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.