Montana agency releases analysis of proposed Alberta-Montana power line

By Associated Press


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A draft environmental analysis of the proposal to string a major electric transmission line between Great Falls and Lethbridge, Alta., recommends changes to lessen the effect on landowners.

In the study, the Montana Department of Environmental Quality agreed with most of Montana Alberta Tie Ltd.'s 210-kilometre route for the power line.

But the agency suggested changing the route in places, so it follows the edges of farm fields, rather than cutting through them.

"Where possible, we have tried to tweak their general line," said Warren McCullough, chief of the DEQ's environmental management bureau, which administers the Major Facilities Siting Act.

Bob Williams of Montana Alberta Tie said the company hadn't seen the analysis and therefore had no comment.

The power line would start northeast of Lethbridge, extend to a NorthWestern Energy substation at Great Falls and tie in with existing transmission lines. Some of the proposed line's capacity already has been sold to companies intending to develop wind power.

Cascade County Commissioner Peggy Beltrone, who headed an earlier citizens advisory committee, said she is pleased with the compromise and hopes "affected communities and landowners will view the report's recommendation favorably so the power line can be built."

"I'm extremely enamoured with the $1 billion (US) in economic development the power line and accompanying wind farms will mean for north-central Montana," she said.

"Montana is well-positioned to supply renewable energy to a thirsty market."

The preferred alternative, one of four studied, would cost an estimated $125 million to $150 million. It also is the preferred route of Montana Alberta Tie Ltd., the DEQ said.

In the draft study, the DEQ recommends 40 kilometres of localized line be rerouted using single poles, instead of larger H-frames.

Farmers have expressed concern the proposed transmission line would interfere with operations if it crossed fields at an angle, McCullough said.

Also, farmers using large equipment have a hard time manoeuvring around bigger poles and it sometimes causes them to either miss or double-seed and double-fertilize cropland, said Cut Bank-area farmer Don Bradley, who served on an earlier advisory committee, which summarized landowner concerns.

"I think the compromises sound fair and will help lessen the impact of the power lines on agriculture," Bradley said.

Shelby Mayor Larry Bonderud, director of the Port of Northern Montana, is also pleased with the recommendations and said he believes the wind farms will benefit landowners.

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✅ Fourth day without power amid dangerous heat

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Twin States is a proposal from National Grid, a utility company that serves Massachusetts, New York, and Rhode Island, and also owns transmission in England and Wales as the region advances projects like the Scotland-to-England subsea link that expand renewable flows, and the non-profit Citizens Energy Corporation.

The transmission line would connect New England with power from Hydro-Quebec, moving into the United States from Canada in Northern Vermont and crossing into New Hampshire near Dalton. It would run through parts of Grafton, Merrimack, and Hillsborough counties, routing through a substation in Dunbarton and ending at a proposed new substation in Londonderry. (Here's a map of the Twin States proposal.)

The federal funding will allow the U.S. Department of Energy to purchase capacity on the planned transmission line, which officials say reduces the risk for other investors and can help encourage others to purchase capacity.

The project has gotten support from local officials in Vermont and New Hampshire, but there are still hurdles to cross. The contract negotiation process is beginning, National Grid said, and the proposal still needs approvals from regulators before construction could begin.

First Nations communities in Canada have opposed transmission lines connecting Hydro-Quebec with New England in the past, and the company has faced scrutiny from environmental groups.

What would Twin States look like?
Transmission projects, like the failed Northern Pass proposal, have been controversial in New England, though the Great Northern Transmission Line progressed in Minnesota.

But Reihaneh Irani-Famili, vice president of capital delivery, project management and construction at National Grid, said this one is different because the developers listened to community concerns before planning the project.

“They did not want new corridors of infrastructure, so we made sure that we're using existing right of way,” she said. “They did not want the visual impact and some of the newer corridors of infrastructure, we're making sure we're undergrounding portions of the line.”

In Vermont and northern New Hampshire, the transmission lines would be buried underground along state roads. South of Littleton, they would be located within existing transmission corridors.

The developers say the lines could provide 1,200 megawatts of transmission capacity. The project would have the ability to carry electricity from hydro facilities in Quebec to New England, and would also be able to bring electricity from New England into Quebec, a step toward broader macrogrid connectivity across regions.

“Those hydro dams become giant green batteries for the region, and they hold that water until we need the electrons,” Irani-Famili said. “So if you think about our energy system not as one that sees borders, but one that sees resources, this is connecting the Quebec resources to the New England resources and helping all of us get into that cleaner energy future with a lot less build than we otherwise would have.”

Irani-Famili says the transmission line could help facilitate more clean energy resources like offshore wind coming online. In a report released last week by New Hampshire’s Department of Energy, authors said importing Canadian hydropower could be one of the most cost-effective ways to move away from fossil fuels on the electric grid.

National Grid estimates the project will help save energy customers $8.3 billion in its first 12 years. The developers are constructing a $260 million “community benefits plan” that would take some profits from the transmission line and give that money back to communities that host the transmission lines and environmental justice communities in New England.

 

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