Corvus Orca ESS
The Corvus Orca ESS is the most installed marine battery energy storage system worldwide, operating in over 700 vessels and maritime applications around the world.
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Corvus Orca ESS
The Corvus Orca ESS is the most installed marine battery energy storage system worldwide, operating in over 700 vessels and maritime applications around the world.
Key Features
Key Features
The Most Trusted Maritime Battery System in the World
The Corvus Orca ESS is the most installed marine battery energy storage system worldwide, operating in over 700 vessels and maritime applications around the world. Suitable for a variety of marine applications and vessel types, the Orca offers both energy and high power. Based on proven performance, the Corvus Orca set the industry standard in marine battery system safety and reliability. No other maritime energy storage system can compete with the installation count of the Orca. Suitable for a variety of marine applications and vessel types, the Orca offers both energy and high power. Based on proven performance, the Corvus Orca set the industry standard in marine battery system safety and reliability. No other maritime energy storage system can compete with the installation count of the Orca.
The Most Trusted Maritime Battery System in the World
The Corvus Orca ESS is the most installed marine battery energy storage system worldwide, operating in over 700 vessels and maritime applications around the world. Suitable for a variety of marine applications and vessel types, the Orca offers both energy and high power. Based on proven performance, the Corvus Orca set the industry standard in marine battery system safety and reliability. No other maritime energy storage system can compete with the installation count of the Orca. Suitable for a variety of marine applications and vessel types, the Orca offers both energy and high power. Based on proven performance, the Corvus Orca set the industry standard in marine battery system safety and reliability. No other maritime energy storage system can compete with the installation count of the Orca.
Unmatched Safety
Industry-leading safety features including passive single-cell Thermal Runaway protection and hardware-based fail-safe circuits.
Proven Reliability
With installations in 700+ vessels worldwide, Orca systems have demonstrated exceptional reliability in real-world maritime environments.
Cost-Effective Performance
High energy density and low lifetime costs make Orca the economical choice for hybrid and all-electric applications.
Unmatched Safety
Industry-leading safety features including passive single-cell Thermal Runaway protection and hardware-based fail-safe circuits.
Proven Reliability
With installations in 700+ vessels worldwide, Orca systems have demonstrated exceptional reliability in real-world maritime environments.
Cost-Effective Performance
High energy density and low lifetime costs make Orca the economical choice for hybrid and all-electric applications.
Main Specification
Main Specification
Technical Excellence in Every Detail
Chemistry
Lithium ion NMC / graphite
Chemistry
Lithium ion NMC / graphite
Energy
5.6 kWh
Energy
5.6 kWh
Capacity
128 Ah
Capacity
128 Ah
C-Rate RMS/ Peak
Up to 3C / Project Specific
C-Rate RMS/ Peak
Up to 3C / Project Specific
Dimensions
590(l) x 420(w) x 163(h) mm
Dimensions
590(l) x 420(w) x 163(h) mm
Weight
60 kg
Weight
60 kg
Maximum Voltage
50 VDC
Maximum Voltage
50 VDC
Ingress Protection
IP44
Ingress Protection
IP44
Cooling
Forced air
Cooling
Forced air
Applications
Applications
Versatile Power for Every Maritime Need
The Corvus Orca ESS is ideal for applications that need both energy and a high amount of power, moving large amounts of energy at an inexpensive lifetime cost per kWh. The Corvus Orca is suitable for both hybrid electric and all-electric marine applications. Typical vessel types suitable for the Corvus Orca ESS include:
Versatile Power for Every Maritime Need
The Corvus Orca ESS is ideal for applications that need both energy and a high amount of power, moving large amounts of energy at an inexpensive lifetime cost per kWh. The Corvus Orca is suitable for both hybrid electric and all-electric marine applications. Typical vessel types suitable for the Corvus Orca ESS include:
Ferries
Ferries
Tugs
Tugs
Merchant Vessels
Merchant Vessels
Fishing Vessels
Fishing Vessels
Cruise Ships
Cruise Ships
Ro-Ro / Ro-Pax
Ro-Ro / Ro-Pax
Yachts
Yachts
Rigs
Rigs
Offshore Vessels
Offshore Vessels
Port Cranes
Port Cranes
Shore Charging
Shore Charging
Fish Farms
Fish Farms
Functions
Functions
01
Modular
Flexible, scalable systems tailored to any vessel setup or power demand.
