Engineers at Giga storage ES&O site. Shot in Q4 2023

Battery energy storage technologies​

Proven reliability with future-ready innovation​​

Safe, efficient, and scalable solutions that maximise returns and safe-guard long-term investments

By integrating renewables, energy management technology, and storage with traditional energy resources, we deliver reliable, optimised, and balanced clean power for any energy system—from the largest and most complex grids to the most remote islanded systems.

Each product is designed to future-proof power systems so that they can efficiently integrate more renewables without the risk.

17+

GWh of energy storage capacity globally

130+

energy storage projects

Latest Tech

Quantum3: The latest addition to our Quantum portfolio is a fully-integrated AC block energy storage system for high system availability and optimised rack-level control.

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Quantum 3 rendering
Energy storage site

The Wärtsilä Battery Management System (BMS): Bringing industry-leading cybersecurity, accuracy, and asset longevity to your BESS investment.

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Explore our Quantum portfolio​

Our advanced battery energy storage system portfolio addresses diverse needs, from meeting precise capacity requirements to optimised scalability and flexibility of large-scale sites.​

QuantumHE_Rendering_Wärtsilä Energy Storage

Quantum High Energy

A high-density BESS optimising usable energy and increasing energy density

Quantum2_Rendering_Wärtsilä Energy Storage

Quantum 2

Pre-installed BESS with liquid-cooled battery racks and integrated DC connections

Quantum3_Rendering_Wärtsilä Energy Storage

Quantum 3

An AC block BESS with fully integrated batteries, string-based PCS & Wärtsilä BMS

Optimised operations with GEMS

GEMS software controls and optimises multigigawatt-hour-scale energy storage projects with unrivaled speed, accuracy, and security.

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Wärtsilä GEMS Rack
Engineers at Giga storage energy site

Comprehensive lifecycle services

Protect your investment and stay competitive with Wärtsilä's BESS lifecycle solutions.

View all lifecycle solutions



Benefits

Delivering unsurpassed reliability, flexibility, & safety

ES&O, Giga storage

Hardware

Every Quantum system is engineered with quality, performance, and safety at its core. Featuring industry-leading noise mitigation and fire safety technology, Quantum meets the demands of the most complex modern energy systems.

Engineer in the field

Software

Accessed through a user-centric and cybersecure platform, GEMS leverages over 600,000 real-time and historic data points to ensure your system is optimised and reliable, enabling seamless integration into new and premium energy markets.

Engineers in the field

Services

We de-risk the financing, installation, and operation of your systems with our industry-leading permitting package and support packages, performance guarantees and extended warranty, and white glove service.

energy storage in europe
Engineered for performance. Proven in the field.​

Explore our projects
Wärtsilä Energy Storage.
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