Expertise. Last November, we decided to reduce Entech when the stock was very close to 10 Euros. It has now returned to around 7 Euros… Entech’s expertise focuses on storage solutions and conversion units which integrate the production of green hydrogen, solar panels and wind turbines. To preserve the stability of electricity networks, it is necessary to constantly adapt to consumer demand. However, renewable energies are by nature intermittent with the seasons, day/night variation, weather conditions, clouds, gusts, etc.