Filter the results Item type Select All/None Page EasyForm Image Plone Site Collection Video File Folder News Item Event New items since Yesterday Last week Last month Ever Search results Subscribe to an always-updated RSS feed. 2 items matching your search terms. Sort by relevance date (newest first) alphabetically Energy Storage Energy storage refers to technologies capable of storing electricity generated at one time for later use. These technologies can store energy in a variety of ... Located in Topics & Resources Xcel CO Model PPA Semi-Dispatchable Resources 2017 Xcel Energy's model PPA for 'semi-dispatchable' resources, which are defined as intermittent generators combined with some form of technologies which mitigates ... Located in Topics & Resources / Demand Response and Storage / Demand Response and Storage Folder