Eversource Energy
Updated Study Confirms Ecological Safety of Little Bay Crossing for Seacoast Reliability Project
Positive results from additional testing to be focus of upcoming technical session

July 19, 2017

Eversource has refined the proposed crossing of Little Bay for the Seacoast Reliability Project to reduce potential environmental impacts. Noteworthy changes in its updated project application include revised engineering, the inclusion of additional field data, and revised modeling of the sediment dispersion resulting from the installation of the cable under Little Bay. The updated results show a significant reduction in the extent of the sediment plume from the cable installation process.

"We remain confident that the proposed underwater crossing will be accomplished safely and effectively without harming the bay and the surrounding environment," said NH President of Electric Operations Bill Quinlan. "The revised modeling completed by our environmental consultant for the project confirms and significantly enhances confidence in our conclusion that there will be minimal adverse environmental impacts to the bay and the surrounding environment from the cable installation."

Additional sediment testing was conducted in May in response to reviewer comments that pesticides had not been included in the original testing.  On June 30, Eversource submitted the results of those tests, which indicate the original conclusions remain valid and there is no evidence of potential contamination from pesticides or any other pollutant during the cable installation. An additional NH Site Evaluation Committee technical session on July 11 will provide the opportunity for parties to the permit proceeding to ask questions regarding the updated sediment and modeling reports.

The Seacoast Reliability Project (SRP) is a new 13 mile transmission line connecting substations in Madbury and Portsmouth. The SRP is part of the Seacoast Solution, a suite of projects that is needed to support the reliable delivery of electric power, in order to meet the region's current demand and to support future economic growth.

Eversource has worked extensively with municipalities, property owners, and environmental groups to mitigate impacts to sensitive agricultural and historical areas, as well as to ensure the preservation of Little Bay, and the company remains committed to addressing any additional comments as part of the state's rigorous permitting process.

For more information about the Seacoast Reliability Project, visit eversource.com.

Eversource (NYSE: ES) is New Hampshire's largest electric utility, serving more than 500,000 homes and businesses in 211 cities and towns and is proud to be recognized as the top contributor to United Way in New Hampshire.  Recognized as the top U.S. utility for its energy efficiency programs by the sustainability advocacy organization Ceres, Eversource harnesses the commitment of its approximately 8,000 employees across three states to build a single, united company around the mission of safely delivering reliable energy and superior customer service. For more information, please visit our website (www.eversource.com) and follow us on Twitter (@eversourceNH) and Facebook (facebook.com/EversourceNH).

Martin Murray

Kaitlyn Woods

For more information:

Eversource Energy

107 Selden St
Berlin, Connecticut
United States, 06037

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