October 27, 2008
Koda Energy Plans “Steam Blow” in Preparation for Start-Up:
Noisy But Harmless Tests to Be Conducted During November
Shakopee, Minnesota -
Over a week in mid-November 2008, Koda Energy will undergo
testing before beginning operations. During this time a sound described variously as a
roar or whooshing sound, similar to four locomotive trains going by simultaneously, will
be audible to residents living within a one-mile radius of the facility in Shakopee,
Minnesota. Expected to occur about 25 times over the week only during daylight hours,
the testing and its accompanying sound will last about 20 minutes each. The testing is
scheduled to begin November 17, 2008, and continue through November 21, 2008.
Koda Energy, a partnership of the Shakopee Mdewakanton Sioux Community and Rahr
Malting, is a combined heat and power plant, which will generate electricity and heat
utilizing agricultural byproducts and grown energy crops. The project gets its name from
the word “koda” which means "friend" in the Dakota Language.
During the testing, steam which will be visible up close will fall to the earth as a gentle
mist. No vibration will accompany the sound.
“This sound is something that nearby residents need to be aware of but not concerned
about,” explained Koda Energy General Manager Joe Johansen. “Since it will be out of
the ordinary and might cause folks to stop and wonder, we thought it was a good idea to
let people know what it is.”
“We’ll be notifying residents two to three weeks before the steam blow and then again
the week before. We’ve also spoken with city officials and the police and fire
departments,” he continued.
The steam blow is a necessary part of the construction and testing process for the $60
million facility which contains a massive turbine. During boiler construction, miles of
various sizes and shapes of stainless steel and black iron pipes are welded together. These
pipes arrived from all over the country and were assembled and welded by skilled
steamfitters or pipe fitters. During transport and storage oil, dust, insects, and other debris
may have made their way inside the pipes. The steam blow will remove any
contamination by releasing steam through the pipes and then out a diverter pipe at the last
minute before reaching the turbine blades.
“Our job ultimately is to make steam which then turns a blade connected to a shaft which
in turn generates electricity. The steam has to be sterile (free of all debris) or it will
damage the blade,” he said.
Steam is released for 30-40 seconds at a time until a metal test strip hanging in front of
the diverter pipe is unaffected. The test strip is examined after each steam blow and
replaced until it shows up clean from pit marks caused by debris.
Construction on Koda Energy began shortly after the September 13, 2007,
groundbreaking. This biomass energy generation project is environmentally friendly and
considerably cleaner than a coal plant. Electricity produced by Koda will be used to run
Koda Energy. Excess will be sold first to Rahr Malting and will provide 100% of the
energy and heat needed by Rahr in its work as one of the world’s largest producers of
malt and brewing supplies. The remaining electricity will be sold to Xcel Energy who
will sell it on the open market with the profits returned to the partnership. Koda will be
fully operational by December 31, 2008. Koda is the first biomass facility in the state that
will burn only natural, non-manmade materials. All products burned in the facility are
expected to come from within a 50-mile radius. General Mills will provide oat hulls from
cereals as a fuel source.
The facility is located on the Rahr Malting campus on Highway 101, approximately
seven miles from the Shakopee Mdewakanton Sioux Community. The Shakopee
Mdewakanton Sioux Community and Rahr Malting formed Koda Energy, a Limited
Liability Company, December 19, 2005, to build and operate the facility. Koda Energy is
one of several SMSC energy initiatives underway. For more information about SMSC
environmental initiatives, go to www.shakopeedakota.org.