01
Modular
Flexible, scalable systems tailored to any vessel setup or power demand.
02
Powerful Performance
High-voltage, high C-rate systems built for both rapid and steady operations.
02
Powerful Performance
High-voltage, high C-rate systems built for both rapid and steady operations.
03
Safety Built-In
Industry-leading thermal protection and inherently gas-safe architecture.
03
Safety Built-In
Industry-leading thermal protection and inherently gas-safe architecture.
04
Smart Control
Advanced Battery Management Systems and real-time remote monitoring ensure optimal operation.
04
Smart Control
Advanced Battery Management Systems and real-time remote monitoring ensure optimal operation.
05
Efficient by Nature
Low weight, reduced volume, and fast, cost-effective installation and maintenance.
05
Efficient by Nature
Low weight, reduced volume, and fast, cost-effective installation and maintenance.
06
Maritime Ready
Enhanced EMI immunity, marine-specific engineering, and certified cybersecurity.
06
Maritime Ready
Enhanced EMI immunity, marine-specific engineering, and certified cybersecurity.
Leading marine energy storage safety and reliability
Corvus Energy invests in innovation, quality, and continuous improvement. When the Corvus Orca ESS launched in 2016, it set new industry standards for marine energy storage. Corvus combined its industry-leading capabilities in marine battery system development with hands-on experience as the provider of the largest global base of maritime energy storage systems in operation to build the industry’s safest, most reliable marine ESS.
High C-Rates – up to 3C
Installed on 700 vessels around the world
Designed for voltages up to 1200 VDC
Low installation and commissioning time
Low life cycle cost
Enhanced reliability with contained power connections
Flexible and modularised design
Passive single-cell Thermal Runaway protection
Scalable capacity and voltage according to vessel requirements
Industry-proven Battery Management System (BMS)
Remote monitoring capabilities
Enhanced EMI immunity design for maritime environments
Received DNV Type Approval for Cyber Security
Leading marine energy storage safety and reliability
Corvus Energy invests in innovation, quality, and continuous improvement. When the Corvus Orca ESS launched in 2016, it set new industry standards for marine energy storage. Corvus combined its industry-leading capabilities in marine battery system development with hands-on experience as the provider of the largest global base of maritime energy storage systems in operation to build the industry’s safest, most reliable marine ESS.
