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Vinson & Elkins LLP

Work +1 202 639 6500
Fax +1 202 639 6604
Austin, Beijing, Dallas, Dubai, Hong Kong, Houston and 10 more

John Decker

Work +1 202 639 6599
Vinson & Elkins LLP

Work Department

Energy Regulatory


John represents companies in the energy industry in transactional and regulatory matters. John has worked on numerous domestic and international transactions involving the production and transportation of natural gas and liquefied natural gas, the development of gas-fired power plants, and the sale or acquisition of electric power and natural gas assets. He has analyzed the regulatory systems of several foreign countries. John has also represented natural gas pipeline owners, liquefied natural gas importers, investor-owned utilities, owners of qualifying facilities, exempt wholesale generators, electric power marketers, and municipalities before the Federal Energy Regulatory Commission (FERC) and the Department of Energy (DOE). John has also provided advice on commercial and regulatory issues in the domestic retail electricity market.


  • Member, Energy Bar Association


John graduated from Duke University, A.B. in 1991 (Fraternity: Omicron Delta Epsilon Honor Society in Economics), and the University of Virginia, J.D. in 1994 (Fraternity: Order of the Coif). John served as the Editor-in-Chief of the Virginia Environmental Law Journal. He was admitted to the Maryland Bar in 1994 and the District of Columbia Bar in 1996.

United States: Industry focus

Energy regulatory: conventional power

Within: Energy regulatory: conventional power

Vinson & Elkins LLP is recommended for representing its clients before state and federal authorities, including FERC, DOE, the Electric Reliability Council of Texas (ERCOT) and the Public Utility Commission of Texas (PUCT). The group, jointly led by David Andril and Matthew Henry, specializes in rate cases, compliance matters, enforcement proceedings as well as the purchase and sale of power generation facilities and transmission assets. John Decker advised Sundevil Power on the sale of two 550 MW power blocks under Section 363 of the Bankruptcy Code, while Richard Adams and Henry continue to represent Energy Future in various regulatory matters, including proceedings related to the disposal, export and importation of low-level radioactive waste as well as surface coal mine permit and reclamation bond proceedings.

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Energy regulatory: oil and gas

Within: Energy regulatory: oil and gas

Vinson & Elkins LLP has one of the most specialized practices in the natural gas and LNG industry sectors and handles tariff, certificate, abandonment and presidential permit applications, rate cases, gas quality proceedings, audits, compliance issues as well as petitions for declaratory orders. Anita Wilson is advising Jordan Cove on all regulatory issues related to the Jordan Cove Energy Project and Pacific Connector Gas Pipeline and together with James Seegers is also assisting TC PipeLines with the purchase of 49.3 percent interest in Iroquois Gas Transmission System and the remaining 11.8 percent interest in Portland Natural Gas Transmission System from TransCanada for $765m. John Decker continues to handle all regulatory aspects of the development of various small-scale LNG export projects for New Fortress Energy. Another area of expertise is crude oil; the team frequently assists multiple clients with regulatory and transactional matters such as drafting joint venture arrangements with midstream companies.

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