Hamburg's Innovative ATES Project to Cut CO2 Emissions by 1,400 Tons by 2030
Hamburg is pioneering a novel approach to reduce carbon emissions by storing wasted heat from industries and waste facilities underground. The city's aquifer thermal energy storage (ATES) project, part of the Tiefstack power plant concept, aims to replace coal-fired power plants with climate-neutral heat solutions by 2030.
The ATES system, with a storage capacity of 2.6 megawatts and an annual capacity of around five gigawatt hours, is expected to save approximately 1,400 tons of CO2 emissions in district heating. It will be positioned in thermal water-bearing sandstone layers, with two boreholes 1,300 meters deep needed at the Tiefstack power plant site.
The first borehole was started at the end of 2022, and the second is scheduled to follow after a successful test. Both boreholes are expected to be operational by summer 2024. This project is one of the sub-projects of the North German Reallab, testing new solutions for climate neutrality.
The aquifer thermal energy storage project in Hamburg is a significant step towards a greener future. By storing wasted heat underground, it not only reduces CO2 emissions but also contributes to the city's goal of replacing its last coal-fired power plant with climate-neutral heat solutions by 2030.
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