Municipalities play a crucial role in the green transition. From schools and care homes to sports centres and administrative buildings, many municipalities are actively working to reduce energy consumption, lower CO₂ emissions and increase the use of renewable energy.

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However, green energy also creates new challenges. The sun does not always shine when electricity is needed, and energy production from renewable sources varies throughout the day. As a result, energy storage has become an important tool for municipalities seeking a more flexible and resilient energy supply.

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What is energy storage?

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Energy storage makes it possible to save electricity for use at a later time. Surplus energy from sources such as solar panels can be stored when production is high and used later when demand arises.

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This allows municipalities to gain greater value from their energy generation and reduce their dependence on when the energy is produced.

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For many municipalities, energy storage is therefore about economics, energy security and sustainability.

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Why municipalities invest in energy storage

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An increasing number of municipalities see energy storage as a natural part of their climate and energy strategy.

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Energy storage can contribute to:

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• Better utilisation of electricity generated by solar panels and other renewable energy sources

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• Reduced CO₂ emissions

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• Increased energy security

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• Greater flexibility in energy consumption

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• Support for municipal sustainability goals

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At the same time, energy storage can help municipalities become more resilient in an energy system where electrification and growing energy demand are placing new requirements on infrastructure.

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Safety is essential

When energy storage systems are installed close to residents, employees and municipal buildings, safety is an important consideration.

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At VisBlue, we use water-based Vanadium Redox Flow technology. The battery consists of up to 85% water and is non-flammable. This makes the technology particularly attractive for municipalities where safe operation and peace of mind are high priorities.

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Flow batteries can therefore be integrated into municipal energy infrastructure without the same safety concerns often associated with other battery technologies.

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Long-term solutions for long-term ambitions

Municipal investments are often evaluated based on their overall value over many years.

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For this reason, many municipalities consider not only the purchase price, but also lifespan, maintenance requirements and operational reliability. VisBlue's flow batteries are designed for more than 20 years of operation and up to 20,000 charge and discharge cycles, while maintaining their capacity throughout their service life.

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This makes flow batteries a long-term investment that aligns with municipalities' need for stable and future-proof solutions.

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Danish technology for Danish municipalities

VisBlue's flow batteries are developed and manufactured in Denmark with a focus on safety, sustainability and high operational reliability.

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We work closely with municipalities to create energy solutions that support local climate goals and contribute to a more flexible energy system.

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For municipalities, energy storage is about more than technology. It is about creating a more sustainable future, strengthening energy security and turning climate ambitions into tangible results.

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