IEEE Power & Energy Magazine - September/October 2020 - 64

T

THE MISSION OF DISTRIBUTION SYSTEM OPERators (DSOs) is to operate and manage distribution
networks in a safe and secure manner. DSOs are also
responsible for developing distribution grids to ensure
the long-term ability of a system to deliver high-quality services to users and other stakeholders of the electric power system. Traditionally, DSOs have carried
out their mission through adequate network operation and planning. However, the profound transformation of the energy system that is currently taking place worldwide creates new challenges for DSOs
to carry out their responsibilities in a cost-efficient
and secure manner. A significant number of renewable energy sources (RESs) are already connected,
and more are expected in the future. Furthermore, the
number of electric vehicles (EVs) and public charging stations will see a major increase in the coming
years. These trends are coupled with an exponential
technological evolution that enables decentralized
energy sources to be connected at lower voltages and,
at the same time, enables customers to interact with
the market in response to grid conditions.
The current scenario raises serious problems for
power grid stability. Examples of these problems,
which can be compensated for by flexibility sources
(i.e., batteries), include the integration of renewable energy resources, which is performed transparently according to grid conditions, and emergency

Evaluating
Distribution
System Operators
Digital Object Identifier 10.1109/MPE.2020.3000688
Date of current version: 19 July 2020

64

ieee power & energy magazine

1540-7977/20©2020IEEE

september/october 2020



IEEE Power & Energy Magazine - September/October 2020

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - September/October 2020

Contents
IEEE Power & Energy Magazine - September/October 2020 - Cover1
IEEE Power & Energy Magazine - September/October 2020 - Cover2
IEEE Power & Energy Magazine - September/October 2020 - Contents
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IEEE Power & Energy Magazine - September/October 2020 - Cover3
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