columbia’s filing also includes requests to extend its Energy Efficiency Pilot for residential customers and to initiate an Energy Efficiency Program Pilot for small commercial customers. Additionally, Columbia is requesting Commission approval of an Economic Development Distribution Service tariff to allow Columbia the flexibility to enter into individual contracts with new large volume customers in a manner that provides for accelerated recovery of costs to provide such service from customers who receive that service.”

See case file link below for full set of Exhibits and Testimony.  

Rate Case Cover Letter  (03/20/2025)
Consolidated Case of Docket R-2025-3053499
(Columbia Gas Rate Case)