Tallgrass Energy Partners
Tallgrass Energy Partners is a United States energy infrastructure company operating natural-gas, oil, storage, and lower-carbon energy assets.
Last updated August 31, 2026
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Overview
Tallgrass Energy Partners is a United States energy infrastructure company focused on transporting, storing, and processing energy commodities and developing lower-carbon energy projects. Founded in 2012, the company built a large midstream platform centered on long-distance pipeline systems, storage facilities, and related infrastructure. Its operating footprint extends across 15 states and includes more than 10,000 miles of energy infrastructure, with corporate headquarters in Kansas City, Kansas, an operational headquarters in Denver, Colorado, and a significant office presence in Houston, Texas. The company’s traditional business has been concentrated in regulated natural-gas and oil transportation. Its natural-gas portfolio includes five FERC-regulated pipeline systems: Rockies Express Pipeline, Ruby, Trailblazer, Tallgrass Interstate Gas Transmission, and Cheyenne Connector. These systems connect producing regions, storage facilities, power-generation markets, industrial customers, and other pipeline networks. Tallgrass also operates East Cheyenne Gas Storage, supporting supply reliability and market balancing in the central United States. Its oil infrastructure includes the Pony Express, Powder River Express, and Iron Horse pipeline systems, together with approximately 8.3 million barrels of oil-terminal storage capacity. These assets support the movement and handling of crude oil from producing areas, particularly in the Rocky Mountain and central United States regions. The company’s business model has historically emphasized fee-based infrastructure and regulated transportation services rather than direct exposure to commodity prices, although the precise commercial arrangements vary by asset. Tallgrass was publicly traded on the New York Stock Exchange under the symbols TEP, TEGP, and TGE at different stages of its corporate and partnership structure. The company was taken private in 2020 and became part of the Blackstone group of companies. Following that transaction, Tallgrass continued operating its established midstream platform while broadening its strategic focus beyond conventional hydrocarbons. Since 2020, Tallgrass has developed a lower-carbon, clean-fuels, and clean-energy business. Projects described in reference material include conversion of the Trailblazer pipeline for carbon-dioxide service, a joint venture intended to produce more than 2 billion gallons of sustainable aviation fuel, and investment in Escalante H2 Power. The latter is intended to convert a retired coal-fired power plant into a hydrogen-fired power-generation facility. These initiatives position Tallgrass as an infrastructure owner seeking to reuse existing assets for carbon management, hydrogen, and other energy-transition applications while retaining its established pipeline and storage businesses. Matthew P. Sheehy became President and Chief Executive Officer in 2022. Tallgrass therefore combines a large conventional midstream network with an expanding portfolio of carbon-management, sustainable-fuel, hydrogen, and clean-power projects. The company remains primarily a United States infrastructure operator, and its public identity is tied to the Tallgrass Energy name and the assets formerly associated with Tallgrass Energy Partners.
History
Tallgrass Energy Partners was established in 2012 as an energy infrastructure partnership focused on midstream assets in the United States. Its development reflected the growing importance of pipeline and storage infrastructure connecting producing basins with utilities, industrial users, refiners, export channels, and regional gas markets. Rather than operating primarily as a commodity producer, Tallgrass concentrated on transportation and storage systems, including assets subject to Federal Energy Regulatory Commission oversight. The company assembled a broad natural-gas platform. Its portfolio included Rockies Express Pipeline, a major long-distance system; Ruby Pipeline; Trailblazer Pipeline; Tallgrass Interstate Gas Transmission; and Cheyenne Connector. Together, these systems served multiple producing and consuming regions and gave Tallgrass exposure to interstate natural-gas transportation. East Cheyenne Gas Storage complemented the pipeline network by providing storage capacity used for supply management and market flexibility. Tallgrass also operated oil infrastructure. The Pony Express, Powder River Express, and Iron Horse systems supported crude-oil transportation, while its terminal network provided approximately 8.3 million barrels of storage. This combination of pipelines and terminals gave the company a presence in both transportation and physical handling of oil, particularly across the central and Rocky Mountain regions of the United States. During its public-market period, Tallgrass Energy Partners traded on the New York Stock Exchange under the symbols TEP, TEGP, and TGE at different points in the evolution of its partnership and related corporate structure. The public listing gave investors access to a midstream platform whose revenues were associated largely with infrastructure services. In 2020, Tallgrass was taken private and became part of the Blackstone group of companies. The transaction marked a major ownership change and ended the company’s status as an NYSE-listed partnership. After 2020, Tallgrass retained its conventional pipeline and storage operations while adding a stronger emphasis on energy-transition infrastructure. One major direction has been the potential conversion of the Trailblazer pipeline to carbon-dioxide service. Reusing existing pipeline corridors and assets for carbon transport reflects Tallgrass’s effort to apply its midstream capabilities to carbon-management projects. The company has also participated in a joint venture designed to produce more than 2 billion gallons of sustainable aviation fuel, extending its activities into low-carbon liquid fuels. Another significant initiative is Tallgrass’s investment in Escalante H2 Power, also referred to as EH2 Power. The project is intended to convert a retired coal-fired power plant into a facility capable of generating electricity using clean hydrogen. This project illustrates the company’s broader strategy of combining existing energy infrastructure, power-generation sites, and emerging fuels rather than limiting its business to conventional natural gas and oil transportation. In 2022, Matthew P. Sheehy became President and Chief Executive Officer. Under the company’s current identity, Tallgrass combines a substantial regulated and fee-based midstream network with development of carbon, sustainable-fuel, hydrogen, and clean-power opportunities. Its operational footprint remains concentrated in the United States, with corporate headquarters in Kansas City, Kansas, an operational headquarters in Denver, Colorado, and a major office in Houston, Texas.
