Portfolio Environmental Figures
Environmental Key Figures – Energy Consumption in the Portfolio
2021 by region |
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Key Figures |
Unit |
2019 |
2020 |
2021 |
Germany |
Austria |
Sweden |
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Energy Consumption in the Portfolio |
302–1, 302–3 |
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Energy consumption 1) |
MWh |
4,318,235 |
4,548,951 |
4,447,794 |
3,527,373 |
343,998 |
576,422 |
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Energy intensity |
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Energy intensity of rentable area |
kWh/m² |
166.1 |
165.1 |
162.2 |
155.5 |
196.3 |
193.1 |
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of which from supply of heating |
kWh/m² |
163.5 |
160.9 |
157.7 |
153.2 |
192.1 |
171.9 |
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of which from general electricity consumption |
kWh/m² |
2.6 |
4.2 |
4.5 |
2.3 |
4.2 |
21.3 |
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Energy intensity per rented unit |
MWh/ rented unit |
10.8 |
10.8 |
10.6 |
9.9 |
15.6 |
14.2 |
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of which from supply of heating |
MWh/ rented unit |
10.6 |
10.5 |
10.3 |
9.7 |
15.2 |
12.6 |
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of which from general electricity consumption |
MWh/ rented unit |
0.2 |
0.3 |
0.3 |
0.1 |
0.3 |
1.6 |
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Heating consumption in the portfolio 2) |
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Heating consumption in the portfolio |
MWh |
4,249,600 |
4,433,194 |
4,325,611 |
3,476,009 |
336,644 |
512,959 |
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from renewable sources |
% |
0 |
0 |
0.3 |
0 |
2.0 |
1.4 |
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from non-renewable sources |
% |
100 |
100 |
99.7 |
100 |
98.0 |
98.6 |
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Natural gas |
MWh |
2,086,988 |
2,090,876 |
2,034,751 |
1,911,305 |
123,445 |
0 |
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District heating |
MWh |
1,799,648 |
2,029,574 |
2,015,140 |
1,360,651 |
153,811 |
500,678 |
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Heating oil |
MWh |
207,233 |
181,555 |
167,659 |
140,122 |
27,537 |
0 |
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Electricity |
MWh |
98,131 |
74,596 |
67,541 |
37,113 |
25,214 |
5,215 |
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Coal |
MWh |
47,672 |
37,367 |
26,817 |
26,817 |
0 |
0 |
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Other 3) |
MWh |
9,927 |
19,226 |
13,703 |
0 |
6,637 |
7,067 |
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Electricity consumption in communal areas |
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Total electricity consumption in communal areas |
MWh |
68,635 |
115,757 |
122,182 |
51,365 |
7,355 |
63,463 |
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from renewable sources 4) |
% |
46.7 |
77.3 |
76.9 |
96.6 |
85.9 |
59.8 |
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from non-renewable sources 4) |
% |
53.3 |
22.7 |
23.1 |
3.4 |
14.1 |
40.2 |
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- 1) Consists of electricity consumption in the portfolio’s communal spaces and total heat consumption in the portfolio (according to energy certificates, calculated for living and communal areas).
- 2) When calculating the heat energy used, the rental areas were extrapolated to the total building area in accordance with ENEV 2020 §82 (2) by adding 20% for the common areas. However, the denominator of this key figure remains the rental space without common areas. In 2019, calculation for the Austrian region according to extrapolated consumption in line with the Klimaaktiv Pact.
- 3) Other includes: Biomass, solar thermal, heat pumps.
- 4) Calculation based on the share of renewable energy in the Swedish electricity mix according to the Swedish Energy Agency, and in the Austrian electricity mix according to the E-Control 2020 electricity disclosure report (in each case location-based approach). For the Germany region since 2020, all volumes handled via VESG by means of 100% green electricity proof of origin, cleared via the Federal Environment Agency’s register of guarantees of origin. Remainder and previously: electricity mix for Germany.
Environmental Key Figures – Refurbishment
2021 by region |
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Key Figures |
Unit |
2019 |
2020 |
2021 |
Germany |
Austria |
Sweden |
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Refurbishment |
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Number of modernized buildings |
number |
1,745 |
1,382 |
1,152 |
1,027 |
22 |
103 1) |
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Number of modernized rented units |
number |
14,229 |
11,299 |
9,420 |
8,230 |
495 |
695 1) |
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Modernized rentable area |
million m² |
0.88 |
0.69 |
0.58 |
0.49 |
0.03 |
0,05 1) |
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Number of rented units with upgraded heating systems |
number |
7,939 |
7,247 |
5,025 |
4,087 |
162 |
776 1) |
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refurbishment rate |
% |
3.6 |
2.7 |
2.2 |
2.3 |
2.2 |
1,7 1) |
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Expenses for maintenance and ongoing maintenance |
in € million |
481.6 |
592.0 |
666.4 |
541.7 |
53.3 |
71.4 |
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Maintenance intensity |
€/m²/a |
19.0 |
22.3 |
25.2 |
24.5 |
33.0 |
26.0 |
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Expenses for modernization |
in € million |
996.5 |
908.4 |
758.6 |
594.1 |
1.6 |
162.9 |
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Modernization intensity |
€/m²/a |
39.4 |
34.2 |
28.7 |
26.9 |
1.0 |
59.4 |
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Investment in the portfolio |
in € million |
1,478.1 |
1,500.4 |
1,425.0 |
1,135.8 |
54.8 |
234.3 |
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Investment intensity |
€/m²/a |
58.4 |
56.6 |
53.8 |
51.4 |
33.9 |
85.4 |
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Expenses for new construction |
in € million |
493.0 |
435.5 |
526.6 |
389.1 |
119.4 |
18.0 |
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Total investment intensity |
in € million |
1,971.1 |
1,935.9 |
1,951.6 |
1,525.0 |
174.3 |
252.4 |
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Rented units modernized using KfW funds |
number |
10,146 |
4,906 |
4,300 |
4,300 |
0 |
0 |
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- 1) As in the previous years, refurbishments and modernizations with a total investment sum of more than €500 per square meter of rental space per business unit were taken into account for the Sweden region.
