Buy electricity at low prices and use it when prices are high

Energy storage guided by price and demand - not randomness

Energy storage guided by price and demand - not randomness

What is spot price optimisation - and why does it pay off

Electricity prices on the spot market can fluctuate significantly from day to day and hour to hour. By shifting parts of your consumption from expensive to cheaper hours, you can reduce overall energy costs without compromising operations or comfort. Spot price optimisation is about using data and flexibility intelligently, making your business less vulnerable to price volatility, tariffs, and unforeseen market changes.

For municipalities, housing associations, educational institutions, care homes, sports facilities, and industrial companies, the benefits can be seen directly on the bottom line. At the same time, it sends a clear signal of responsible management and a commitment to sustainability, supporting both financial performance and environmental goals.

Also read about our advantage: Optimisation of renewable energy

Financial benefit:

You buy electricity when it’s cheapest

Reduced expenses:

The battery automatically adjusts consumption based on electricity prices

Predictability:

You avoid surprises on your electricity bill

Optimal timing:

Smart and cost-efficient energy use

How spot price optimization works with VisBlue’s batteries

VisBlue’s battery solution stores electricity during low-price periods and releases it when market prices rise. The system can be integrated into your existing energy systems, such as solar panels, heat pumps, building automation, EV chargers, and CTS/BMS and is automatically controlled based on spot prices, scheduling, and your own rules. You define the objective, whether it is cost minimisation, peak reduction, or a combination, and the solution optimises operation accordingly.

The technology is water-based, free of cobalt and lithium, and cannot catch fire. Power and capacity can be scaled to suit everything from individual buildings to entire portfolios. This makes implementation safe, flexible, and future-proof both technically and commercially.

Financial impact, risk management, and documentation

With spot price optimisation, you achieve a more predictable electricity bill by shifting consumption away from expensive hours and peak demand periods. The financial impact comes from lower energy costs during peak times, improved use of on-site generation, and more intelligent timing of consumption, all without disrupting daily operations.

As part of your sustainability strategy, you can also document the results: reduced costs, better utilisation of renewable energy, and clear KPIs for management, boards, and ESG reporting. This provides a solid decision-making foundation that is easy to communicate both internally and externally.

Learn how flexibility enables optimal use of spot prices

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