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"Neuhoff, Karsten"
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A Comparison of Electricity Market Designs in Networks
In Europe, two market designs are discussed for electricity trade and transmission. We argue that their performance in the presence of market power can be represented by two models from the literature. In contrast to examples for simple two-node networks, we show that in more complex networks a general ranking of both designs is not possible. Hence, computational models are required to evaluate the designs for realistic parameter assumptions. We extend existing formulations of both models to represent them as equilibrium problems with equilibrium constraints (EPEC) with equivalent representation of demand, fringe generation, and strategic generators. In a numerical simulation for the Northwestern European network, the integrated market design performs better. This difference illustrates the impact of small assumptions on the outcome of strategic models.
Journal Article
Renewable Energy and Equilibrium Hedging in Electricity Forward Markets
We study the impact of renewable energy on forward markets for electricity. Previous literature shows that forward prices are determined by time-varying demand and volatile spot prices. We introduce supply risk from renewable generation and find that stochastic renewable output mitigates income risk for generating firms, in particular when negative shocks to renewable output have large positive price impact. This risk off-setting effect leads to reduced hedging needs for generating companies and increases the forward premium. Using five years of high-frequency spot and futures market data, we confirm our model empirically. In sum, our findings suggest that intermittent renewable generation changes firm’s hedging incentives and has significant impact on forward prices for electricity.
JEL Classification: G11, G13, Q42
Journal Article
Financing Power
Power systems with increasing shares of wind and solar power generation have higher capital costs and lower operational costs than power systems based on fossil fuels. This increases the importance of the financing costs for total system cost. We quantify how renewable energy support policies can affect the financing costs by addressing regulatory risk and facilitating hedging. We use interview data on wind power financing costs from the EU and model how long-term contracts signed between project developers and energy suppliers impact financing costs. Regression analysis of investors’ financing costs and an analytical model of off-takers financing costs reveal that between the support policies, the costs of renewable energy deployment differ by around 30 percent, but can be significantly lower or higher, depending on the financial situation of energy suppliers.
Journal Article
Climate Policy after Copenhagen
At the UN Climate Negotiations in Copenhagen, 117 heads of state concluded that low-carbon development is necessary in order to combat climate change. However, they also understood that transition to a low-carbon economy requires the implementation of a portfolio of policies and programs - a challenging endeavour for any nation. This book addresses the need for information about factors impacting climate policy implementation, using as a case study one effort that is at the heart of attempts to create a low-carbon future: the European Emission Trading Scheme. It explores problems surrounding the implementation of the ETS, including the role of vested interests, the impact of design details and opportunities to attract long-term investments. It also shows how international climate cooperation can be designed to support the domestic implementation of low-carbon policies. This timely analysis of carbon pricing contains important lessons for all those concerned with the development of post-Copenhagen climate policy.
eBook
International support for domestic climate policies in developing countries
This volume examines how international cooperation can support implementation of domestic climate policies in developing countries. Six case studies explore the domestic drivers and barriers for policies with climate (co-)benefits in developing countries and show that international support can help to overcome these constraints by providing additional resources for incremental policy costs, technical assistance, and technology cooperation to build local capacity. Cooperation can also contribute to robust institutional frameworks and government policies that facilitate increased private sector investment, which supports low-carbon production and consumption. Any such cooperation has to be anchored in domestic initiatives - building on stakeholder support for policies with climate co-benefits. The studies also examines the important role played by policy indicators in successful policy implementation and how they can be linked to international incentive schemes.
The contributions in this volume examine cases from institutional and national perspectives from across the globe and find that, with common but differentiated responsibility for climate policy, developed countries have to contribute more towards technological and financial support in developing countries.
eBook
Bridges over troubled waters: Climate clubs, alliances, and partnerships as safeguards for effective international cooperation?
AbstractDriven by the motivation to raise the ambition level of climate action and to foster the transformation of economies, current climate policy discourse revolves around ways to improve cooperation between industrialized countries and emerging economies. We identify three broad types of initiatives—multilateral-cross sectoral, multilateral, sector specific, and climate and development partnerships—and assess them for potentials to deliver on such objectives with a specific focus on industry transformation. This paper provides new reflections on the institutionalization of international climate cooperation. Specifically, we demonstrate the urgent need to understand what values, norms, and underlying principles drive a cooperation in order to draw conclusions on how to best institutionalize climate cooperation rules.in-use. We conclude that an overemphasis on a CO2 price and on carbon border adjustment mechanisms, such as in the context of the initial proposals for a cross-sectoral climate club envisaged by G7 countries, would have contributed to a further polarization of the international landscape. We find, however, that multilateral, sectoral alliances play an important role for international goal setting and the convergence on standards, metrics, and benchmarks. Based on our analysis, we recommend strengthening multilateral, sector-specific partnerships. These can be focused on sectoral topics as a connector between countries, allowing for a strategically-aligned, increasingly deep collaboration. However, for any initiative to succeed, processes of international institutionalization will be needed in order to agree on rules for implementation based on aligned interests and equity. Building such institutions may well serve as a steppingstone toward more durable cooperation structures between developed economies and emerging economies. In sum, no existing cooperation approach is perfect, but three actions may be taken to move the agenda forward: First, reform of the carbon border adjustment mechanism and removing it from the center of climate club discussions, second, coupling sectoral alliances with climate and development partnerships, and three, designing them in a way to address fears of political influence seeking and superimposition of global north agendas on the global south.
Journal Article
China’s emissions trading takes steps towards big ambitions
China recently announced its national emissions trading scheme, advancing market-based approaches to cutting greenhouse gas emissions. Its evolution over coming years will determine whether it becomes an effective part of China’s portfolio of climate policies.
Journal Article