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Kansas Gas Service

A regulated natural-gas distribution utility serving customers and communities across Kansas.

Last updated August 31, 2026

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Overview

Kansas Gas Service is the largest natural-gas distribution company in the U.S. state of Kansas. The regulated utility serves approximately 634,000 customers in 360 communities across 82 Kansas counties and operates roughly 13,500 miles of service lines, pipelines, and related natural-gas infrastructure. Its network is connected to seven interstate pipelines and three intrastate pipeline systems, giving the company an important role in bringing purchased and stored natural gas to residential, commercial, industrial, and other customers throughout the state. The company is headquartered in Overland Park, Kansas. Its modern corporate identity dates to 1997, when ONEOK acquired the Kansas natural-gas assets of Western Resources, the successor to a combination of Kansas Gas & Electric and Kansas Power & Light. Those predecessor utilities provide a longer historical lineage for Kansas Gas Service. Before the 1990s consolidation, related gas operations also extended into parts of Missouri and Oklahoma, and portions of Kansas Gas Service’s predecessor business were associated with Missouri Gas Service under the name The Gas Service Company. From 1997 through 2014, Kansas Gas Service operated as a division of ONEOK, a Tulsa-based energy company. In 2014, ONEOK separated Kansas Gas Service and the group’s Oklahoma and Texas distribution businesses into a new publicly traded company, ONE Gas. Kansas Gas Service subsequently became a principal operating utility within the ONE Gas system, while continuing to serve Kansas under its established local brand. The company’s activities extend beyond routine delivery. Kansas Gas Service manages distribution infrastructure, storage-related assets, inspection and maintenance programs, emergency response, and customer-safety activities. Its operations include underground storage in depleted gas reservoirs and the management of issues involving injected gas, underground migration, well integrity, and property rights. These activities are shaped by Kansas law and utility regulation, including state rules concerning ownership and rights associated with stored natural gas. Safety and reliability are central to the company’s operating model. Kansas Gas Service monitors pipelines and storage facilities, carries out inspections and maintenance, and uses risk-management procedures intended to reduce the likelihood of leaks and other incidents. The company also supports energy-efficiency education, energy-safety outreach, and assistance resources for households facing difficulty paying utility bills. The utility has participated in environmental and resilience-related initiatives. Its work with the Kansas Department of Transportation included developing carbon-emissions baselines for state buildings, supporting efforts to measure and reduce energy use. Following the 2007 tornado that devastated Greensburg, Kansas, the company contributed to rebuilding efforts connected with alternative fuels and advanced vehicle technologies. These activities complement its core role as a regulated gas distributor while reflecting the broader community and environmental responsibilities associated with operating energy infrastructure.

History

Kansas Gas Service’s roots lie in the development of natural-gas operations associated with Kansas Gas & Electric and Kansas Power & Light. Those two Kansas utilities merged in 1992 to form Western Resources, later known as Evergy. The merger brought related electricity and gas businesses into a larger corporate structure and established the predecessor assets from which the present Kansas Gas Service network developed. The company’s corporate formation in its current historical form occurred in 1997, when ONEOK purchased Western Resources’ natural-gas assets in Kansas. The transaction placed Kansas Gas Service within ONEOK, a Tulsa-based energy company, and made the Kansas utility part of a broader group of regulated gas-distribution businesses. Earlier predecessor operations had at times served areas outside Kansas, including portions of Missouri and Oklahoma. Some of those activities were connected with Missouri Gas Service and were operated together as The Gas Service Company before Kansas Power and Light acquired the business in the late 1980s. Under ONEOK, Kansas Gas Service expanded and operated as the group’s Kansas distribution division. Its business centered on regulated delivery of natural gas through a large network of pipelines and service lines, supported by storage facilities and connections to interstate and intrastate pipeline systems. The company’s infrastructure and customer base made it the largest natural-gas distribution utility in Kansas, with service extending across hundreds of communities and most of the state’s counties. A major corporate turning point came in 2014. ONEOK separated Kansas Gas Service and its sister distribution companies, Oklahoma Natural Gas Company and Texas Gas Service, into ONE Gas. The transaction created a standalone publicly traded natural-gas distribution company while preserving the local utility brands and their state-specific operations. Kansas Gas Service became a principal operating subsidiary of ONE Gas and continued to conduct business in Kansas under its established name. The company’s operating history also includes the management of underground natural-gas storage. Storage in depleted gas reservoirs creates technical and legal responsibilities involving injection, well integrity, monitoring, possible underground migration, and the rights of landowners. Kansas law, including provisions addressing ownership and rights connected with injected natural gas, forms part of the legal environment in which these assets are managed. Regular inspection, maintenance, and monitoring are used to reduce the risks associated with storage and distribution infrastructure. Beyond infrastructure operations, Kansas Gas Service has participated in customer, environmental, and community programs. It has supported energy-safety and conservation education and provided resources linked to assistance for low-income households. Its work with the Kansas Department of Transportation on carbon-emissions baselines for state buildings reflects an effort to support energy measurement and efficiency. After the 2007 tornado in Greensburg, the company contributed to rebuilding initiatives involving alternative fuels and advanced vehicle technologies. These efforts broadened its community role during a period of local reconstruction. Today, Kansas Gas Service remains an active regulated utility serving Kansas customers through a large distribution and storage system. Its history combines the legacy of earlier Kansas gas subsidiaries, ONEOK’s 1997 acquisition of Western Resources’ gas assets, and the 2014 creation of ONE Gas as the parent of the Kansas, Oklahoma, and Texas distribution businesses.

