Work at the National Grid Holtsville Facility will include:

• Survey of existing facility infrastructure.
• Upgrades to the compressor system.
• Power Distribution Center (PDC) upgrade.
• Upgrade of existing foundation heating system.
• Replacement of tank stairs.

We are making investments to reinforce operations within our Holtsville facility to ensure our customers receive safe and reliable energy service. This project will build a more reliable energy system by reinforcing operating procedures within the energy center.

Monday through Saturday, 8AM to 5PM

No. There will be no interruptions to service for our customers.

Please call our outreach phone line at (631) 612-9440 or email box.holtsville@nationalgrid.com to speak with a member of our outreach team. You can also check back on our project website for construction updates with information regarding work locations and timelines.