Greater Springfield Reliability Project

The Greater Springfield Reliability Project is a 39-mile, 345-kV transmission line that originates at North Bloomfield, Conn., and terminates at Ludlow, Mass. The project, which is sponsored by Northeast Utilities, originally cost $718m, but was completed underbudget at $675m. Construction of the project was completed in November 2013. The project involved 35 miles of 345 kV and 4 miles of 115 kV lines. The project will ensure reliability and reduce energy costs and includes three major substations and two switching stations. This is one of four projects that make up the New England East-West Solution (NEEWS).

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
Eversource Energy 39 345 CT MA 2013
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
675 Operating NEEWS North Bloomfield Ludlow
Interstate Build Start NERC ISO/RTO Country Project Partners
2011 NPCC ISONE US