Reliable backup power and off-grid operation

Safety without compromise

Safety without compromise

Why are backup power and off-grid operation important for energy security?

Power outages can disrupt critical functions in municipal buildings, institutions, and utility services. Traditional diesel generators are noisy, polluting, and require ongoing maintenance. With VisBlue’s flow battery, you get a reliable and safe backup solution that can operate off-grid without the use of fossil fuels.

As demands for both operational reliability and sustainability continue to increase, it is essential to choose a solution that keeps your systems running even when the grid fails.

Stable operation:

Ensures critical functions during power outages

Peace of mind:

A reliable and non-flammable backup solution

Green energy security:

No need for fossil-based emergency power

Responsibility:

Meets municipal requirements for a stable and sustainable energy supply

How flow batteries enable backup power and off-grid operation

VisBlue’s flow battery ensures that your critical systems remain operational during power outages without diesel, noise, or fire risk. The technology is water-based, free of cobalt and lithium, and cannot catch fire, making it ideal for buildings with high safety requirements.

The system can be integrated into existing energy solutions and sized according to your needs, both for backup and off-grid operation, providing a solution that protects operations while supporting your sustainability strategy.

Benefits of backup power and off-grid operation: safety and sustainability in one solution

With VisBlue, you get more than backup power. You get a solution that provides peace of mind in everyday operations by ensuring stable performance even during power outages. At the same time, it reduces your carbon footprint and helps meet ESG requirements. The flow battery requires minimal maintenance and has a lifespan of more than 20 years, making it a financially and environmentally responsible investment.

Learn how frequency regulation helps maintain a stable electricity grid.

Why customers choose VisBlue

Responsible

99% recycable
100% free of cobalt and lithium

Safe

Water-based
Cannot catch fire

Durable

+20 years/20.000 cycles
100% capacity

Scalable

Power and capacity tailored to your needs

Danish

Developed and produced in Denmark

Learn about our other solutions

What our customers say

"As a landlord, it gives us great peace of mind to know that the battery can neither catch fire nor explode as we’ve seen happen with other battery types."
Pia Hornbæk
Chairman
“The most fascinating thing about flow batteries is their life cycle assessment. They can handle up to 20,000 cycles and are recyclable - it’s truly impressive.”
Walther Toft
Energy responsible
“By storing excess energy in the flow battery, we will be able to use our energy much more efficiently.”
Michael Riis Nyrand
Property manager
“It’s about finding the right balance between animals, people, nature, and the economy - and VisBlue’s flow battery can help us achieve that through its climate and environmental benefits.”
Karsten B. Nielsen
CEO