2025-05-06-未来能源研究所-充电_美国公用事业规模的电力储存状况（英）_38页_2mb

Summary of "Charging Up: The State of Utility-Scale Electricity Storage in the United States"

Utility-scale electricity storage is vital for grid reliability, especially with rising renewable energy penetration. This report examines key factors driving or hindering its deployment across the US, including economic, policy, and market elements. Storage serves roles in energy arbitrage, providing low-cost renewable availability and grid services like frequency regulation. In high-renewables scenarios, its value increases due to price volatility. Policies such as renewable portfolio standards and carbon caps are crucial for deployment, alongside incentives from the Inflation Reduction Act. Market rules, including interconnection processes and ancillary service compensation, often limit revenue opportunities and investment. Regional analysis shows growth in California and Texas, driven by variable resources and favorable market designs. However, challenges in market structures, siting, and long-duration storage persist, necessitating reforms for optimal integration.

Conclusions highlight that storage is essential for grid stability and renewable transition. Economic viability, policies, and market rules must align to encourage balanced deployment, addressing barriers like overprovision or underincentivization, particularly for long-duration storage. Further research is needed to refine market rules and policy blends.