Germany · Thermal storage and district heating

Meldorf underground thermal-storage heat pump

ecop describes its Rotation Heat Pump as part of a demonstrator that charges an underground thermal store and upgrades recovered heat during discharge.

Demonstration

Recorded project facts

Supplier or system
ecop Rotation Heat Pump
Published capacity
Not stated
Heat source
Industrial waste heat and ambient air
Heat sink
Underground store and district heating
Refrigerant
Inert-gas mixture
Evidence type
Manufacturer report

Evidence boundary

The linked source was published by a supplier involved in the project. It can establish the supplier's stated scope and figures but is not independent verification of annual performance.

Values have not been normalised across projects because source temperatures, sink temperatures, system boundaries and reporting periods differ.

Evidence source

ecop Meldorf project update

Record reviewed 21 August 2026. Status is shown separately so a planned system cannot be mistaken for an operating installation.

Open evidence source →