Ottumwa Generating Station providing cleaner energy for Iowans

Projects reduce environmental impact and increase efficiency

 OTTUMWA, Iowa – Our company’s Iowa utility recently completed projects at the Ottumwa Generating Station (OGS) that are reducing emissions and making Iowa’s air cleaner.

Local and state leaders, labor partners and project contractors joined our company and our OGS co-owner, MidAmerican Energy, to celebrate the completion of a $491 million comprehensive air quality control project and other efficiency upgrades at the facility.

OGS Ribbon Cutting

“We are using state-of-the-art technology to advance how we generate energy for our customers,” said John Larsen, senior vice president of generation for Alliant Energy. “This is our largest effort yet to create a positive impact on the environment and furthers our commitment to responsible use of our resources.”

CaptureConstruction began in the second quarter of 2012 and included installation of a baghouse and scrubber technology. The technology is designed to reduce emissions of sulfur dioxide and mercury by 90 percent. It will also meet pending Environmental Protection Agency emissions regulations. In addition, new equipment installed at the facility is expected to result in the OGS producing more energy while using less fuel.

The projects also created a positive economic development impact. At the peak of construction more than 800 skilled-labor workers logged more than 1,900,000 hours to complete the projects. The projects required more than 7,800 cubic yards of concrete poured and 7,900 tons of steel.

“Our company continues to research other opportunities to further reduce the impact our generating fleet has on our environment,” said Doug Kopp, president of Alliant Energy’s Iowa utility. “These investments have long-term benefits for our customers. By having a balanced supply of energy resources with environmental benefits, we have the flexibility to meet customer energy needs and future environmental regulations in a cost-effective way.”

Since 2005, our company has reduced emissions output at a number of generating stations, reducing its generating fleet’s CO2 output by approximately 15 percent. We expect to fuel-switch or retire more than 1,400 megawatts of the company’s fossil-fueled generation by 2020.

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