Viking Neptun

130-160 m

1500-2000 kWh

With a length of 145 m, this highly advanced Offshore Construction Vessel is built for heavy subsea construction and cable laying operations. The ESS is used for continuous peak shaving and as spinning reserve during sudden surges in power demand. In 2022, DEME acquired the ‘Viking Neptun’ DP3 offshore vessel from Norwegian shipping company Eidesvik.

Corvus ESS specifications:

Name Viking Neptun
Owner DEME
Integrator Wärtsilä
Segment Offshore Oil & Gas
Sub-segment Offshore support vessels
Vessel type OCV
Dynamic Positioning DP3
ESS capacity 1740 kWh
Corvus product Corvus Orca ESS
Delivery year 2020
Ship design SALT 301 OCV
Newbuild/Retrofit Retrofit
Vessel size 146.6 x 31 x 9 m
Gross tonnage 19760
IMO no 9664902
Area of Operation Norwegian Continental Shelf
Ship system Hybrid
Bus Voltage 800-1100 VDC
Class DNVGL
Flag state Norway (NIS)

Estimated annual savings

0 liters

diesel/year saved

0 tons

CO2 emission reduction

Battery operation

Peak Shaving

Spinning Reserve