Heat pump in Wiesbaden
Heat pumps in Wiesbaden at a glance
The Magistrat adopted the municipal heating plan on 23 June 2026 and submitted it to the state on time before the federal deadline (30 June 2026). ESWE supplies the city with electricity, gas and district heating. Hessen does not currently provide direct support for heat pumps for private individuals.
See also: nationwide basis. KfW 458, GEG and technical minimum requirements apply in Wiesbaden without restriction.
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Funding in Wiesbaden
| Item | Value |
|---|---|
| KfW 458 (federal funding) | active |
| Hessen state funding | not for private individuals (2026) |
| KfW supplementary loan 358/359 | low-interest loan for interim or remaining financing |
| ESWE tariffs | special heat-pump tariffs |
Details of KfW 458 can be found in the nationwide basis. Hessen supports mainly municipalities and businesses via WIBank. LEA Hessen provides free advice to private individuals.
Application process and responsible bodies
Untere Wasserbehörde of Stadt Wiesbaden
Located in the Umweltamt. Approves geothermal probes and groundwater heat pumps.
ESWE Versorgungs AG
Supplier of electricity, gas and district heating. Offers an innovation and climate protection fund for customers.
LEA Hessen
Landesenergie-Agentur Hessen. Provides free advice to private individuals on saving energy and replacing heating systems.
Status of municipal heating planning
| Step | Date |
|---|---|
| Public display of the work results | 27 January – 1 March 2026 |
| Adoption by the Magistrat | 23 June 2026 |
| Submission to the state | before the federal deadline of 30 June 2026 |
Wiesbaden and ESWE cooperated as part of the heating planning process. The Magistrat adopted the completed plan on 23 June 2026 and submitted it to the state in time before the federal deadline.
Local features
Wiesbaden has a district heating network that is to be expanded. However, many districts require decentralised solutions such as heat pumps. ESWE is investing in climate-neutral heat generation. Minimum distances for geothermal probes have no longer applied in Hessen since 29 November 2022.
Frequently asked questions
What funding is available in Wiesbaden for my heat pump?
Primarily KfW 458, federal funding, supplemented by the KfW supplementary loan 358/359 for interim financing. Hessen does not currently provide additional support for heat pumps for private individuals.
Who approves a geothermal probe in Wiesbaden?
The Untere Wasserbehörde approves probes. Since 29 November 2022, no minimum distances apply.
Does Wiesbaden have a heating plan?
Yes. The Magistrat adopted the municipal heating plan on 23 June 2026 and submitted it to the state on time before the federal deadline (30 June 2026).