AES to invest $50 million in emissions control tech at coal plant

Arlington, VA, Dec. 13, 2006 — The AES Corp. announced that AES Westover, a 126 MW coal-fired facility near Binghamton, NY, will begin installation of multi-emissions control technology on its 84 MW Unit #8 in early 2007. AES will invest $50 million in the project, which is expected to be completed by the end of 2008.

The project will increase AES Westover’s removal rates for NOx emissions from 60% to 90% once the project is complete, through the use of a selective catalytic reduction (SCR) system with ammonia injection. Sulfur dioxide emissions will be reduced by 95% through the use of a dry scrubber, followed by a fabric filter bag-house — a final stage in the emission control process — says the company. In addition, the combination of these technologies is also expected to reduce mercury emissions by 90%, the company added.

AES has committed more than $150 million to emissions control projects in upstate New York since 1999. In a similar approach to the AES Westover project, AES Greenidge, located in Dresden, NY, announced in July this year that it is testing a multi-pollution control technology as part of a demonstration project with the US Department of Energy. Since 1999, AES has reduced SO2 and NOx emissions by 70% at its AES Somerset and AES Cayuga facilities in New York State, and has reduced mercury emissions at both plants by more than 90%. The facilities are equipped with enhanced multi-pollutant emission control equipment including flue gas desulfurization (FGD) and SCR technology.

Babcock Power Environmental will engineer and supply the equipment and Nicholsen & Hall will construct the AES Westover project.

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