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Mercury Emissions Reduction System Begins Operation at Erickson Power Plant

Thursday, December 4, 2014   (0 Comments)
Posted by: Michelle Rahl
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For Immediate Release

Thursday, Dec. 4, 2014

Contact: Stephen Serkaian, sxs@lbwl.com

517-702-6735, 517-881-4085

 

Mercury Emissions Reduction System Begins Operation at Erickson Power Plant

BWL’s mercury emissions have declined by approximately 50% since 2007

The Lansing Board of Water & Light (BWL) has begun operating equipment that will dramatically reduce mercury emissions at the Erickson Power Plant. 

The Activated Carbon Injection (ACI) system is being operated at a rate designed to reduce mercury emissions by approximately 90 percent.  The first few months of operating the ACI system at Erickson will involve testing various carbon compounds and injection rates to help optimize the system’s performance.  

Operation of the ACI system at Erickson represents an annual cost of approximately $1.5 million for activated carbon, as well as lost sales of fly ash due to carbon content and corresponding landfill expenses of approximately $600,000 per year. 

“The BWL has been and continues to be in full compliance with all state and federal air emission regulations and expects to be in full compliance with future environmental regulations,” said BWL General Manager J. Peter Lark. “Over past several years, the BWL has taken a number of steps to reduce its emissions, including mercury emissions, one of which was construction of the REO Town Cogeneration Plant.  The REO Town natural gas-powered plant reduces mercury emissions by 99% compared to the units it replaces, and has reduced our carbon footprint by 20% system wide. We have made these reductions by eliminating the need to burn 350,000 tons of coal a year by retiring the units replaced by REO Town.”

The BWL was the first utility in Michigan to adopt a renewable portfolio standard and a comprehensive energy efficiency standard, both of which replace coal generation with renewable energy and energy efficiency investments.  As a result of these programs and operating changes to the BWL system, the BWL’s mercury emissions have declined by approximately 50% from fiscal year 2007.

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