Commercial Case Study: Bourne, MA
Mass Maritime Academy
System Type: Solar Thermal Domestic Hot Water & Pool Heating
Building Use: Athletic Facility
Design Build Contractor: Renewable Energy Systems, LLC
Project Integrator: Weston Sampson
The system was installed in September 2015. It is located on the University’s athletic facility and funded through the Massachusetts Clean Energy Council (Mass CEC) and with a separate grant from the Mass DEP. The system delivers heat to the domestic hot water and pool using 24 Apricus Evacuated Tube Collectors. In the first two months the system has saved over 600 Therms and has a projected doxycycline 2,500 Therm savings per year. The systems design allows either the pool or the DHW to be heated depending on weather conditions greatly increasing efficiency.
This is the first Solar Thermal Revenue Grade Metering System in the State which provides extremely accurate calculations on BTU delivery to the pool and DHW. This data is displayed on a web based platform provided by Solarwave Inc. and shown in ‘real time’ in the kiosk located in the Athletic Facility. The total BTUs can then be used to determine equivalent fossil fuel savings. In addition, the system is designed to be drain-back. This allows the collectors to stay dry during times of stagnation protecting the glycol and reducing the maintenance cost.