Nature of Operations	6 Months Ended
Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Operations	Note 1 — Nature of Operations UGI is a holding company that, through subsidiaries and affiliates, distributes, stores, transports and markets energy products and related services in the U.S. and Europe. We own and operate (1) natural gas and electric distribution utilities; (2) energy marketing, midstream infrastructure, storage, natural gas gathering and processing, natural gas production, electricity generation prior to the sale of UGID in September 2024 and energy services businesses; and (3) retail propane and other LPG marketing and distribution businesses. Our Utilities segment includes UGI Utilities and Mountaineer. PA Gas Utility serves customers in eastern and central Pennsylvania and in portions of one Maryland county, and WV Gas Utility serves customers in West Virginia. Electric Utility serves customers in portions of Luzerne and Wyoming counties in northeastern Pennsylvania. PA Gas Utility is subject to regulation by the PAPUC and FERC and, with respect to its customers in Maryland, the MDPSC. WV Gas Utility is subject to regulation by the WVPSC and FERC. Electric Utility is subject to regulation by the PAPUC and FERC. Energy Services conducts, directly and through subsidiaries and affiliates, energy marketing, including RNG, midstream transmission, LNG storage, natural gas gathering and processing, natural gas and RNG production, electricity generation prior to the sale of UGID in September 2024 and energy services businesses primarily in the eastern region of the U.S., eastern Ohio, the panhandle of West Virginia and California. Energy Services and its subsidiaries’ storage, LNG and portions of its midstream transmission operations are subject to regulation by the FERC. Prior to its sale in September 2024, UGID owned electricity generation facilities principally located in Pennsylvania. UGI International, LLC, through its subsidiaries and affiliates, primarily conducts an LPG distribution business throughout much of Europe. The LPG business is conducted principally through our subsidiaries, UGI France, Flaga, AvantiGas, and UniverGas. As of the end of the first quarter of Fiscal 2024, UGI International had exited substantially all of its European energy marketing business which primarily marketed natural gas and electricity to customers through third-party distribution systems in France, Belgium, the Netherlands, and the United Kingdom. See Note 5 for additional information regarding the UGI International energy marketing business. We conduct a domestic propane marketing and distribution business through AmeriGas Partners. AmeriGas Partners conducts its propane marketing and distribution business through its principal operating subsidiary AmeriGas OLP.

UGI is a holding company that, through subsidiaries and affiliates, distributes, stores, transports and markets energy products and related services in the U.S. and Europe. We own and operate (1) natural gas and electric distribution utilities; (2) energy marketing, midstream infrastructure, storage, natural gas gathering and processing, natural gas production, electricity generation prior to the sale of UGID in September 2024 and energy services businesses; and (3) retail propane and other LPG marketing and distribution businesses.

Our Utilities segment includes UGI Utilities and Mountaineer. PA Gas Utility serves customers in eastern and central Pennsylvania and in portions of one Maryland county, and WV Gas Utility serves customers in West Virginia. Electric Utility serves customers in portions of Luzerne and Wyoming counties in northeastern Pennsylvania. PA Gas Utility is subject to regulation by the PAPUC and FERC and, with respect to its customers in Maryland, the MDPSC. WV Gas Utility is subject to regulation by the WVPSC and FERC. Electric Utility is subject to regulation by the PAPUC and FERC.

Energy Services conducts, directly and through subsidiaries and affiliates, energy marketing, including RNG, midstream transmission, LNG storage, natural gas gathering and processing, natural gas and RNG production, electricity generation prior to the sale of UGID in September 2024 and energy services businesses primarily in the eastern region of the U.S., eastern Ohio, the panhandle of West Virginia and California. Energy Services and its subsidiaries’ storage, LNG and portions of its midstream transmission operations are subject to regulation by the FERC. Prior to its sale in September 2024, UGID owned electricity generation facilities principally located in Pennsylvania.

UGI International, LLC, through its subsidiaries and affiliates, primarily conducts an LPG distribution business throughout much of Europe. The LPG business is conducted principally through our subsidiaries, UGI France, Flaga, AvantiGas, and UniverGas. As of the end of the first quarter of Fiscal 2024, UGI International had exited substantially all of its European energy marketing business which primarily marketed natural gas and electricity to customers through third-party distribution systems in France, Belgium, the Netherlands, and the United Kingdom. See Note 5 for additional information regarding the UGI International energy marketing business.