How Grid Integration Costs Impact the Optimal R&D Portfolio into Electricity Supply Technologies in the Face of Climate Change
Sustainable energy technologies and assessments(2014)
摘要
Many low carbon energy technologies are non-dispatchable, which imposes additional costs over and above the cost of the base technology when these technologies are connected to the grid. This paper examines the impact of assumptions about these grid integration costs on the optimal Research and Development (R&D) portfolio for minimizing the cost of climate change. This paper's goal is not an in-depth analysis of the drivers of grid integration costs, but rather to place bounds on the size of the problem, and to determine under what circumstances integration costs are relevant to policy design. This research finds that in the absence of a budget constraint the optimal R&D portfolio is affected by assumptions about grid integration costs, but given a budget constraint, assumptions about grid integration costs have little impact on the composition of the optimal R&D portfolio. This finding implies that the importance of getting grid integration costs right depends on the specific question that is being asked - how to allocate a given budget, or what the size of the budget should be. (C) 2014 Elsevier Ltd. All rights reserved.
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关键词
Climate change policies,Integrated assessment,Electricity grid,Technology policy
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