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