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Impact and social dimensions of Germany’s federal funding for efficient buildings: Findings from four years of evaluation Cover

Impact and social dimensions of Germany’s federal funding for efficient buildings: Findings from four years of evaluation

Open Access
|Aug 2026

Figures & Tables

Figure 1

Development of funding conditions for renovations (funding intensities in percentages).

Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 2

Development of funding conditions for individual measures (funding intensities in percentages).

Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 3

Funding cases BEG (2021–2024) in thousands.

Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 4

Greenhouse gas emissions savings in thousand tCO2e per year.

Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 5

Number of funding cases and residential units for residential buildings with and without WPB in thousands.

Source: Own representation based on BEG evaluation reports (2021–2024).

Table 1

Federal resources in Million Euro and share for cases with and without WPB bonus for residential buildings.

202220232024
FEDERAL RESOURCES [€m]SHAREFEDERAL RESOURCES [€m]SHAREFEDERAL RESOURCES [€m]SHARE
renovation with WPB270.4%80771.2%87772.5%
renovation without WPB6,03899.6%32628.8%33327.5%
total6,066100.0%1,132100.0%1,210100.0%

[i] Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 6

Distribution of construction years for EH40, EH55 and EH70 with and without WPB-bonus for residential buildings (2021–2024).

Source: Own representation10 based on BEG evaluation reports (2021–2024).

Figure 7

Renovation status of funded residential buildings, divided into buildings with WPB and without WPB.

Source: Own representation11 based on BEG evaluation reports (2021–2024).

Figure 8

Average value of the greenhouse gas emissions caused by the energy consumption before and after the retrofit of residential buildings.

Source: Own representation12 based on BEG evaluation reports (2021–2024).

Figure 9

Net monthly household income.

Source: Own representation based on BEG evaluation reports (202113–202414).

Figure 10

Share of age groups of the whole BEG EM and of the people that gained the income bonus.

Source: Own representation based on BEG evaluation reports (2021–2024)17,18.

PRIMARY ENERGY FACTORS (ELECTRICITY AND DISTRICT HEATING: AVERAGE VALUES FOR THE YEARS 2025 TO 2045)GHG FACTORS WITHOUT UPSTREAM CHAINS (ELECTRICITY AND DISTRICT HEATING: AVERAGE VALUES FOR THE YEARS 2025 TO 2045) [G/KWH]
natural gas1.1202
biomethane1.170
fuel oil1.1266
district heating1.170
electricity1.6125
wood1.129

[i] Source: Own representation based on BEG evaluation reports (2021–2024).

Figure 11

Share of the reached EH-standard in BEG residential buildings.

Source: Own representation based on BEG evaluation reports (2021–2024).20 © Prognos/ifeu/FIW/ITG 2026.

Language: English
Page range: 49 - 49
Submitted on: Mar 18, 2026
Accepted on: May 17, 2026
Published on: Aug 24, 2026
Published by: European Council for an Energy Efficient Economy (eceee)
In partnership with: Paradigm Publishing Services

© 2026 Nora Langreder, Anna-Maria Grodeke, Stephan Heinrich, Benedikt Empl, Florian Maiwald, published by European Council for an Energy Efficient Economy (eceee)
This work is licensed under the Creative Commons Attribution 4.0 License.