High C-Rates – up to 3C
Installed on 700 vessels around the world
Designed for voltages up to 1200 VDC
Low installation and commissioning time
Low life cycle cost
Enhanced reliability with contained power connections
Flexible and modularised design
Passive single-cell Thermal Runaway protection
Scalable capacity and voltage according to vessel requirements
Industry-proven Battery Management System (BMS)
Remote monitoring capabilities
Enhanced EMI immunity design for maritime environments
Received DNV Type Approval for Cyber Security
Specifications & datasheet
Specifications & datasheet
Technical Specifications
Performance Specifications
C-Rate - (Discharge / Charge)
up to 3C / up to 3C
C-Rate - (Discharge / Charge)
up to 3C / up to 3C
System Specifications
Battery Cell Chemistry
Lithium ion NMC / graphite
Battery Cell Chemistry
Lithium ion NMC / graphite
Single Module Size / Increments
5.6 kWh / 50 VDC
Single Module Size / Increments
5.6 kWh / 50 VDC
Single Module Capacity
128 Ah
Single Module Capacity
128 Ah
Single Pack Range
38-136 kWh / 350-1200 VDC
Single Pack Range
38-136 kWh / 350-1200 VDC
Module Dimensions
590(l) x 420(w) x 163(h) mm
Module Dimensions
590(l) x 420(w) x 163(h) mm
Module Weight
60 kg
Module Weight
60 kg
Max Gravimetric Density - Pack
77 Wh/kg | 13 kg/kWh
Max Gravimetric Density - Pack
77 Wh/kg | 13 kg/kWh
Max Volumetric Density - Pack
88 Wh/l
Max Volumetric Density - Pack
88 Wh/l
Safety Specifications
Thermal Runaway Anti-Propagation
Passive cell-level thermal runaway isolation with exhaust gas system
Thermal Runaway Anti-Propagation
Passive cell-level thermal runaway isolation with exhaust gas system
Fire Suppression
Per SOLAS, class and Corvus recommendation
Fire Suppression
Per SOLAS, class and Corvus recommendation
Disconnect Circuit
Hardware-based fail-safe for over-temperature and over-voltage
Disconnect Circuit
Hardware-based fail-safe for over-temperature and over-voltage
Short Circuit Protection
Fuses included on pack level
Short Circuit Protection
Fuses included on pack level
Emergency Stop Circuit
Hard-wired
Emergency Stop Circuit
Hard-wired
Ground Fault Detection
Integrated
Ground Fault Detection
Integrated
Disconnect Switchgear Rating
Full load
Disconnect Switchgear Rating
Full load
General Specifications
Class Compliance
DNV, Lloyds Register, Bureau Veritas, ABS, RINA
Class Compliance
DNV, Lloyds Register, Bureau Veritas, ABS, RINA
Type Approval
DNV, Bureau Veritas, ABS, RINA
Type Approval
DNV, Bureau Veritas, ABS, RINA
Cyber Security Approval
DNV
Cyber Security Approval
DNV
Ingress Protection
System: IP44
Ingress Protection
System: IP44
Cooling
Forced Air
Cooling
Forced Air
Safety
Safety
Corvus Energy Safety Innovations
Corvus Energy Safety Innovations
Passive single-cell Thermal Runaway (TR) Isolation
True cell-level thermal runaway isolation
TR does not propagate to neighboring cells
Isolation is not dependent on active cooling
Passive single-cell Thermal Runaway (TR) Isolation
• True cell-level thermal runaway isolation • TR does not propagate to neighboring cells • Isolation is not dependent on active cooling
Exceeds Class and Flag requirements for TR gas venting
Integrated TR gas exhaust system
Easily vented to external atmosphere rather than to the battery room
Passive single-cell Thermal Runaway (TR) Isolation
• True cell-level thermal runaway isolation • TR does not propagate to neighboring cells • Isolation is not dependent on active cooling
Expert Support at Every Stage
Our team of marine energy specialists is ready to help with system design, installation planning, commissioning, and ongoing maintenance.
Ready to Power Your Maritime Future?
Corvus Energy combines advanced battery technology with AI-powered monitoring to deliver the safest, most efficient energy storage solutions for the maritime industry. Our automated production facility in Bergen ensures unmatched quality and reliability across our entire product line.
Ready to Power Your Maritime Future?
Corvus Energy combines advanced battery technology with AI-powered monitoring to deliver the safest, most efficient energy storage solutions for the maritime industry. Our automated production facility in Bergen ensures unmatched quality and reliability across our entire product line.
Our products
Our products
Explore Our Complete Energy Storage Portfolio
The leader in zero-emission marine solutions, Corvus Energy products are designed for Life at Sea™ More than 50% of the world’s hybrid and all-electric maritime vessels are equipped with a Corvus Energy system.
Explore Our Complete Energy Storage Portfolio
The leader in zero-emission marine solutions, Corvus Energy products are designed for Life at Sea™ More than 50% of the world’s hybrid and all-electric maritime vessels are equipped with a Corvus Energy system.
