Siem Symphony
70-100 m
500-1000 kWh
Siem Symphony will be the first hybrid vessel in Siem Offshore's fleet. The vessel will be fitted with a 565 kWh chargeable Corvus Orca Energy battery pack that will help the crew operating the vessel more efficiently. Hybridification carries several advantages; fuel-saving, increased operational safety, and reduced maintenance. Siem Offshore expects Siem Symphony to save approximately 219 tons of fuel annually, with a battery installed.
Corvus ESS specifications:
| Name | Siem Symphony |
| Owner | Siem Offshore Rederi |
| Integrator | Westcon Power & Automation |
| Segment | Offshore Oil & Gas |
| Sub-segment | Offshore support vessels |
| Vessel type | PSV |
| Dynamic Positioning | DP2 |
| ESS capacity | 565 kWh |
| Corvus product | Corvus Orca ESS |
| Delivery year | 2021 |
| Ship yard | Hellesøy Verft |
| Ship design | VS 4411 DF |
| Newbuild/Retrofit | Retrofit |
| Vessel size | 89,2 m x 19 m |
| Gross tonnage | 4768 |
| Deadweight tonnage | 5500 |
| IMO no | 9690066 |
| Area of Operation | Norway |
| Ship system | Hybrid |
| Class | DNV |
| Flag state | Norway |
Estimated annual savings
0 liters
diesel/year saved
0 t/year
CO2 emission reduction
Battery operation
Load Levelling
Peak Shaving
Zero Emissions Operations