M&A Deal Summary

Williams Acquires MountainWest Pipelines

On December 15, 2022, Williams acquired utilities company MountainWest Pipelines from Southwest Gas for 1.5B USD

Acquisition Highlights
  • This is Williams’ 1st transaction in the Utilities sector.
  • This is Williams’ largest (disclosed) transaction.
  • This is Williams’ 10th transaction in the United States.
  • This is Williams’ 1st transaction in Nevada.

M&A Deal Summary
Date 2022-12-15
Target MountainWest Pipelines
Sector Utilities
Buyer(s) Williams
Sellers(s) Southwest Gas
Deal Type Divestiture
Deal Value 1.5B USD

Target

MountainWest Pipelines

Las Vegas, Nevada, United States
MountainWest Pipelines comprises roughly 2,000-miles of interstate natural gas pipeline systems. MountainWest Pipelines is based in Las Vegas, Nevada.

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Buyer(S) 1

Buyer

Williams

Tulsa, Oklahoma, United States
Category Company
Founded 1908
Sector Energy Services and Equipment
Employees5,601
Revenue 10.9B USD (2023)
DESCRIPTION
Williams' headquarters in downtown Tulsa, Oklahoma.
Williams' headquarters in downtown Tulsa, Oklahoma.

Williams is a North American energy infrastructure company. It owns interests in or operates 15,000 miles of interstate gas pipelines, 1,000 miles of NGL transportation pipelines, and more than 10,000 miles of oil and gas gathering pipelines. Williams was formed in 1908 and is based in Tulsa, Oklahoma.

DEAL STATS #
Overall 10 of 10
Sector (Utilities) 1 of 1
Type (Divestiture) 3 of 3
State (Nevada) 1 of 1
Country (United States) 10 of 10
Year (2022) 2 of 2
Size (of disclosed) 1 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2022-09-08 NorTex Midstream Partners

Houston, Texas, United States

NorTex Midstream Partners is an independently owned developers and operators of high-deliverability, multi-cycle natural gas storage capacity. NorTex was founded in 2007 and is based in Houston, Texas.

Buy $423M

Seller(S) 1

SELLER

Southwest Gas

Las Vegas, Nevada, United States
Category Company
Founded 1931
Sector Utilities
Employees14,943
Revenue 5.4B USD (2023)
DESCRIPTION
Southwest Gas Corporation's headquarters in Las Vegas, Nevada.
Southwest Gas Corporation's headquarters in Las Vegas, Nevada.

Southwest Gas is a provider of natural gas service to customers in Arizona, California and Nevada. Southwest Gas was founded in 1931 and is based in Las Vegas, Nevada.

DEAL STATS #
Overall 1 of 1
Sector (Utilities) 1 of 1
Type (Divestiture) 1 of 1
State (Nevada) 1 of 1
Country (United States) 1 of 1
Year (2022) 1 of 1
Size (of disclosed) 1 of 1
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2003-10-20 Black Mountain Gas

Cave Creek, Arizona, United States

Black Mountain Gas Co. a natural gas distribution company.

Buy $25M
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