The use of thermal energy storage technology can significantly contribute to a reduction in energy consumption and greenhouse gas emissions in commercial buildings. One company that is leading the charge in this area is Cartesian, which has developed a thermal box that can store excess heat and cold. This innovative solution allows users to distribute their energy usage throughout the day, making it a game-changer for the energy sector.
Collaboration and Development
Cartesian’s technology builds on research conducted by SINTEF and NTNU, with the company having partially developed it through the research center HighEFF. Following technology transfer from SINTEF TTO and additional funding from multiple investors, Cartesian is now establishing itself in the European market. The company has already installed systems in Norway and France, with plans to expand into the USA and other European countries.
Case Study: REMA 1000 in Mjøndalen, Norway
One of Cartesian’s installations can be found at REMA 1000 in Mjøndalen, Norway. Here, the thermal battery stores energy when electricity prices are lowest, providing relief to the grid during periods of high demand. The results from this installation demonstrate the technology’s potential to reduce energy costs and lower the environmental impact of the grocery industry.
Benefits of the Solution
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• Reduces energy consumption by 10%
• Reduces energy costs by 20%
• Peaks load demands by at least 30%
• Reduces investments in cooling and heating equipment
• Contributes to lower CO₂ emissions through more efficient energy use
• Reduces the need for new grid expansions
• Uses 100% sustainable and recyclable materials
Expert Insights
“Cartesian demonstrates what is achievable when research and industry collaborate on concrete challenges. This technology provides a new and efficient way of storing energy, making the energy system more flexible and robust. These are exactly the types of solutions we need for a successful energy transition,” says Petter Røkke, research director at SINTEF Energy.
Technical Details
- Charged with heat or cold when energy supply is abundant and electricity prices are low.
- Stored energy is released during the daytime when heating or cooling demands are greatest and electricity prices are higher.
- Reduces energy consumption, energy costs, and peak load demands.
- Contributes to lower CO₂ emissions through more efficient energy use.
- Reduces the need for new grid expansions.
- Uses 100% sustainable and recyclable materials.
The thermal box technology developed by Cartesian is a groundbreaking solution for commercial buildings, offering a range of benefits that contribute to a more sustainable energy future. By storing thermal energy and releasing it as needed, the technology reduces energy consumption, energy costs, and greenhouse gas emissions, while also promoting a more efficient energy system. As the energy sector continues to evolve, solutions like Cartesian’s thermal box are essential for achieving a low-carbon future.
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