Basin Electric Plans for Emission Controls at North Dakota Plant

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Researched by Industrial Info Resources (Sugar Land, Texas)--Basin Electric Power Cooperative (Bismarck, North Dakota) plans to install a FERCo Power (Laguna Hills, California) Selective Non Catalytic Reduction (SNCR) system on its two-unit, 656-megawatt (MW) Leland Olds Power Station, located in Stanton, North Dakota. The lignite coal-fired plant includes two opposed/cyclone-fired, dry and wet bottom Babcock & Wilcox (NYSE:BWC) (Charlotte, North Carolina) boilers with one Alstom (Levallois-Perret, France) CE generator and one General Electric (NYSE:GE) (Fairfield, Connecticut) steam turbine generator. Both units are already equipped with low nitrogen oxide (NOx) burners, wet flue gas desulfurization (FGD) scrubbers and electrostatic precipitators. The first unit became operational in 1966.

The plan is to install the SNCR system on the two units and tie-ins by the end of 2015. In an SNCR system, a reagent (ammonia or urea) is injected into the flue gas in the furnace, reducing NOx emissions by as much as 50%. A typical SNCR system consists of reagent storage, instrumentation and control equipment and injection equipment. SNCR costs less than selective catalytic reduction (SCR) and takes approximately 6 to 8 months to install and become operational.

The project has a total investment value of $29 million.

Sega Incorporated (Overland Park, Kansas) is acting as the owner's engineer. Basin Electric will release bids for contractor by spring 2015. Bid awards are expected by late spring, and construction is expected to start by summer 2015.

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