(3 GPP) and on the regional level, the Korean Agency for Technology
and Standards (KATS), and Joint Information Systems
Committee (JISC) are the recognized standard development
organizations that are worth to mention. In addition, the CEN,
CENELEC, and ETSI has formed a Joint working group for
smart grid standardization efforts and aim to achieve the European
Commission’s policy objectives regarding the smart grid
[37]. Their efforts focus on smart metering functionalities and
communication interfaces for electric, water and heat sectors
in Europe. An overview of smart grid standards are given in
Table II. In the following, the details of these standards are
explained.