![](https://news.europawire.eu/wp-content/uploads/2018/05/ACCIONA-Energia-received-the-first-ever-prototype-certificate-for-a-grid-scale-energy-storage-solution-by-DNV-GL-144x144.jpg)
Certification was carried out in line with the GRIDSTOR Recommended Practice CHICAGO, IL, USA, 14-May-2018 — /EuropaWire/ — ACCIONA Energia, the biggest global operator exclusively in renewable energies, today received the first ever prototype certificate for a grid-scale energy storage solution … Read the full press release