Seeing that a bilateral agreement between the EU and Russia on the Nord Stream 2 pipeline project is highly unlikely to be concluded due to political considerations, this paper enquires which existing legal regime is applicable to the governing of this pipeline, especially in order to guarantee solidarity and security within the EU energy market through third-party access and unbundling requirements. The question is whether EU law in general (which the Council denies) or international law

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... s, and if the latter, which specific regime(s): the Energy Charter Treaty, wto law, the law of the sea, or a combination of regimes? Lastly, this paper also investigates whether and to what extent these international law regimes might guarantee the same solidarity and energy security standards as EU law.