The future of cool energy storage is here
Increasing industrial and commercial cooling loads both within the UK and internationally mean that the demand for refrigeration and HVAC output continues to grow, year on year. At the same time the cost of primary energy to produce industrial cooling is becoming highly volatile due to substantial increases in the proportion of renewable energy being fed into the Grid. Smoothing of electrical supply and demand, previously met by system inertia, now requires energy storage either in the form of electrical energy or thermal energy.
EnergiVault is a thermal energy storage technology that has a crucial role to play in the new energy landscape.
- EnergiVault Cold Thermal Energy Storage (C-TES) technology enables large scale storage and release of high intensity cooling effect on demand.
- EnergiVault reduces energy costs on industrial refrigeration systems through load shifting. R718 phase change material (PCM) is accumulated in an ice battery during low tariff times and high intensity refrigeration effect released during high tariff times.
- EnergiVault is uniquely placed for Fast Frequency Response on high capacity industrial chillers enabling instantaneous load shedding for Demand Response.
For further information regarding the EnergiVault Concept, please click here to view our PDF file.
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Operational Energy Savings
The EV system added to an existing cooling system enables off-peak energy to accumulate in a thermal battery to provide high intensity cooling for short durations. This load shifting creates value from tariff rates and reduced transmission and distribution charges.
Demand Response
World-wide, operators of national and internationally connected electrical grids all have the same problem – matching supply with demand. EnergiVault’s Cold Thermal Energy Storage (CTES) technology contributes to grid flexibility through Demand Side Reduction, Fast Frequency Response and Demand Turn-up strategies for industrial refrigeration plant.
Capital Cost Saving
Where a chiller has to be sized for a base load plus daily peak cooling duty, EnergiVault combined with a smaller base load chiller can be first cost competitive compared with a chiller sized for peak, thus delivering immediate operation cost savings.
Integration with local renewable or onsite generation sources
Where businesses have renewable or other onsite power such as PV or CHP, surplus energy can be utilised for thermal storage production, maximising value from such local inputs by ensuring all energy generated locally is consumed on site.