The Merrimack Valley Reliability Project is a planned 345-kV, 24.5-mile transmission line continuation of the proposed 3124 Line in New Hampshire and terminating at the Scobie Pond substation. In New Hampshire, approximately 18 miles will pass through Londonderry, Hudson, Windham and Pelham, NH. Eversource will construct 10 miles through Londonderry and Hudson, and National Grid will construct 8 miles through Hudson, Windham, and Pelham.In Massachusetts, approximately 6.5 miles will pass through Dracut, Andover and Tewksbury. National Grid will construct this entire portion.
|Project Sponsor||Line Miles||Voltage (kV)||From State||To State||Year in Service|
|National Grid USA||24.5||345||MA||NH||2017|
|Estimated Costs ($M)||Voltage Type||Project Status||Project Group||Origin Point||Destination Point|
|123||Operating||3124 Line||Scobie Pond|
|Interstate||Build Start||NERC||ISO/RTO||Country||Project Partners|