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Eversource 115-kV Project Update

Hello Eversource,

The following is an update related to the Eversource 115-kilovolt (kV) Underground Transmission Project in Sudbury and Hudson.

Work Hours

Approved work hours are 7 a.m. to 6 p.m., Monday to Friday but crews are working from 7 a.m. to 4 p.m. in most areas. Occasional activities may extend beyond the approved hours, due to unforeseen circumstances, based on approval from local officials. Crews work between manholes (MHs) placed along the project route. For a closer look, view the project map.


  • Road work in the Hudson streets, on Forest Avenue, will resume in April, between MH2 and MH1 at Hudson Light and Power based on final approval from municipal officials.  
  • At Bridge 130, between Chestnut St and Main St, crews are installing conduit to tie into sections already installed in the corridor.  


  • At Bridge 128, between the Town Line and Dutton Road, crews are installing conduit to tie into sections already installed in the corridor. Similar activities are happening at Bridge 127 between Boston Post Road and the Sudbury Substation.
  • Between Union Ave and Boston Post Road, crews are conducting additional grading and installing gravel.  
  • Between Boston Post Road and Bridge 127, crews have begun completing grading and will start installing gravel. 
  • Crews are accessing manhole locations underground in Sudbury throughout the MBTA corridor to proof the recently installed transmission conduit. This process takes several hours and is in advance of the cable installation. 

*Due to the complexities of underground construction and weather, the two-week schedule described above is subject to change.

Stay Informed

Eversource is committed to being a good neighbor and doing any work with respect for you and your property. If you have questions, please contact us directly or click on one of the resources below.

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