Windon Energy Group’s subsidiary Windon enters into a partnership agreement with the European battery manufacturer Sonnen. This is stated in a press release. Under the agreement, Windon becomes the exclusive Elite Partner to Sonnen in Sweden, which is the highest partner level within Sonnen’s partner program. Elite Partner status entails a deeper collaboration in which Windon serves as Sonnen’s primary partner in the Swedish market for the commercial development and sale of energy storage solutions.