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ID:
180858
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| Summary/Abstract |
Renewable portfolio standards (RPS) is an institutional change from Feed-in Tariff (FIT) to government policy and market mechanism. Is it conducive to improve China's social welfare? Given this problem, this paper constructs the social welfare function under the FIT policy and RPS system respectively based on consumer heterogeneity and simulates the social welfare of China under the two schemes on the basis of combining the real economic situation of China. The results show that: (1) Based on China's real economic situation, the implementation of RPS has achieved Pareto improvement and improves China's social welfare. (2) Under the RPS, compared with the actual situation of oligopoly in China's electricity market, competition can improve social welfare better. (3) The effective implementation of RPS depends on the quota level of the government's scientific design. As far as China's current real economic situation is concerned, when the quota is set in the interval (0,0.5], the social welfare under the RPS is always higher than that under the FIT. Therefore, to improve social welfare and promote low-carbon energy transition, China should effectively promote the implementation of RPS, a mandatory institutional change, and strengthen the system construction of RPS.
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| 2 |
ID:
176852
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| Summary/Abstract |
Renewable Portfolio Standards (RPS) is a mandatory institutional change to realize the low-carbon transformation of energy in China. The success of its implementation depends on the scientific system design. Based on the current situation of the green certificate transaction with the severe shortage of tradable green certificate (TGC) subscription on the demand side of RPS in China and the actual economic situation of the electricity market reform, this paper uses system dynamics to build the market transaction models of benchmark on-grid price and marketed on-grid price respectively, and analyze the incentive effect of the relevant system design of RPS on the demand side of TGC. The results show that: (1) Implementing the marketed on-grid price can effectively stimulate and induce coal power plants to conduct green certificate trading. Compared with benchmark on-grid price, under marketed on-grid price, coal power plants have higher demand for TGC, higher revenue and profit, and better incentive effect. (2)Setting a scientific and reasonable price cap of TGC can effectively stimulate coal power plants to increase the consumption demand of TGC. Therefore, scientific design of the demand-side incentive system of RPS and strengthening of the power market reform will help China to implement the RPS and promote the consumption and utilization of renewable energy.
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