Engie EPS Unveils Hydrogen-Based Energy Storage System in Greece Updated On Wed, Oct 21st, 2020 by Saurenergy Engie EPS has unveiled its hydrogen-based energy storage system built with its proprietary technology in Greece. Engie EPS, has announced the unveiling of the hydrogen-based energy storage system built with its proprietary technology in Agkistro, Greece. The Agkistro site, presented in October in an event attended by numerous representatives of Greek authorities and of the […] Read more