
Figure 1
Data availability (by country).
Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 36,496 (projects with total investment) from a Database total of 36,559.

Figure 2
Total investment for building projects (by measure type, logarithmic scale). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 20,574 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.

Figure 3
Payback time for building projects in EU27+UK (by measure type). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 14,579 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.

Figure 4
Avoidance cost for building projects in EU27+UK (by measure type, no discounting). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 17,194 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.

Figure 5
Total investment for industrial projects (by measure type, logarithmic scale). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 14,995 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.

Figure 6
Payback time for industrial projects in EU27+UK (by measure type). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 9,408 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.

Figure 7
Avoidance cost for industrial projects in EU27+UK (by measure type, no discounting). Source: DEEP Output data on 13/05/2026. Sub-set of projects shown in Chart = 11,212 from a Database total of 36,559. 10%, 25%, 50%, 75% and 90% percentiles are shown in the boxplot.
Table 1
Buildings: Median economic indicators and number of projects by measure category for Germany and the US.
| MEASURE | DE NO. OF PROJECTS | US NO. OF PROJECTS | DE PAYBACK (YEARS) | US PAYBACK (YEARS) | DE AVOIDANCE (CT/KWH) | US AVOIDANCE (CT/KWH) | DE INVESTMENT (€) | US INVESTMENT (€) |
|---|---|---|---|---|---|---|---|---|
| Lighting | 585 | 1,536 | 3.2 | 1.1 | 3.1 | 0.7 | 7,800 | 3,248 |
| HVAC Plant | 2,034 | 562 | 5.1 | 0.9 | 4.0 | 0.2 | 23,134 | 2,727 |
| Building Fabric Measures | 335 | 223 | 7.6 | 1.0 | 4.1 | 0.1 | 57,600 | 1,500 |
[i] Note: Sample sizes differ across economic indicators because not all projects report complete information for every indicator. Payback is static. Avoidance cost calculated at 0% discount rate.
Table 2
Industry: Median economic indicators and number of projects by measure category for Germany and the US.
| MEASURE | DE NO. OF PROJECTS | US NO. OF PROJECTS | DE PAYBACK (YEARS) | US PAYBACK (YEARS) | DE AVOIDANCE (CT/KWH) | US AVOIDANCE (CT/KWH) | DE INVESTMENT (€) | US INVESTMENT (€) |
|---|---|---|---|---|---|---|---|---|
| Heating | 540 | 384 | 2.4 | 0.8 | 0.9 | 0.1 | 14,928 | 2,727 |
| Cooling | 251 | 115 | 2.5 | 1.6 | 2.8 | 1.0 | 20,000 | 10,724 |
| Compressed Air | 3,413 | 1,399 | 3.9 | 0.6 | 5.7 | 0.5 | 16,348 | 1,364 |
| Motors | 1,118 | 1,333 | 3.9 | 1.1 | 4.9 | 0.6 | 12,539 | 4,164 |
| Waste heat (without power generation) | 2,338 | 365 | 6.3 | 1.5 | 3.9 | 0.2 | 56,924 | 9,091 |
[i] Note: Sample sizes differ across economic indicators because not all projects report complete information for every indicator. Payback is static. Avoidance cost calculated at 0% discount rate.