  • 2014

    ONE Gas is established

    [1]

    ONEOK spun off Kansas Gas Service and its Oklahoma and Texas distribution companies into ONE Gas, which became the parent company of the Kansas utility.

  • 2007

    Support for Greensburg rebuilding

    [1]

    Following a tornado that devastated Greensburg, Kansas, Kansas Gas Service supported rebuilding efforts involving alternative fuels and advanced vehicle technologies.

  • 1997

    ONEOK acquires Kansas gas assets

    [1]

    ONEOK purchased the natural-gas assets of Western Resources, establishing Kansas Gas Service in its modern corporate form as a ONEOK division.

  • 1992

    Western Resources is formed

    [1]

    Kansas Gas & Electric and Kansas Power & Light merged to form Western Resources, bringing together predecessor utility operations that later contributed to Kansas Gas Service.

Products and positioning

A regulated, Kansas-focused natural-gas utility emphasizing dependable distribution, infrastructure safety, storage management, customer service, and community support.

  • Utility service

    Residential natural-gas distribution

    Kansas Gas Service delivers regulated natural gas to households throughout its Kansas service territory. The offering depends on a broad network of mains, service lines, meters, storage resources, and connections to interstate and intrastate pipeline systems. Residential service is supported by customer-safety information, conservation guidance, maintenance programs, and resources for qualifying customers who need help managing energy costs.

  • Utility service

    Commercial and industrial natural-gas distribution

    The company supplies natural gas to commercial, industrial, institutional, and other non-residential customers across Kansas. This service uses the same regulated distribution platform but may involve different demand profiles, infrastructure requirements, operational coordination, and reliability considerations. The company’s pipeline and storage assets help support delivery across a geographically extensive customer base.

  • Energy infrastructure

    Natural-gas storage operations

    Kansas Gas Service operates and manages underground natural-gas storage facilities, including storage in depleted gas reservoirs. These assets help manage supply and system requirements but also require monitoring of wells, storage formations, injected gas, potential underground migration, and related property-rights issues. Inspection, maintenance, and safety controls are part of the operating program.

Marketing campaigns

  • 2007Greensburg rebuilding support

    Kansas, United States

    Kansas Gas Service participated in support for the reconstruction of Greensburg after the town was struck by a destructive tornado. The company’s involvement included support for alternative fuels and advanced vehicle technologies as part of broader sustainability and resilience efforts.

    Outcome. The initiative contributed to community rebuilding and promoted lower-emission transportation and energy approaches, although the available reference does not quantify its results.

  • Energy safety and conservation outreach

    Kansas, United States

    The company provides community education and customer resources focused on natural-gas safety, energy conservation, and assistance options for households facing energy-cost challenges.

Brand decisions

  • 2014

    Separation from ONEOK into ONE GasM&A

    Background

    Kansas Gas Service had operated as a ONEOK division since ONEOK acquired Western Resources’ natural-gas assets in 1997. ONEOK subsequently reorganized its regulated distribution businesses.

    Action taken

    ONEOK spun off Kansas Gas Service together with Oklahoma Natural Gas Company and Texas Gas Service to form ONE Gas.

    Aftermath

    Kansas Gas Service continued operating as the Kansas utility within the ONE Gas group, while ONE Gas became a separate publicly traded natural-gas distribution company.

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