2023-05-05-世界银行-批发电力市场设计_原理与选择（英）_92页_3mb

Wholesale Electricity Market Design Summary

This summary outlines the key findings and principles from the report "Wholesale Electricity Market Design: Rationale and Choices." It examines the rationale for market reforms, essential elements of market structure, electricity market design considerations, and the process of undertaking reforms.

The report emphasizes that while electricity markets promise efficiency, transparency, and flexibility, successful implementation requires careful design tailored to the specific context, especially in developing countries. Key drivers for market reform include addressing inefficiencies, improving operational performance, and enabling the integration of renewable energy sources.

Major elements of market structure include vertical unbundling to separate generation from transmission and distribution, ensuring a competitive playing field. Legacy issues such as stranded costs and contracts need to be addressed, along with natural monopolies (transmission, distribution, system operation). Open access allows nondiscriminatory grid use, which is critically important.

Electricity market operation design focuses on real-time spot markets for efficient dispatch, various market types (bid-based or cost-based), and mechanisms to ensure sufficient capacity, such as energy-only markets, capacity markets, and verified long-term contracts. The market should also provide appropriate remuneration for ancillary services to maintain system reliability.

Market players need to guard against abuse of market power through policies such as ensuring four sufficiently capable competitors, promoting hedges and risk management, and improving transmission infrastructure. New technologies will play a significant role, especially with the accelerating transformation toward decarbonization and variable renewable energy (VRE) adoption. Carbon pricing or emissions control mechanisms are essential instruments to address climate change, though they must be carefully integrated into market designs.

Market reform is a complex process requiring a step-by-step approach. The first step should include assessing prerequisites for reform, such as political support, institutional capacity, and physical readiness. The second step involves choosing a market design through a detailed analysis and stakeholder consultation, typically resulting in specific market rules. The third step requires effective market commencement, including tests and pilots to refine mechanisms before full implementation.

Success requires proper timing, adequate institutions, and robust governance arrangements covering market monitoring, dispute resolution, and regulatory oversight. Market reforms must align with the overall energy strategy, considering factors like investment certainty and the potential integration into regional power pools or electricity markets.