Environmental Key Figures – Energy Efficiency Standards by Energy End-use Efficiency Class
2021 by region |
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Key Figures |
Unit |
2019 |
2020 |
2021 |
Germany |
Austria |
Sweden |
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Energy Efficiency Standards by Energy End-use Efficiency Class 1) |
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Rental area |
m² |
25,991,328 |
27,545,128 |
27,422,827 |
22,686,189 |
1,752,265 |
2,984,373 |
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of which energy level A+ |
% |
0.1 |
0.1 |
0.1 |
0.1 |
0.4 |
0.0 |
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of which energy level A |
% |
0.6 |
0.8 |
1.0 |
1.0 |
2.7 |
0.0 |
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of which energy level B |
% |
7.0 |
7.7 |
9.5 |
10.5 |
9.9 |
1.1 |
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of which energy level C |
% |
17.8 |
18.9 |
20.5 |
23.3 |
10.9 |
4.8 |
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of which energy level D |
% |
23.7 |
24.8 |
23.9 |
25.0 |
12.9 |
21.8 |
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of which energy level E |
% |
19.1 |
18.7 |
18.1 |
16.9 |
9.5 |
32.5 |
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of which energy level F |
% |
12.8 |
11.6 |
10.1 |
9.3 |
12.2 |
15.2 |
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of which energy level G |
% |
6.0 |
4.7 |
4.4 |
3.9 |
11.0 |
4.1 |
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of which energy level H |
% |
3.9 |
3.2 |
2.7 |
2.4 |
11.1 |
0.2 |
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of which not disclosed |
% |
9.0 |
9.3 |
9.6 |
7.5 |
19.4 |
20.2 |
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- 1) Existing buildings including listed buildings excluding pure car park buildings. Classification of all buildings according to German final energy classifications. No like-for-like consideration, therefore the change is also influenced by purchases.
Environmental Key Figures – Fresh Water Consumption in the Portfolio
2021 by region |
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Key Figures |
Unit |
20191) |
2020 |
2021 |
Germany |
Austria |
Sweden |
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Fresh Water Consumption in the Portfolio 1) |
303–5 |
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Water consumption |
million m³ |
45.2 |
53.2 |
49.6 |
40.6 |
3.5 |
5.5 |
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Water intensity |
m³/m² |
1.98 |
1.93 |
1.81 |
1.79 |
1.97 |
1.85 |
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- 1) For the 2019 financial year, only the Germany region.
Environmental Key Figures – Waste Volume in the Portfolio
2021 by region |
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Key Figures |
Unit |
20191) |
2020 |
2021 |
Germany |
Austria |
Sweden |
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Waste Volume in the Portfolio 2) |
306–2 |
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Waste volume |
t |
485,828 |
519,402 |
561,643 |
515,894 |
21,657 |
24,092 |
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of which residual waste |
% |
37.0 |
36.3 |
37.3 |
36.9 |
36.8 |
47,2 3) |
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of which waste paper |
% |
34.7 |
33.4 |
30.8 |
32.2 |
16.3 |
13.1 |
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of which recycling 4) |
% |
7.8 |
9.1 |
9.3 |
8.2 |
20.2 |
23.6 |
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of which organic waste |
% |
20.4 |
21.3 |
22.6 |
22.7 |
26.7 |
16.0 |
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Recycling ratio 5) |
% |
63.0 |
63.7 |
62.7 |
63.1 |
63.2 |
52.8 |
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- 1) For the 2019 financial year, only the Germany region.
- 2) Calculations, especially for the regions of Austria and Sweden, are mainly based on statistical data due to lack of data availability.
- 3) Reflects residual waste including bulky waste and incineration for energy generation.
- 4) Region Germany and Austria: Glass, packaging, metals, wood, plastics, textiles. Region Sweden: Material from recycling centres and packaging waste.
- 5) Calculation of recycling rate via share of waste generation in tons. The recycling rate takes into account not only the volume of recycled waste but also the reusability of waste paper and organic waste.