Where is my data stored? Your data is safely stored in the Viessmann cloud. Some of the user data is also stored locally on the device, but only in time-limited and aggregated form. Energy Management Related articles Where is the Viessmann Energy Management system installed? Should I manually set the new time if the time changed from summer to winter time and vice versa? Can I export my installation statistics to Excel? Consumption Forecast: what is this? Does the Viessmann Energy Management system work without using the ViCare app? Comments 0 comments Article is closed for comments.