HST Ella
20-40 m
100-200 kWh
The catamaran’s unique hybrid propulsion system incorporates an electric motor alongside a diesel engine, which drive a high-performance changeable pitch propeller (CPP) system. At low speeds, this allows for silent, zero emissions operation, enabling the vessel to comply with port air quality requirements.
Corvus ESS specifications:
| Name | HST Ella |
| Owner | HST Marine |
| Integrator | Brunvoll Mar-El |
| Segment | Offshore Oil & Gas |
| Sub-segment | Offshore support vessels |
| Vessel type | Crew Transfer Vessel |
| ESS capacity | 188 kWh |
| Corvus product | Corvus Dolphin Power - First Generation |
| Lightweight battery | Yes |
| Delivery year | 2021 |
| Ship yard | Medina Shipyard |
| Ship design | Chartwell Marine |
| Newbuild/Retrofit | Newbuild |
| Vessel size | 23,7 m x 8,9 m x 3,4 m |
| Passenger capacity | 28 |
| Gross tonnage | 120 |
| Deadweight tonnage | 26,6 |
| IMO no | 9917139 |
| Area of Operation | English Channel |
| Ship system | Hybrid |
| Bus Voltage | 576-768 |
| Class | BV |
| Flag state | United Kingdom |
Estimated annual savings
0 %
CO2 emission reduction
Battery operation
Peak Shaving
Zero Emissions Operations