Battery energy storage system as a service for every scale

Energy storage as a service for every scale

Shift consumption to cheaper hours, save on demand charges, and tap stored energy when your grid connection isn't enough. Cactos battery energy storage is designed for manufacturing, logistics, and anywhere power use runs high – from greenhouses to EV charging hubs.

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300+

Installed C&I sites

14.2 MWh

Largest installed system

24/7

Automated & optimized operation

We design and build our battery energy storage systems, including LiFePO4 battery modules, at our factory in Kempele, Finland.

Cactos systems can scale to meet your needs. For example, combining 10 Mylo units provides a 5.2 MWh of storage capacity and 2.6 MW of power.

All systems are powered by Cactos Spine, ensuring they’re always working for your best.

Our products

Indoor Outdoor

Cardo

Indoor battery energy storage system with backup power

Launched in February 2023, Cardo is ideal for sites that need backup power or have smaller electricity connections.

Capacity: 130 kWh

Charging and discharging power: 45 kVA

See technical specifications

Fero

The proven indoor battery energy storage system

Fero supports diverse applications, making it perfect for any commercial or public property to optimize energy use.

Capacity: 240 kWh

Charging and discharging power: 92 kVA

See technical specifications

Features and technical specifications

Features Cardo Fero
Smart load shifting
Storage of locally produced energy
Peak shaving
Backup power 90% of the ancillary service markets' net profits
Cactos Spine service
All maintenance and updates
24/7 monitoring and control
Technical specifications Cardo Fero
Battery capacity 130 kWh 240 kWh
Battery modules LiFePo4 LiFePo4
Charging and discharging power 45 kVA 92 kVA
Cycle life 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C)
Battery management system Cactos BMS Cactos BMS
Permitted operating temperature 10 – 35 °C 10 – 35 °C
Dimensions H x W x D 1,860 x 1,560 x 1,010 mm 1,860 x 2,060 x 1,000 mm
Total weight 1,800 kg 2,000 kg
Enclosure protection rating IP 20 IP 20
Grid voltage 400 V 400 V
Grid frequency 50 Hz 50 Hz
Recycling Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is part-owner of Recser and charges statutory recycling fees on a pass-through basis.

Steno

The versatile outdoor battery energy storage system

Steno is the outdoor evolution of our popular Fero. This compact battery energy storage system suits a wide range of applications, making it the ideal solution for sites aiming to optimize their energy use.

Capacity: 240 kWh

Charging and discharging power: 92 kVA

See technical specifications

Yavia

The powerful outdoor classic

Yavia, the outdoor original, is at home across a wide range of C&I applications. The battery energy storage system powers EV fast-charging stations, versatile commercial facilities, and more.

Capacity: 430 kWh

Charging and discharging power: 184 kVA

See technical specifications

Mylo

The next generation outdoor C&I battery energy storage system

Mylo, the little brother of Nevado, thrives in a wide range of C&I applications. The liquid-cooled battery energy storage system excels at delivering additional power for fleet and EV fast-charging stations, logistics centers, and beyond.

Capacity: 520 kWh

Charging and discharging power: 260 kVA

See technical specifications

Nevado

The grid-scale powerhouse

Designed for grid-scale applications, the new high-power, liquid-cooled Nevado has three versions starting from over 2 MW of charge and discharge power and more than 4 MWh of energy storage capacity per unit. It is built for large-scale projects such as battery parks, storing renewable energy, and grid balancing, as well as participation in wholesale markets – including day-ahead and intraday trading.

Inspired by Nevada, Nevado is engineered to perform in the toughest conditions. Combine multiple units to scale your system up to 50 MWh of capacity.

