Backup Generator Installation Posted on February 12, 2016December 21, 2023 by Weston & Sampson (A) Plymouth Water Facility Generators In 2014, Weston & Sampson installed 40kW and 50kW backup generators at two sites for the Plymouth Water Department. One of the sites required a new propane tank. BACK Looking for assistance with your Construction project? How can we help? Posted in Construction, Emergency Power & Controls and tagged MA, Plymouth.