Kemmerer HP Replacement Project

Background

The Northwest Pipeline system has changed significantly since its beginnings more than 60 years ago. Today, the pipeline is a primary artery for the transmission of natural gas to the Pacific Northwest and Intermountain Region. What began as a 1,500-mile pipeline is now a 4,000-mile bi-directional transmission system crossing the states of Washington, Oregon, Idaho, Wyoming, Utah and Colorado. Northwest’s bi-directional system provides access to Alberta, British Columbia, Rocky Mountain and San Juan Basin gas supplies.

Project Description

In our commitment to reducing emissions and promoting a cleaner environment, Williams will replace four legacy reciprocating engine compressors and one legacy turbine-driven compressor with modern, low NOx-emitting, natural gas-fired turbine compressors in Kemmerer, Wyoming. This project will be regulated by the Federal Energy Regulatory Commission (FERC) under the 7(c) application filing process, to ensure thorough consultation with state, local, and federal agencies, and community stakeholders. Once approved by FERC, the Kemmerer HP Replacement project will reduce NOx emissions by 99% and potential methane emissions by 94% by the 4th quarter of 2027.

Scope of Work

The scope of work at Kemmerer will include the replacement of existing Cooper GMWC-6 (Units 1-3), Cooper V6-250 (Unit 4), and Centaur 40S T-4702S (Mobile Unit) compressors and associated infrastructure with one Mars 90 turbine-driven compressor package with gas cooling, seal gas recovery equipment, and associated infrastructure such as new valves, buildings, and essential mechanical and electrical systems.

Project Benefits

• Reducing Nox by 99% and potential methane emissions by 94% at this facility.
• Enhances energy infrastructure reliability on the NWP, reducing maintenance outages and downtime to meet regional demand for affordable energy.