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OAK CREEK, WI — We Energies, a WEC Energy Group subsidiary, is progressing with the Oak Creek Combustion Turbine Project, a $1.2 billion new natural gas-powered electric facility.

WEC Energy Group, the holding company for We Energies, submitted the engineering plans for the Oak Creek Combustion Turbine Project to the Public Service Commission of Wisconsin on Feb. 5.

The Public Service Commission’s evaluation and approval are essential for the project to proceed, ensuring that it meets the necessary environmental, safety and community standards.

“We know how critical it is for our customers to have the affordable, reliable and clean energy they depend on,” said Brendan Conway, spokesperson for We Energies. “These proposed modern, efficient plants are key to the energy transition. They can power up in seconds — ensuring energy stays flowing when demand spikes or renewable power is not available.”

Project details for natural gas-powered electric facility

  • Estimated cost of the project: $1.2 billion
  • Capacity and Location: Set in Milwaukee County, the Oak Creek Generating Site will house the facility, which is expected to produce 1000–1200 megawatts of power.
  • Timeline: Construction is slated to start in August 2025, with completion targeted between Fall 2027 and Summer 2028. The plant’s operational lifespan is projected to be at least 30 years.

Economic growth and carbon-reduction fuel plans

During their earnings conference call on Feb. 1, 2024, WEC Energy Group detailed a $300 million hike in its five-year capital plan, elevating the total to $23.7 billion.

Wisconsin’s economy is experiencing a significant upsurge, driven by major developments such as Microsoft’s investment in the Wisconsin Innovation Park and Uline’s expansion in Pleasant Prairie. These developments not only demonstrate the state’s economic potential but also underline the necessity for robust energy infrastructure to support this growth, Gale Klappa, Executive Chairman of WEC Energy Group said during the earnings call.

Klappa expressed confidence in the decision.

“We are witnessing unprecedented economic growth in Wisconsin, and our increased investment is a testament to our commitment to powering this development sustainably,” he said.

Conway detailed the project, emphasizing its role in transitioning to cleaner energy and enhancing grid reliability.

“We’re moving away from fossil fuel, particularly coal plants,” he said.

He also highlighted the shift towards more environmentally-friendly energy sources. The transition involves phasing out older Oak Creek units this year, with newer units moving away from coal by the end of this decade.

Supporting renewable energy

The natural gas plant will complement renewable energy sources, ensuring grid stability during periods when solar and wind power are insufficient. Conway described the facility as “instant on,” capable of rapid activation to meet fluctuating energy demands.

The Oak Creek project, designed as a supplement to non-zero carbon generation, will undergo a thorough review by the Public Service Commission of Wisconsin. This process includes public input, addressing community concerns and environmental impacts.

The Oak Creek Natural Gas Plant is part of We Energies’ strategy for a sustainable energy future, balancing reliable energy supply with environmental stewardship. As the project evolves, community engagement and regulatory oversight will guide its integration with regional energy goals.

Next steps for Oak Creek Combustion Turbine Project

Image from We Energies Oak Creek Combustion engineering plan.

The Certificate of Public Convenience and Necessity (CPCN) application for the Oak Creek Combustion Turbine Project is planned to be submitted within 60 days following the filing of the engineering plan, which was filed on Feb. 5, 2024. The fulfillment of other permitting requirements and the progression of the project will align with the CPCN approval timeline. The construction of the project is anticipated to start in August 2025, and a detailed schedule will be developed during the planning and detailed engineering phases of the project​.

Read the application and learn more about the project here.


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Denise Lockwood has an extensive background in traditional and non-traditional media. She has written for Patch.com, the Milwaukee Business Journal, Milwaukee Magazine and the Kenosha News.