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New power plant will exceed pollution emission say developers




A new coal-burning plant that will more than double the electricity coming out of the Big Stone Power Plant in extreme northeast South Dakota also will decrease pollution, project officials said Thursday.

Construction of the Big Stone II plant near Milbank will include a wet scrubber pollution control system that will be big enough to clean emissions for both plants. The system will allow Big Stone to meet or exceed federal and state emissions requirements, said project manager Mark Rolfes.

"We will more than double the electric output of the unit and not increase pollution, and in some cases considerably decrease the amount of emissions from the site," said Rolfes, with lead project developer Otter Tail Power Company.

Sulfur dioxide emissions will be reduced by 10 to 15 percent, nitrogen oxide emissions would be about the same or slightly less and mercury emissions will also be lessened, Rolfes said.

The $1 billion project, a joint effort by seven investor-owned utilities, rural electric cooperatives and municipal electric systems, was announced in June.

Partnering with Otter Tail are Missouri River Energy Services, Heartland Consumers Power District, Central Minnesota Municipal Power Agency, Great River Energy, Southern Minnesota Municipal Power Agency and Montana-Dakota Utilities Co.

The project is the largest private and public construction initiative ever launched in South Dakota and will serve more than 2 million electric consumers in the region.

The plant's construction will create more than 1,400 jobs and is scheduled to start in the spring of 2007. Once operational four years later, the plant will add 35 to 40 permanent jobs.

Gov. Mike Rounds applauded Thursday's announcement, saying the project's sponsors are spending millions of dollars more than required to control emissions.

"That means cleaner air for many decades," Rounds said in a release. "They are doing what's right for future generations."

Dusty Johnson, a South Dakota Public Utilities Commission member, said it shows the utilities are interested in being long-term corporate citizens and good neighbors.

"This makes me feel a lot better about the project because now I know a little bit more about the people who are involved," he said.

Rolfes also announced that high-voltage power lines that will be built to carry power from Big Stone II will be able to handle more electricity than the plant will produce.

One line planned from Big Stone east to Canby and Granite Falls in Minnesota will add 800 to 1,000 megawatts of capacity.

"The most likely users of this generation would be wind and renewable projects," Rolfes said.

That's great news for wind power in South Dakota and the region, Johnson said, adding that companies typically build only as much transmission as they need because it's so expensive.

"But in this instance I think they're recognizing the incredible potential we have in South Dakota for wind power," he said.

Johnson said each megawatt of power can serve 500 to 800 homes in the state.

"So you're talking about thousands of people being able to get wind power or being able to sell wind power to places like Minneapolis because of this line," he said.

Tom Heller, CEO of the Sioux Falls-based Missouri River Energy Services, said studies have determined that the four-year construction of Big Stone II will pump more than $788 million into South Dakota's economy. Once it's up and running, the regional impact will be $3.6 million a year, Heller said.

By Dirk Lammers,

Source: Associated Press