News from heat planning
Find out more about the current status of municipal heat planning in Mainz.
June 2026
The Municipal Heating Plan for the state capital of Mainz was adopted by the City Council on June 17, 2026.
You can view and download the complete Mainz Heating Plan here:
We have revised and significantly expanded our FAQ on municipal heat planning in Mainz—so you can find the answers that are truly relevant to you even faster.
What's New?
We’ve addressed and directly answered the most common questions from the citizens’ forum and the public participation phase. We’ve also added a new guide: Depending on whether your neighborhood is classified as a district heating area or an individual heating area, you’ll now find specific recommendations for action.
What can you find in the FAQ?
Answers to the most frequently asked questions about mandatory participation, connection requirements, heating system replacement, subsidies, and the new Building Modernization Act. And new: a section with a map and explanation of the supply areas, showing exactly what the four area types in the heating plan mean for you—and what steps you should take now.
Take a look:
If you have specific questions about heating, home renovation, or financial assistance, the City of Mainz offers advisory services in cooperation with the Rhineland-Palatinate Consumer Advice Center:
April 2026
The public comment period for the Municipal Heating Plan has ended.
From March 2 through April 1, 2026, you had the opportunity to submit comments and feedback on the draft Municipal Heating Plan. Thank you very much for your feedback!
You can find an overview of how the feedback has been incorporated here:
December 2024 through March 2026
Development of the Mainz Heating Plan with the support of a commissioned consortium of experts; formation of a project group comprising representatives from various municipal departments, as well as representatives from Stadtwerke, Wohnbau Mainz, and Wirtschaftsbetrieb Mainz.
On March 11, 2026, the second public forum on municipal heating planning (KWP) took place at the Rheingoldhalle in Mainz. Around 200 citizens took the opportunity to review the completed draft of the Mainz Heating Plan, ask questions of experts from the trades and energy consulting sectors, and contribute to the participatory process.
More information, the presentation, and a video recording can be found here: