Journal
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
Volume 136, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2020.110397
Keywords
Renewable portfolio standards; Clean energy technology; Subsidies; Deregulation; Market structure; Energy policy
Funding
- European Union [703399]
- European Research Council under the European Communitys Programme Ideas [336703]
- Marie Curie Actions (MSCA) [703399] Funding Source: Marie Curie Actions (MSCA)
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A Renewable Portfolio Standard (RPS) is a policy instrument aimed at increasing the production of clean energy technologies by mandating a minimum market share, with its cost-effectiveness depending on the market structure and level of competition. Research shows that deregulated markets minimize subsidy requirements for clean energy technologies with lower penetration rates, while regulated markets do so for higher market share mandates. Identifying a critical market share can help policymakers design more cost-effective RPS mandates in both regulated and deregulated markets.
A renewable portfolio standard (RPS) is a policy instrument designed to increase production of clean energy technologies by mandating a minimum market share for these technologies. However, the cost-effectiveness of RPS in achieving its goal depends on the market structure, which impacts the level of competition in the market. Here, we analyze the impact of market structure on RPS effectiveness by calculating the amount of subsidies needed to achieve RPS mandates. We identify a critical market share of renewable energy that can be achieved by providing an equal amount of subsidy in both regulated and deregulated markets. We find wide variation in the preferred market structure for state-level RPS policies across the United States. Overall, deregulated markets minimize subsidy requirements for clean energy technologies with lower penetration rates. In contrast, regulated markets minimize subsidy requirements for higher market share mandates. The critical market share can help policymakers design more cost-effective RPS mandates in both regulated and deregulated markets.
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