In just four months Helios – a fuzzy multi-billion euro plan to build 10GW of PV in Greece and flow the electricity to its creditor nations to the north – has gone from pipe dream to one of the central mechanisms by which the nation is intended to repair its economy and pay its debts.

Helios was explicitly mentioned in a communiqué issued by the Council yesterday, as EU leaders moved closer to a solution for the euro-zone sovereign debt crisis.

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