IEEE Power & Energy Magazine - May/June 2018 - 36

Great Britain Goes Without Coal Generation for 24 h
Friday, 21 April 2017, was the first 24-h period since the 1880s during which Great Britain went without coal-fired power stations.

Coal Generation (MW)

1,000
800
600
No Coal
Generation
for 24 h

400
200
0

6 12 18
Saturday 15

6 12 18
Sunday 16

6 12 18
Monday 17

6 12 18
Tuesday 18

6 12 18
6 12 18
Wednesday 19 Thursday 20

6 12 18
Friday 21
April 2017

figure 1. Coal generation in Great Britain 15-21 April 2017. (Used with permission from National Grid.)

increase in the energy flows of the existing system. achieving this requires a paradigm shift from the current low-intelligence/high-asset business models of distribution network
operators (dnos).
a sharing economy has delivered enhanced value in
many other market sectors such as transportation (e.g.,
uber, connecting passages with drivers) and tourism (e.g.,
airbnb, connecting guests with home providers). Sharing
economies make use of high speed information and communications technology (iCT) to match supply and demand
and increase the use of otherwise underutilized assets
through disruptive business models and horizontal peer-topeer (p2p) trading. The development of smart grids and the
widespread deployment of smart meters provide the essential infrastructure for the arrival of a sharing economy in the
energy sector.
We foresee that a sharing economy can be one of the critical enablers that will unlock capacity in the existing supply
network, deliver major financial value to renewable generation, and, ultimately, lead to affordable and clean energy for
current and future energy customers.
This article summarizes our views on the use of sharing energy systems in two major categories of underutilized assets.
✔ Customer flexibility: in this context, a sharing economy would promote the horizontal supply of energy
through p2p transactions (Figure 2), allowing distributed resources to be shared horizontally between energy producers and flexible users. it would also enable
customer flexibility to counteract the uncertainty of
supply at the local level, thus incentivizing customers to share responsibility for maintaining network
security, and reduce the sometimes expensive and ex36

ieee power & energy magazine

clusive central control of dnos when integrating lowcarbon technologies into the system.
✔ Network flexibility: a sharing economy in the context
of a distribution network would require a dno to give
up its exclusive rights to the network. The dno would
be obliged to lease spare or backup capacity to an independent party and the independent party granted a
license for system network access (Sna) and act as a
secondary dno. it would exploit the spare capacity
in the network to provide flexible network services that
would match flexible generation and demand. in this
manner, the proposed paradigm would use more existing physical network capacity and significantly reduce
the network access cost to create flexibility.
Big data and analytics are key enablers for introducing
a sharing economy into a monopoly system. They can access
and process large amounts of network, customer, market,
socioeconomic, demographic, and environmental data. They
can uncover hidden patterns, correlations, and insights into realtime information concerning the current state of energy producers, energy users, and the distribution system, as well as their
likely future states. They will form essential inputs for decisions
that can substantially increase operating efficiency and inform
the most efficient energy transfer between energy producers and
consumers, primary and secondary network operators, and network operators and network users.
in this article, we discuss the feasibility of exploiting the
flexibility in an energy system through the introduction of
two sharing schemes:
✔ shared energy and flexibility-p2p energy trading in
local energy markets
✔ shared network access (Sna)-new business models
in energy networks.
may/june 2018



Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - May/June 2018

Contents
IEEE Power & Energy Magazine - May/June 2018 - Cover1
IEEE Power & Energy Magazine - May/June 2018 - Cover2
IEEE Power & Energy Magazine - May/June 2018 - Contents
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IEEE Power & Energy Magazine - May/June 2018 - Cover3
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