National Grid, Bangor Hydro seek approval on renewable transmission line

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Waltham, Mass., July 11, 2011 — National Grid and Emera Inc. subsidiary, Bangor Hydro Electric Co., have taken a step in advancing the Northeast Energy Link transmission project by filing with the Federal Energy Regulatory Commission for approval of its funding approach for the proposed project.

Today’s filing seeks confirmation that the companies’ sale of transmission capacity is consistent with FERC‘s Open Access policies. Under the proposed participant funding approach, renewable energy generators would pay to use NEL’s transmission capacity.

The NEL, as currently proposed, is a new underground transmission line that would stretch about 220 miles from northern Maine to northeastern Massachusetts by 2016.

The new line will provide a critical connection to the vast renewable and carbon-neutral energy resources of northern and eastern Maine and eastern Canada.

NEL, which is in the preliminary stages of development, is expected to have a capacity of 1,100 MW. It is being proposed as an underground, high voltage direct-current line. The companies will evaluate a number of potential routes, including one that would use existing corridors in eastern Maine, New Hampshire and Massachusetts.

By using such existing rights-of-way to the greatest extent possible, National Grid and Bangor Hydro are seeking to mitigate potential effects on the environment and the communities where the line would be located. It is important to emphasize that the project route has not yet been chosen.

Under the proposed project, renewable generators would pay to use NEL’s transmission capacity. First Wind Holdings, LLC, based in Boston, Mass., plans to build wind farms in northern and eastern Maine and would purchase the majority of the proposed transmission line’s capacity. Remaining capacity, if any, would be sold to other generators.

While the project is in the preliminary stages, significant research has been undertaken related to energy consumer benefits, siting, and the impact the new line would have on the New England power system.

Delivered renewable supply over NEL was found to be cost-competitive with other means of meeting state Renewable Portfolio Standards. Further research, site planning and permitting preparation are planned for this year, along with the negotiation of a Transmission Service Agreement with First Wind.

Siting and permitting work for NEL are expected to continue over the next two to three years, followed by an estimated three-year construction period. As part of this work, National Grid and Bangor Hydro plan to reach out to communities where the proposed new line might be located to begin discussions about possible routes and other considerations. The companies anticipate the project will be completed at the end of 2016.

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at

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