Route
Port of San Diego
Charging: Dedicated shore charger with battery buffer.
Battery: 6.2 MWh. Builder: Master Boat Builders.
Vessel record
Vessel record
| Operator | Crowley |
| Builder | Master Boat Builders |
| Class | tug |
| Country | United States |
| Powertrain | battery-electric |
| Battery (MWh) | 6.2 |
| Capacity | 70 t bollard pull |
| Charging | Dedicated shore charger with battery buffer |
| Autonomy | crewed |
| Route or region | Port of San Diego |
| Status | in service |
| In service | 2024 |
| Record updated | 2026-10 |
Official site: crowley.com
In context
Where it fits
Listed in Electric Tugboats. Vessels are compared on battery capacity, charging, route length and service status - the factors that decide whether a vessel class can run on batteries alone or still needs hydrogen, hybrid or green-fuel power.
| Vessel | Status |
|---|---|
| HaiSea Wamis and HaiSea Wawaditla (HaiSea Marine, Haisla Nation and Seaspan) | in service |
| Ning Gang Dian Tuo 1 (Nanjing Port Group) | in service |
| Qing Dian Tuo 1 (Qingdao Port, Shandong Port Group) | in service |
| Qing Gang Tuo 1 (Qingdao Port) | in service |
| Shen Gang Dian Tuo 1 (Shenzhen port operators) | in service |
| Sparky (Damen RSD-E Tug 2513) (Port of Auckland) | in service |
| Yun Gang Dian Tuo 1 (Lianyungang Port) | in service |
| Yun Gang Dian Tuo 2 (Lianyungang Port) | in service |
Sources
Sources and scope
- Scope
- eWolf (Crowley)
- Sources
- ElectronsX marine dataset; operator, shipyard and classification society records
- Updated
- 2026-10