The Arlanda Airport Aquifer – Thermal Energy Storage System is an 8,000kW energy storage project located in Arlanda, Stockholm, Sweden.

The thermal energy storage project uses others as its storage technology. The project was commissioned in 2009.


The Arlanda Airport Aquifer – Thermal Energy Storage System was developed by LFV Group. The project is owned by Arlanda Energi AB Swedavia (100%).

The key application of the project is electric bill management.

Contractors involved

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Arlanda Energi AB Swedavia, LFV Group and Malmberg Water have delivered the project.

Additional information

The largest project at the moment is the construction of an Aquifer Thermal Energy Storage
(ATES) plant. This plant will supply the airport with natural, renewable heat and cold, thus
replacing conventional chillers and reduce the dependence of electricity and district heating. The aquifer is situated in the local esker Långåsen, a couple of kilometers away from the terminals. The idea to use the esker for seasonal storage of natural heat and cold took form in 2005. Feasibility studies began the year after, followed by hydro-geological site investigations,
and a permit application including an environmental assessment was sent to the Environmental
court in 2007. The system is designed to cover a cooling a nd heating load of approximately 8 MW at a maximum ground water flow of 720 m3 /h.

About LFV Group

LFV Group (LFV) operates and develops air traffic management and associated navigation services. The company’s services include air traffic control, communication, navigation, and surveillance services. It also offers obstacle analysis, optimizing the airspace, remote tower services, and flight inspection. LFV’s information services comprise aeronautical information service and flight planning, flight paths, airspace maps, navigation instruments, radio frequencies, and flight procedures. The company provides technical operation, configuration control, hardware, and software maintenance, training support, verification, validation, and testing. LFV is headquartered in Norrkoping, VastraGotaland, Sweden.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.