Capacity: 4,180 – 9,196 kWh

Charging and discharging power: 2,090 – 4,390 kVA

See technical specifications

Features and technical specifications

Features Steno Yavia Mylo Nevado 2.1 Nevado 3.3 Nevado 4.4
Smart load shifting
Storage of locally produced energy
Peak shaving
90-92% of ancillary service markets' net profits
Cactos Spine service
All maintenance and updates
24/7 monitoring and control
Technical specifications Steno Yavia Mylo Nevado 2.1 Nevado 3.3 Nevado 4.4
Battery capacity 240 kWh 430 kWh 520 kWh 4,180 kWh 6,688 kWh 9,196 kWh
Battery modules LiFePo4 LiFePo4 LiFePo4 LiFePo4 LiFePo4 LiFePo4
Charging and discharging power 92 kVA 184 kVA 260 kVA 2,090 kVA 3,290 kVA 4,390 kVA
Cycle life 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C) 8,000 cycles, 70% SOH (25 °C)
Battery management system Cactos BMS Cactos BMS Cactos BMS Cactos BMS Cactos BMS Cactos BMS
Permitted operating temperature -30 – 45 °C -30 – 45 °C -30 – 45 °C -30 – 45 °C -30 – 45 °C -30 – 45 °C
Dimensions H x W x D 2,580 x 2,480 x 1,570 mm 2,500/2,930 x 2,446 x 2,740 mm 2,550 x 2,700 x 1,520 mm Batteries: 1,650 × 10,282 × 3,135 mm Inverter: 3,500 x 2,000 x 2,200 mm Transformer: 2,655 × 5,200 × 2,520 mm Batteries: 1,650 × 13,683 × 3,135 mm Inverter: 3,500 x 2,000 x 2,200 mm Transformer: 2,655 × 5,200 × 2,520 mm Batteries: 1,650 × 18,783 × 3,135 mm Inverter: 3,500 x 2,000 x 2,200 mm Transformer: 2,655 × 5,200 × 2,520 mm
Total weight 3,000 kg 6,011 kg 6,000 kg Batteries: 42,500 kg Inverter: 5,200 kg Transformer: 5,500 kg Batteries: 68,000 kg Inverter: 5,350 kg Transformer: 6,850 kg Batteries: 93,500 kg Inverter: 5,500 kg Transformer: 8,200 kg
Enclosure protection rating IP 54 IP 54 IP 54 IP 65 IP 65 IP 65
Grid voltage 400 V 400 V 400 V 20 kV 20 kV 20 kV
Grid frequency 50 Hz 50 Hz 50 Hz 50 Hz 50 Hz 50 Hz
Recycling Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis. Cactos is a member of Recser and charges statutory recycling fees on a pass-through basis.

Cactos Spine – the brain behind it all

Cactos isn’t just about batteries. Cactos Spine is the intelligence that manages your energy storage and works tirelessly in your favor.

It gathers real-time data on energy consumption, prices, and weather to operate your system in the smartest way possible. This ensures maximum savings, effortlessly.

You can monitor your system anytime through the Cactos Spine dashboard, where you’ll also find detailed reports on its performance and earnings.

Fully automated system control, 24/7

AI-driven optimization for peak performance

Monitor your system – wherever you are

Get started

Interested in seeing how battery energy storage can benefit your business? Get a demo of Cactos.

You get

✔️   An estimate of how Cactos can help you save

✔️   A profitability assessment of energy storage for your site

✔️   The recommended product and system size

300+ installed energy storage systems

How Cactos helps you

Shift load to cheaper hours Support your property’s energy needs with stored power and reduce your costs.

Cut down on demand charges Shave your energy consumption peaks and save on transmission costs.

Achieve higher peak power Get more power when you need it, without upgrading your electricity connection.

Participate in electricity markets Unlock new revenue by participating in reserve and wholesale markets.

Unlock a new revenue stream

Your grid connection is more than an expense. It’s a chance to optimize your energy use. With Cactos, you can participate in reserve markets and contribute to grid stability – and unlock a new revenue stream.

FAQ

What kind of product guarantee does Cactos have?

Cactos offers a full warranty on the equipment it manufactures for the entire leasing period. The warranty covers both labour and necessary spare parts.

How do I know how many units I need?

The amount of capacity to be installed depends on a number of factors such as the size of the electrical connection at the installation site, the characteristics of the potential PV system and other factors related to electricity consumption. Our experts will always design the optimal package together with the customer, taking into account the various factors that affect the sizing of the system.

How large an energy storage system can you supply?

Cactos can currently supply a system with a maximum storage capacity of 50 MWh.

How much capacity is there in one Cactos unit?

The capacity of Cactos units depends on the model.