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ID:
112332
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2012.
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| Summary/Abstract |
In a recent article Mabee et al. [2012, Energy Policy 40 (1), 480-489] describe the German legislation to promote renewable electricity generation (Erneuerbare-Energien-Gesetz). The erroneous assumption that an annual degression of feed-in tariffs for any given power generating facility are stipulated in the law leads to a wrong calculation of net present values of the revenue stream. Reduction of feed-in tariff rates only holds for new additions. There is however one exception in offshore wind energy where the operator can opt for a degression. The implications of the newly introduced option are discussed in this comment.
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| 2 |
ID:
112894
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| Publication |
2012.
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| Summary/Abstract |
To meet ambitious global climate targets, mitigation effort in China and India is necessary. This paper presents an analysis of the scientific literature on how effort-sharing approaches affect emission allowances and abatement costs of China and India. We find that reductions for both China and India differ greatly in time, across- and within approaches and between concentration stabilisation targets. For China, allocated emission allowances in 2020 are substantially below baseline projections. Moreover, they may be below 2005 emission levels, particularly for low concentration targets (below 490 ppm CO2-eq). Effort-sharing approaches based on allocating reduction targets lead to relatively lower reductions for China than approaches that are based on allocating emission allowances. For 2050, emission allowances for China are 50-80% below 2005 levels for low concentration targets with minor differences between approaches. Still, mitigation costs of China (including emissions trading) remain mostly below global average. According to literature, Chinese emission allowances peak before 2025-2030 for low concentration targets. India's emission allowances show high increases compared to 2005 levels. If emission trading is allowed, financial revenues from selling credits might compensate mitigation costs in most approaches, even for low concentration targets. India's emission allowances peak around 2030-2040 for all concentration targets.
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