All -    Under currency, shadow prices are not relevant. It is more of a price type enumeration rather than a currency

The purpose of EMIX is to expand participation in energy markets without pre-supposing participants, market structures or technology. Shadow prices may be useful for new produicts, or for microgrids, or even to set a baseline for strike prices. Particular market contexts should conform the information model for use in their own transactions. (See Energy Interop) No change.