Company: ATO
Filing Date: 2025-11-14
Form Type: 10-K
Source: 0000731802-25-000056
Chunk: 7

Company: ATMOS ENERGY CORP
Filing Date: 2025-11-14
Form: 10-K
Item: Item 1
Chunk 7
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37,860)(8,402)Other ratemaking activity(971)— (971)Total 2024 Filings$376,250 $(69,174)$307,076 2023 Filings:Annual formula rate mechanisms$258,824 $(1,099)$257,725 Rate case filings2,940 6,791 9,731 Other ratemaking activity1,320 — 1,320 Total 2023 Filings$263,084 $5,692 $268,776 

The following ratemaking efforts seeking $231.1 million in annual operating income were initiated during fiscal 2025 but had not been completed or implemented as of September 30, 2025:

8

DivisionRate ActionJurisdictionOperating IncomeRequested(In thousands)Colorado-KansasRate CaseKansas$15,977 Colorado-KansasInfrastructure MechanismKansas (1)1,949 Kentucky/Mid-StatesInfrastructure MechanismVirginia (2)550 Kentucky/Mid-StatesInfrastructure MechanismKentucky (3)7,246 Mid-TexFormula Rate MechanismMid-Tex Cities (4)165,027 MississippiRate CaseMississippi (5)40,301 $231,050 

(1)     The staff of the Kansas Corporation Commission recommended approval of the GSRS filing on October 17, 2025, subject to commission approval.

(2)    On August 22, 2025, the State Corporation Commission of Virginia approved a rate increase of $0.5 million effective October 1, 2025.

(3)    On September 15, 2025, the Kentucky Public Service Commission approved a rate increase of $7.2 million effective October 2, 2025, subject to refund.

(4)    The Mid-Tex Cities approved a rate increase of $138.5 million. New rates were implemented October 1, 2025. 

(5)    On November 4, 2025, the Mississippi Public Service Commission issued a rate order in this case. We are required to file tariffs consistent with the final order by November 18, 2025, which we expect will determine the final impact to operating income and rate base. We expect rates to be implemented during the first quarter of fiscal 2026.

Our recent ratemaking activity is discussed in greater detail below.

Annual Formula Rate Mechanisms