Research Article
ISD: A New Methodological Approach for Measuring the Sustainability of the German Energy System
Table 1
Sustainability energy indicators for Germany.
| Sustainability indicators for Germany | | 1997 | 1998 | 1999 | 2000 | 2004 | 2006 | 2010 | 2015 | 2020 | 2050 |
| (1) Energy and raw materials productivity (1994 = 100) | | | | | | | | | | | Energy | | | 120 | | | | 160 | | 200 | | Raw materials | | | 117 | | | | 158 | | 200 | | (2) Emissions of the six greenhouse gases covered by the Kyoto Protocol (1990 = 100) | | | | 81 | | | 79 | | | | (3) Proportion of energy consumption from renewable energy | | | | | | | | | | | in % primary energy consumption | | | | 2 | | | 4 | | | | in % electricity consumption | | | | 6 | | | 13 | | | 50 | (4) Mobility | | | | | | | | | | | Transport intensity 1999 = 100 | | | | | | | | | | | Passenger traffic | | | 100 | | | | 90 | | 78 | | Goods traffic | | | 100 | | | | 98 | | 95 | | (5) Air quality, 1990 = 100 | | | | | | | | | | | Air Quality | | | 54 | 52 | | | 30 | | | | NOx | | | 54 | 52 | | | 30 | | | | SO2 | | | 54 | 52 | | | 30 | | | | CO | | | 54 | 52 | | | 30 | | | | Dust | | | 54 | 52 | | | 30 | | | | NMVOC | | | 54 | 52 | | | 30 | | | | NH3 | | | 54 | 52 | | | 30 | | | | (6) Employment | | | | | | | | | | | Employment rate in % | | | | 65.4 | | | 70 | | | |
| Source: [14] | | | | | | | | | | IEF-STE 2011 |
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