ThinkTankWeekly

Beyond Russian Gas: Trade-Offs in EU Liquefied Natural Gas Diversification

CSIS | 2026-05-18 | energy

Topics: Climate, Europe, Middle East, NATO, Russia, Trade, Ukraine, United States, Energy

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English Summary

The report argues that while the EU successfully transitioned away from Russian gas, its new LNG strategy risks replacing one dependency with another, creating new concentration risks. Utilizing a dual-risk framework (price volatility, geopolitical exposure, and supplier concentration), the analysis demonstrates that reliance on a single supplier or contract type is inherently unstable. Therefore, the core policy recommendation is that the EU must adopt a resilient energy portfolio that balances diversified long-term contracts with retained spot-market flexibility. Ultimately, long-term security requires mitigating geopolitical risks and actively managing critical chokepoint vulnerabilities, rather than simply substituting one major supplier for another.

中文摘要

本報告論述,儘管歐盟已成功擺脫對俄羅斯天然氣的依賴,但其新的液化天然氣(LNG)戰略卻有取代一種依賴結構,轉而形成另一種依賴結構的風險,從而產生新的集中風險。透過運用一個雙重風險框架(涵蓋價格波動性、地緣政治曝險及供應商集中度),本分析證明了過度依賴單一供應商或單一合約類型本身就是不穩定的。因此,核心政策建議是,歐盟必須採納一個具備韌性的能源組合,在多元化的長期合約與保留現貨市場的靈活性之間取得平衡。最終,長期的能源安全要求的是減緩地緣政治風險並主動管理關鍵瓶頸的脆弱性,而非僅僅是將一個主要供應商替換為另一個主要供應商。

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