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| 1 |
ID:
118055
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| 2 |
ID:
101507
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| Publication |
2010.
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| Summary/Abstract |
This paper combines an existing projection of the development of electricity production with a technology-specific environmental assessment. The combination of these two approaches, which so far have only been performed separately, allows a discussion about environmental effects of carbon capture and storage (CCS) implementation strategies on a national level. The results identify the future role of lignite and hard coal in German power production. The implementation of CCS technology leads to a considerable loss of efficiency. Due to CCS, about 50 million t of lignite will be additionally required in 2030 in comparison to the reference case without CCS in 2010. Increasing demand, the replacement of old plants and the compensation of efficiency losses lead to highly ambitious expansion rates. In the case of CCS implementation, the global warming potential (GWP) can be reduced by up to 70%. However, other environmental impacts increase in part considerably. Compliance with national ceilings for NOx emissions can only be reached by compensation measures in other sectors. The results of the environmental assessment demonstrate the significant role of the coal composition, coal origin and the required transport. CO2 pipeline transport and CO2 storage make a fairly minor contribution to the overall environmental impact.
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| 3 |
ID:
125423
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| Publication |
2013.
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| Summary/Abstract |
The transformation of the energy supply in Germany (the "Energiewende") as described in the German Federal government's 'Energy Concept' ( Energiekonzept, 2010) is based on a political consensus about long-term targets for energy efficiency and renewable energies. The aim of this article is to present a consistent scenario for this transformation process reflecting the long-term implementation of renewable energies and the possible future structure of the German energy system as a whole. Structural and economic effects of this development are derived and discussed. It summarizes results of scenario analyses done by the department of Systems Analysis and Technology Assessment of the German Aerospace Center as part of a three-year research project for the German Federal Ministry for the Environment. The underlying study provides a detailed data base reflecting a long-term roadmap for the energy system transformation in Germany. The scenarios show that the policy targets are consistent and can be achieved, if appropriate policy measures are to be implemented. The economic analysis shows the amount of investments and the strong market dynamics required for new generation technologies but also the huge economic benefits that can result from this development path in terms of fuel cost savings and lower fuel imports.
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| 4 |
ID:
052292
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Oct 2004.
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| Summary/Abstract |
In February 2000, the German Bundestag established a Study Commission on "Sustainable Energy Supplies in View of Globalisation and Liberalisation" (cf. Final Report, 2002). The Commission's Final Report is a contribution made by Germany toward implementing the sustainable development objectives defined in 1992 at the World Summit in Rio de Janeiro (Agenda 21). Despite minority votes of several members of the Study Commission, the main outcomes of the Final Report are worthwhile discussing in other industrial countries. The Commission had been given the mandate to identify "robust, sustainable development paths" for the energy sector for the period up to 2050, which represent a scientific basis for the German parliament's further decision-making in the field of long-term energy policy. The applied backcasting approach showed that an ambitious climate-protection goal-reducing CO2 emissions by 80% by 2050-is technically and economically feasible. The main strategies and instruments for protecting the climate while ensuring a sustainable energy supply are summarised.
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