Test hole work is expected to begin in November 2026, and will take approximately one week to complete. The full regulator station upgrade project will begin in Spring 2026 with completion anticipated in Summer 2026. Regular schedule updates will be posted in our News and Updates tab. Check back weekly for news and updates.

On E. Main Street in Yaphank, primarily in front of the historic Mary L. Booth House.

The work involves excavations, upgrades of existing infrastructure, backfilling, and final restoration activities.

National Grid is making investments to reinforce the local energy distribution system in your neighborhood to ensure customers receive safe and reliable energy service, especially during heating season.

Yes. National Grid’s top priority is the safety of its customers, the public, and its employees and contractors. The professional construction firms we work with also place safety as their top priority.

No. This work will be managed so that service interruption will not be an issue.

Yes. This work will affect traffic patterns on E. Main Street. Cones and flaggers will be on site to assist motorists. There will be parking restrictions on E. Main Street as well during construction.

No. All work will take place within the public right-of-way.

While we make efforts to keep disturbance to a minimum, there will be noise associated with this project. Most of that noise will occur while excavation is underway as we use heavy equipment to trench.

Please call our line (631-213-2009) or email Box.liprojects@nationalgrid.com to speak with a member of our outreach team. We also have a dedicated project webpage—ngrid.com/yaphank—featuring construction updates with information regarding work locations and timelines.