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Caterpillar Supports NorthWestern Energy’s Sustainability Goals by Supplying 58 MW Power Solution for New Plant in Huron, S.D.

For Worldwide Release: June 23, 2020 
Release Number: EEPR0920

DEERFIELD, IL – Caterpillar Inc. today announced an agreement with NorthWestern Energy (NYSE: NWE) to supply an integrated power solution that includes six Cat® G20CM34 gas generator sets for a new 58 MW power plant near Huron, S.D.

The Cat G20CM34 gas generator sets will replace combustion turbines currently operating at the Huron Generating Station.  By providing fast start capability and highly efficient energy production at varying load levels, the Cat G20CM34 generator sets will deliver the capacity needed for reliable, safe, and affordable service while accounting for the intermittent energy supply from renewable resources.

Caterpillar is also supplying selective catalytic reduction (SCR) emissions systems, switchgear, exhaust stacks, and control solutions for the new facility, which will be built on the current site.  Additionally, the power system will be equipped with Cat Connect services, which will enable the operations staff to optimize the performance and maintenance of the plant.

Construction activities are scheduled to begin in July, with commercial operation expected at the end of 2021.  When complete, the new facility will have a smaller footprint and a larger setback than the current building.  

“Caterpillar offers equipment with a successful history of quality and performance, and the generator sets will meet the energy needs of our South Dakota customers for decades,” said Jim Williams Jr., NorthWestern Energy’s director of thermal & wind generation.

Cat dealers will play a prominent role in the design and construction of the power plant. Ziegler Cat will support Fagen, Inc. of Granite Falls, Minn., which was selected as the engineering, procurement, construction (EPC) contractor.  Fagen, Inc. will collaborate on engineering services with Commonwealth Associates, Inc. of Jackson, Mich., with assistance from Michigan Cat.

The Huron Generation Station is the fourth application of Cat G20CM34 generator sets in the U.S. More than 150 GCM34 engines are installed in the U.S. and Canada, representing over 1,000 MW of installed capacity in power and gas compression projects.

The Cat G20CM34 generator set features a turbocharged and aftercooled natural gas-fired engine that offers ultrafast start times and load acceptance while allowing for multiple fast starts per day.  It delivers high efficiency with low emissions, even under partial loads.

“NorthWestern Energy is an industry leader in reshaping and diversifying its electric generation portfolio, with nearly 58% of its energy currently provided by renewable resources,” said Claudio Martino, Caterpillar’s sales manager for medium-speed reciprocating technology in the Americas. “With a fast start time, short ramp-up and ramp-down times, and low operating costs, Cat gas generator sets will help NorthWestern Energy provide reliable and efficient power to its grid.”

Caterpillar delivers innovative power systems engineered for exceptional durability, reliability and value. The company offers worldwide product support, with parts and service available globally through the Cat authorized service and dealer network. In addition, dealer technicians are trained to service every aspect of Cat equipment.

For more information, visit www.cat.com/powergeneration or e-mail Electric_Power@cat.com

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Cat® G20CM34 gas generator set

Cat® G20CM34 gas generator set

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About NorthWestern Energy (NYSE: NWE)

NorthWestern provides electricity and natural gas to approximately 734,800 customers in Montana, South Dakota, and Nebraska. We have generated and distributed electricity in South Dakota and distributed natural gas in South Dakota and Nebraska since 1923, and we have generated and distributed electricity and distributed natural gas in Montana since 2002. More information on NorthWestern is available on the company’s website at www.northwesternenergy.com

About Caterpillar

Since 1925, Caterpillar Inc. has been helping our customers build a better world – making sustainable progress possible and driving positive change on every continent. With 2019 sales and revenues of $53.8 billion, Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and diesel-electric locomotives. Services offered throughout the product life cycle, cutting-edge technology, and decades of product expertise set Caterpillar apart, providing exceptional value to help our customers succeed. The company principally operates through three primary segments – Construction Industries, Resource Industries, and Energy & Transportation – and provides financing and related services through its Financial Products segment. For more information, visit caterpillar.com. To connect on social media, visit caterpillar.com/social-media.

© 2020 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, LET’S DO THE WORK, their respective logos, "Caterpillar Corporate Yellow", the "Power Edge" and Cat “Modern Hex” trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

Press Inquiries

Bob Chase
Gelia
Tel: +1 716-629-3230
bchase@gelia.com


Sarah Pullen
Caterpillar Inc.
Tel: +1 309-675-1513
Pullen_Sarah_C@cat.com

 

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Caterpillar Inc.
Electric Power Division
P.O. Box 0610
Mossville, IL 61552-0610

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