欧洲储能协会：欧洲2030及2050储能目标研究报告（EN）_36页_8mb

Summary of Energy Storage Targets 2030 and 2050

Core Content

This document outlines the critical role of energy storage in supporting Europe's transition to a renewable energy system and achieving climate neutrality by 2050. It emphasizes the need for setting clear energy storage targets at the EU level to ensure system reliability, reduce fossil fuel dependence, and enhance energy independence.

Main Views and Key Information

1. Importance of Energy Storage

• System Flexibility and Energy Shifting: Energy storage is essential for system flexibility and energy shifting, especially in the context of high renewable energy shares. It helps in covering energy shortfalls during low production periods and maximizes renewable utilization during high production periods.
• Reduction of Fossil Fuel Reliance: As the EU increases its renewable energy share, the need to replace fossil fuel backup with low-emission storage solutions becomes urgent to reduce reliance on gas and lower electricity prices.
• Minimizing Curtailment: Energy storage can prevent curtailment of renewable energy by storing excess electricity and releasing it when demand is high, thus reducing waste and increasing efficiency.

2. Energy Storage Requirements

• 2030 Targets: The EU is expected to require approximately 200 GW of energy storage power capacity by 2030, including existing storage capacity of about 60 GW. This includes both energy shifting and one-directional flexibility services.
• 2050 Targets: By 2050, the EU may need at least 600 GW of energy storage power capacity. This is based on Power-to-X-to-Power (energy shifting) solutions estimated at 435 GW and Power-to-X (one-directional) solutions at 165 GW.
• Deployment Rate: The required deployment rate of energy storage is at least 14 GW/year, significantly higher than the current 0.8 GW/year of battery storage deployment as reported by the IEA.

3. Underestimation of Energy Storage Needs

• Lack of Comprehensive Studies: Many studies fail to consider all energy storage technologies and their durations, leading to an underestimation of storage needs.
• Outdated Climate Targets: Studies often use outdated climate targets, which results in an underestimation of the flexibility required in the energy system.
• Technology Innovation: The rapidly evolving storage technology landscape means current cost projections and readiness data are not reflective of the future technologies available.
• Regional Variability: Energy storage needs vary significantly across EU member states, depending on the share of variable renewables in their generation mix. Some countries may already require substantial storage by 2030.

4. Regional and Technological Considerations

• Power-to-X and Power-to-X-to-Power: These technologies are categorized as one-directional and bi-directional flexibility services respectively. Examples include Power-to-Gas (P2G), Power-to-Heat (P2H), and Vehicle-to-Grid (V2G).
• Seasonal Storage: As variable renewables increase, seasonal storage becomes more critical, especially beyond 80% share of variable renewables in the generation mix.
• Grid Integration: Energy storage can help maximize the use of existing grid infrastructure, making it a vital component in the energy transition.

5. Policy and Market Implications

• Setting EU Targets: Establishing EU-level energy storage targets is crucial for driving investment, reducing costs, and accelerating deployment, similar to the approach taken with wind and solar.
• National Examples: Countries like Spain and California have already set energy storage targets, demonstrating the importance of such measures in supporting renewable integration and energy security.
• Future Policy and Regulation: Clear policy signals and regulatory frameworks are necessary to guide the storage industry and ensure it can meet the growing demand for flexibility and energy shifting.

Conclusion

The EU must set ambitious and binding energy storage targets to support its climate and renewable energy goals. These targets should be based on updated climate policies, comprehensive technology assessments, and regional needs. The current rate of storage deployment is insufficient, and without a significant increase in storage capacity, the EU risks being locked into fossil fuels and facing high electricity prices. Energy storage is not only a technical necessity but also a strategic and economic imperative for the future of the European energy system.