- 2022
Matthew P. Sheehy becomes chief executive
[1]Matthew P. Sheehy is named President and Chief Executive Officer.
- 2020
The company is taken private
[1]Tallgrass Energy Partners leaves the New York Stock Exchange after being taken private and becomes part of the Blackstone group of companies.
- 2020
Lower-carbon infrastructure becomes a strategic focus
[1]Tallgrass begins developing a broader clean-energy and lower-carbon portfolio, including carbon-dioxide transportation, sustainable aviation fuel, and hydrogen-to-power initiatives.
- 2012
Tallgrass Energy Partners is founded
[1]Tallgrass Energy Partners is established as a United States energy infrastructure partnership.
Products and positioning
A large-scale, safety-focused United States energy infrastructure operator combining regulated natural-gas and oil transportation with storage and emerging lower-carbon, clean-fuels, hydrogen, and carbon-management projects.
Natural-gas transportation
Natural-gas pipeline systems
Tallgrass operates five FERC-regulated natural-gas pipeline systems: Rockies Express Pipeline, Ruby, Trailblazer, Tallgrass Interstate Gas Transmission, and Cheyenne Connector. These assets move gas between producing regions, storage facilities, power markets, industrial customers, and interconnected pipeline networks across the United States.
Oil transportation
Oil pipeline systems
The company’s oil transportation portfolio includes the FERC-regulated Pony Express, Powder River Express, and Iron Horse systems. They provide infrastructure for moving crude oil from producing areas to refineries, terminals, and other downstream connections.
Natural-gas storage
East Cheyenne Gas Storage
East Cheyenne Gas Storage supports the wider natural-gas network by holding gas for later use. Storage infrastructure can help customers manage seasonal demand, short-term supply changes, and regional balancing requirements.
Oil storage
Oil terminal storage
Tallgrass operates oil-terminal facilities with approximately 8.3 million barrels of storage capacity. These terminals support receipt, holding, handling, and onward movement of crude oil within the company’s broader transportation platform.
Carbon-management infrastructure
Trailblazer carbon-dioxide conversion
Tallgrass has pursued conversion of the Trailblazer pipeline to carbon-dioxide service. The initiative is intended to reuse an existing transportation corridor for carbon-management applications, extending the company’s pipeline expertise into lower-carbon infrastructure.
Clean fuels
Sustainable aviation fuel joint venture
Tallgrass participates in a joint venture intended to produce more than 2 billion gallons of sustainable aviation fuel. The initiative represents an expansion from conventional midstream services into lower-carbon fuels for the aviation sector.
Hydrogen-to-power
Escalante H2 Power
Escalante H2 Power, also known as EH2 Power, is a project backed by Tallgrass that seeks to convert a retired coal-fired power plant into a clean hydrogen-fired power-generation facility. It combines repurposing of existing power infrastructure with development of hydrogen-based generation.
Brand decisions
2020
Move from public partnership to private ownershipM&ABackground
Tallgrass Energy Partners had traded on the New York Stock Exchange under several related symbols before its ownership structure changed.
Action taken
The company was taken private and became part of the Blackstone group of companies.
Aftermath
Tallgrass ceased to be publicly traded and continued operating its pipeline, storage, and developing lower-carbon infrastructure businesses as a privately held Blackstone company.
2020
Expansion into lower-carbon and clean-energy infrastructureStrategyBackground
Tallgrass sought to use its established pipeline, storage, and energy-project capabilities in markets beyond conventional oil and natural gas.
Action taken
The company developed initiatives involving carbon-dioxide transportation, sustainable aviation fuel, hydrogen-to-power generation, and other clean-energy applications.
Aftermath
Tallgrass broadened its strategic profile from a conventional midstream operator into an energy infrastructure company with both hydrocarbon and energy-transition activities.
Sources1 sources
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