< 20 m
< 200 kWh
The Maritime Aquarium at Norwalk's RV Spirit of the Sound II™ is a 64-foot all-aluminum catamaran and is the sequel of the first research vessel in North America with hybrid-electric propulsion. She cruises all year round, offering a cleaner and greener venue to explore Long Island Sound!
| Name | Spirit of the Sound II |
| Owner | City University of New York |
| Integrator | BAE |
| Segment | Tugs and Workboats |
| Sub-segment | Electric and Hybrid Workboats |
| Vessel type | Research and Passenger Vessel |
| ESS capacity | 91 kWh |
| Delivery year | 2016 |
| Ship yard | Derecktor |
| Newbuild/Retrofit | Newbuild |
| Vessel size | 19,5 x 6,5 x 1,3 m |
| Area of Operation | US East Coast, New York area |
| Ship system | Hybrid |
| Bus Voltage | 540-700 VDC |
| Class | USCG |
| Flag state | USA |
Estimated annual savings
diesel/year saved
Battery operation
Load Levelling
Peak Shaving
Spinning Reserve