GEG · DIP 298723
62% conflictGebäudeenergiegesetz 2023
Heizungsgesetz
The Heizungsgesetz — government claimed a mandated heat-pump transition would cut building emissions while remaining affordable; Bundesrat, CDU/CSU, and FDP disputed both the cost projections and the transition timeline.
Claims19
Contested13
Relations9
Top contested:
Renewables-based heat supply is likely to be cheaper and more stable in the medium to long term.
Requiring a high renewables share for new heating systems lowers the buildings sector's greenhouse-gas emissions.
WPG · DIP 302875
61% conflictWärmeplanungsgesetz 2023
Fernwärmegesetz
The companion to the Heizungsgesetz — the government claimed mandatory municipal heat plans would give citizens investment certainty; the Bundesrat disputed implementation timelines, financing obligations, and federal competence to regulate municipal planning.
Claims13
Contested6
Relations6
Top contested:
The Bundesrat doubts that municipalities under 10,000 residents have the capacity to prepare high-quality heat plans …
The government counters that the costs of municipal heat planning can be covered by existing federal subsidy programm…
CanG · DIP 302864
60% conflictCannabisgesetz 2024
Germany's cannabis legalisation — the Bundesregierung argued legalisation would shrink the illicit market and improve youth protection; CDU/CSU disputed the empirical basis and the constitutional framing.
Claims23
Contested15
Relations16
Top contested:
In countries like Canada, legally declared cannabis has succeeded in significantly pushing back the black market.
Experience from Portugal and Canada shows that decriminalisation has stabilised consumption figures among young peopl…
Gebäudemodernisierungsgesetz 2026
GEG-Reform
The Merz coalition's reform of the 2023 Heizungsgesetz — the government abolished the 65% renewables mandate and replaced it with a technology-neutral Bio-Staircase; the Greens and Die Linke warned of a fossil heating cost trap and constitutional violations.
Claims10
Contested7
Relations6
Top contested:
Newly installed gas and oil heating systems must use at least 10% biofuel from 1 January 2029, rising to 15% (2030), …
Citizens gain a net annual relief of approximately €5.1 billion — confirmed by the Normenkontrollrat (NKR); industry …