WPL reports progress with Edgewater 5 scrubber construction

Wisconsin Power and Light told the Public Service Commission of Wisconsin in an Oct. 30 quarterly update that progress is being made on the Edgewater Unit 5 SO2 scrubber that the commission approved in June 2013.

The scrubber is a Dry Flue Gas Desulfurization (DFGD) device, with an estimated cost of $413,710,000, excluding AFUDC. As of this Oct.. 30 update, the project is currently forecasted to be completed for approximately $268,000,000, excluding AFUDC.

Construction activities commenced on March 3, 2014. WPL selected and issued a full notice to proceed to the Engineer-Procurement-Construction (EPC) bidder. This contractor’s scope includes providing the DFGD technology which will be a circulating fluidized bed (CFB) scrubber. WPL has signed a contract with the selected bidder. As of the end of September of this year, the project was on schedule and 76% complete. At the end of September, engineering for the project was 99% complete.

Major procurement finalized in the third quarter of this year included:

  • Receiving byproduct handling system components;
  • Receiving byproduct silo components;
  • Receiving low voltage switchgear;
  • Receiving ID booster fan vibration monitoring system;
  • Completed receiving all project ductwork;
  • Receiving poppet dampers for baghouse; and
  • Receiving ID booster fan motor, housing and component parts.

The project schedule from here includes completion of a tie-in outage in May 2016, commissioning in November 2016, and final project closeout in August 2017.

The Edgewater plant consists of three coal-fired units; 3, 4 and 5. These units have nameplate generation capacities of 60 MW, 330 MW, and 380 MW, respectively.

About Barry Cassell 20414 Articles
Barry Cassell is Chief Analyst for GenerationHub covering coal and emission controls issues, projects and policy. He has covered the coal and power generation industry for more than 24 years, beginning in November 2011 at GenerationHub and prior to that as editor of SNL Energy’s Coal Report. He was formerly with Coal Outlook for 15 years as the publication’s editor and contributing writer, and prior to that he was editor of Coal & Synfuels Technology and associate editor of The Energy Report. He has a bachelor’s degree from Central Michigan University.