Burns & McDonnell Reaches Significant Milestone in 550-MW Heat Recovery Repower Project
Industry-Leading Advanced-Class Natural Gas Combustion Turbine Poised to Lead North America in Efficiency
PURVIS, Miss., Aug. 11, 2020 /PRNewswire/ -- After 16 months of razing work, Burns & McDonnell has completed the demolition phase of a five-year project to convert R.D. Morrow, Sr. Generating Station (Plant Morrow) from coal to a natural gas-fired combined cycle plant. When fully operational in early 2023, the combined-cycle plant — equipped with advanced-class combustion turbine technology and reusing an existing steam turbine — will be able to generate 550 MW of energy, becoming the most efficient coal-to-gas heat recovery repower project in North America.
"For more than 40 years, Plant Morrow has provided safe, reliable and affordable electricity to help power thousands of homes and businesses throughout Mississippi," says Jeff Bowman, president and CEO of Cooperative Energy. "As we progress toward a new era of power generation, the shift to lower-cost natural gas brings cleaner, more efficient combined-cycle technology."
Facing a fast-approaching power deficit within the Midcontinent Independent System Operator (MISO) market, Cooperative Energy announced plans to bolster generation at Plant Morrow in 2018. Rather than build a new greenfield plant, the cooperative partnered with Burns & McDonnell to evaluate all possible options, including repowering one of the utility's two coal-fired plants.
Due to ongoing maintenance and upkeep, coupled with the significant capital cost benefits of reusing its steam generator, Cooperative Energy elected to pursue a heat recovery repower strategy to propel its natural gas combined-cycle plant.
While repowering has grown increasingly common, a heat recovery repower is unique in that it adds a natural gas combustion turbine within the existing infrastructure.
"By using a heat recovery repower approach, the reuse of existing equipment and infrastructure will result in notable cost savings for both the cooperative and its customers throughout the region," says Craig Demmel, power generation project manager at Burns & McDonnell. "The resulting combined-cycle plant will add nearly 350 MW of generation to a single unit — three times more unit generation capacity than previously available. The plant's resolute reputation for reliability and service will continue well into the future with natural gas as its new fuel source."
To date, project teams have worked more than 450,000 hours with zero safety incidents — even through the height of the coronavirus pandemic. From daily temperature checks to staggered schedules to improve social distancing, Burns & McDonnell is maintaining its commitment to making clients successful through robust, highly adaptive safety and health practices onsite.
Now that demolition is complete, crews have moved on to excavation, piling and execution of the project's foundation package. The repowered unit is expected to begin firing in summer 2022 and go commercial by March 2023.
The firm's vast experience in designing and constructing natural gas-powered facilities ranges from aeroderivatives to the largest J-class and advanced-class combustion turbines to reciprocating engines. Burns & McDonnell ranks No. 1 in Power and is ranked as the No. 1 design firm in the Louisiana Gulf Coast region by Engineering-News Record.
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About Burns & McDonnell
Burns & McDonnell is a family of companies bringing together an unmatched team of 7,600 engineers, construction professionals, architects, planners, technologists and scientists to design and build our critical infrastructure. With an integrated construction and design mindset, we offer full-service capabilities with more than 55 offices, globally. Founded in 1898, Burns & McDonnell is a 100% employee-owned company and proud to be on Fortune's 2020 list of 100 Best Companies to Work For. Learn how we are on call through it all.
About Cooperative Energy
Cooperative Energy generates and transmits electricity to 11 Member-owned electric distribution cooperatives. Known as the Power of 12, Cooperative Energy and its Member cooperatives work together to provide safe, reliable, and affordable power from the Mississippi Delta to the Coast. The 11 electric cooperatives own and maintain more than 57,000 miles of distribution lines and provide service to approximately 432,000 homes and businesses throughout 55 counties.
Contact: Mary Young, Burns & McDonnell
816-448-7379
[email protected]
SOURCE Burns & McDonnell
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