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Metso To Modernize Xcel Energy Power Plant

Posted on April 19, 2011

Metso will modernize the automation systems at Xcel Energy’s Sherburne County Generating Plant in Becker, Minnesota, U.S.A., as part of a first phase of a multi-phased renewal project that will span six years.

Metso’s first delivery in the first phase will cover new automation system hardware and software, including workstations for operators and engineers, process management tools, an OSI-PI link, links to a third-party optimization software, a link to Xcel Energy’s generation dispatch center and links to PLCs throughout the plant. Metso will also participate in rebalancing the load on the plant control networks, the company said.

The first phase work is set for completion in 2012 and 2013. The follow-on phases, including the modernization of distributed controllers and subsequent I/O replacement, will extend into 2017, Metso said.

Sherco’s three units, which are fueled by low-sulfur western coal from mines in Montana and Wyoming, U.S.A., have a combined generating capacity of 2400 MW. The automation systems being modernized are located in Units 1 and 2, and include combustion controls for two drum-based boilers, controls for flue gas desulfurization, scrubber make-up water and data acquisition.

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