Innovative Solution for Heat Storage Using Aquifers

Heat storage is crucial, especially during winter, and aquifers present a viable solution. By utilizing subsurface as an insulator and tapping into tertiary sand deposits, applications for shallow and deep geothermal energy are feasible. The concept of a Hot Water Battery offers an efficient means of storing excess energy underground, providing advantages such as storage of higher temperatures, use of a monowell, and acting as a buffer for drinking water. The overall conclusion emphasizes the necessity of heat storage and the potential of aquifers to address this need effectively.

• Heat Storage
• Aquifers
• Geothermal Energy
• Hot Water Battery
• Innovation

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Uploaded on Oct 01, 2024 | 0 Views

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1. Heat Storage HT Heat storage is needed, aquifers can provide the solution ir. T.I.S. van der Woude

2. Necessity for heat storage Residential Energy use 0.5% 1.5% 5.7% Space heating 13.8% Water heating Lighting and applications 13.9% Cooking 64.6% Space cooling Other end uses

3. Heat is needed during winter 3

4. Aquifers can provide the solution - Subsurface is a good insulator - Tertiary sand deposits (depths between 100 and 500 meters) - Applications exists for shallow and deep geothermal energy 4

5. Example borehole Delft Potential Aquifer Potential Aquifer Potential Aquifer 5

6. Application to urban areas Hot water Cold water Heat production plant Offices/shops Residence 6

7. Possible solution Hot Water Battery: Storage of excess energy in the subsurface 7

8. Hot Water Battery Summer scenario 8

9. Hot Water Battery Winter scenario 9

10. Advantages of the Hot Water Battery - Storage of higher temperatures - Use of a monowell - Buffer for drinking water - 4 months demand, 8 months to fill buffer

11. Conclusion HT heat storage is needed Aquifers can provide the solution 11

12. www.witteveenbos.com