Working Group 3 of the ESCO Metering Subgroup is one of five Working Groups composed of interested parties which are examining the issues surrounding the development of competitive metering identified in the NY State Public Service Commission’s Opinion No. 97-13, Opinion and Order Establishing Regulatory Policies for Competitive Metering (Opinion No. 97-13). Working Group 3 was charged with examining the technology-related issues affecting the development and implementation of an unbundled metering system. This document contains the final report of the Information Flow - Technology Working Group.