At Liberty, keeping our communities safe and ensuring reliable natural gas service are central to our mission. To support growing needs and enhance the strength of our system, we’re excited to share that construction is underway on a new gate station in Londonderry, NH.
August 2025
What’s happening on site?
Liberty will be tapping off the existing 16" pipeline that currently supplies the Calpine Power Plant to build a brand-new meter and regulating station on Harvey Road in Londonderry. This new facility will reduce pressure and serve as a key connection point for future pipeline expansion projects.
Strategic purpose
While the Harvey Rd station will initially feed the local system, it’s also a major step toward reinforcing the broader Nashua area. It sets the foundation for increased supply from the Tennessee Gas Pipeline—an additional 40,000 Dth—helping us to continue to provide our customers with reliable gas service, particularly in the cold New England winters.
Timeline
Construction is already underway, and we’re targeting completion by the end of 2025. Once online, this station will support phased tie-ins to the rest of the distribution system through upcoming main extensions.
Additional phases of the project
After the Harvey Rd gate station is completed, Liberty will be installing approximately 1.8 miles of 12-inch pipeline along Harvey Rd, Pettengill Rd, and Raymond Wieczorek Dr, ending at Brown Ave in Manchester. Work is set to begin in Spring 2026 and wrap up by Fall.
The final phase, starting in Spring 2027, will extend the main another 8 miles south to Litchfield, including a directional drill under the Merrimack River to ultimately tie into the existing distribution system in Nashua.
The Harvey Rd build is a big milestone and positions us well for the larger infrastructure buildouts coming over the next couple of years. Once complete, this project will enhance system reliability and ensure safe and consistent natural gas service for our customers.
November 2025
Liberty’s new gate station in Londonderry is steadily progressing and remains on track for completion by the end of the year. All three project buildings (the gate station, boiler building, and data acquisition building) are now fully constructed, and most major equipment and piping have been installed.
Most of the challenging tasks have been completed, including the transmission line tap, which will ultimately enable gas to flow through the take station. Remaining work includes installation and testing of electrical and communication systems, piping for heating and pressure regulation, as well as final grading and site restoration.
Once this phase is finished, phase two will begin, which includes construction of a 2-mile, 12" pipeline originating at the Harvey Rd Gate Station and tying into the existing Manchester distribution system. This will allow the Harvey Road station to be fully commissioned and flowing gas. Followed by Phase Three, where the 12" pipeline will continue another 8-miles through Litchfield and, ultimately, into Merrimack. The pipeline will provide much needing capacity to the greater Nashua distribution system to allow for additional growth and system resiliency for years to come.
This is an exciting milestone not only for the project team, but also for customers in the Manchester and Nashua areas, who will benefit from increased supply and long-term system reliability.
Stay tuned for our next update from Harvey Road!
