Field experience with aquifer thermal energy storage

Conference · Sun Nov 01 04:00:00 EST 1987

OSTI ID:5193652

Kannberg, L D

Aquifer thermal energy storage (ATES) has the potential to provide storage for large-scale building heating and cooling at many sites in the US. However, implementation requires careful attention to site geohydraulic and geochemical characteristics. Field tests in the US have shown the over 60% of the heat injected at temperatures over 100)degree)C can be recovered on a seasonal cycle. Similarly, aquifer storage of shilled ground water can provide building cooling with annual cooling electrical energy reductions of over 50% and a reduction in summer peak cooling electrical usage by as much as a factor of 20. A number of projects have been built and operated around the world. China has installed numerous ATES systems in many major cities. Installations in QEurope and Scandinavia are almost exclusicely low-temperature heat storage systems that use heat pumps. Two high-temperature systems (over 100)degree)C are in operation or undergoing preliminary testing: one in Denmark, the other in France. Heat ATES often requires water treatment to prevent precipitation of calcium and magnesium carbonates. At some sites, consideration of other geochemical and microbiological issues (such as iron bacteria) must be resolved. 7 refs.

• Research Organization: Pacific Northwest Lab., Richland, WA (USA)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 5193652
• Report Number(s): PNL-SA-15449; CONF-880212-6; ON: DE88007075
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250600* -- Energy Storage-- Thermal
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106 -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
AQUIFERS
BUILDINGS
CHEMISTRY
COOLING SYSTEMS
DEMONSTRATION PROGRAMS
ENERGY SYSTEMS
EQUIPMENT
HEATING
INJECTION WELLS
SPACE HEATING
TECHNOLOGY ASSESSMENT
THERMAL ENERGY STORAGE EQUIPMENT
WATER CHEMISTRY
WELLS