Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/334012 
Erscheinungsjahr: 
2025
Schriftenreihe/Nr.: 
Bruegel Policy Brief No. 30/2025
Verlag: 
Bruegel, Brussels
Zusammenfassung: 
A growing number of European governments believe that guaranteeing adequate energy supplies requires specific 'capacity mechanisms' to compensate power plants for their availability, not solely for electricity generation. Capacity mechanisms appear set to become a permanent feature of electricity market design across much of Europe. However, poorly coordinated national capacity mechanisms could undermine consumer gains from the expansion of interconnectors and years of progress in coupling Europe's power markets. A patchwork of capacity mechanisms developed according to national preferences would erode predictability for market participants, undermine investment efficiency and weaken competition. Improving the design of capacity mechanisms and, in particular, their cross-border coordination is thus important to prevent potential distortions from spilling over to other energy market segments, which would hinder scaling up of efficient solutions for secure, affordable and sustainable electricity supplies in Europe. Conversely, joint or closely coordinated capacity mechanisms at regional level that allow access to neighbours' portfolios will increase security of supply and save money for households and industry. Coordinating or joining up national capacity mechanisms is politically and technically challenging. EU countries prefer to retain sovereignty over their electricity mixes and adequacy levels, and national policymakers baulk at solutions perceived as sending consumers' money abroad or as financing domestic capacity that ends up addressing adequacy shortfalls elsewhere. Technically, coordinating capacity mechanism design and ensuring confidence in delivery of power across borders in times of scarcity is an important prerequisite. Harmonising the commitments traded in national capacity mechanisms or creating interfaces between very different mechanisms is complex. Overcoming such inefficiencies requires high-level political commitment to compromise, including on rules for energy sharing during scarcity, cost-sharing, cross-border compatibility of capacity mechanisms and credible institutions that can perform regional adequacy assessments and enforcement. Compromise must emerge through a political process that builds trust among stakeholders. The EU could make approval of national capacity mechanisms conditional on engagement in regional coordination. Done right, this could reduce the cost of securing adequate capacities, reinforce the internal electricity market and strengthen broader energy-policy coordination across borders.
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