Certify electricity generated 100 % from renewable energy sources (01) or 100 % water power (02). Requirements for EE01 are: electricity generated 100 % from renewable energy sources; at least 25 % has to be produced in new plants; the energy sources should be identified and clearly indicated. Requirements for EE02 are: electricity generated 100 % from water plants; generation and consumption at the same time; expansion of capacity is optional. These standards set metrics for a wide variety of criteria in some or all of the following categories: materials; energy; manufacturing and operations; health and environment; product performance and use; and product stewardship and innovation. The TUV SUD octagon displayed in TUV SUD Product Service quality marks represents your competitive advantage, serving consumers as a guide and aid to purchasing decisions.