The_Assessor_Spring 2026 web - Flipbook - Page 26
JOURNAL
OPINION
Sally Bailey, Head of EVC Sales UK
at Vestel Mobility.
CAN THE UK GRID COPE
WITH THE
EV REVOLUTION?
From site power limits to dynamic energy distribution in DC Charging, the demand
that EV cars, trucks and buses are putting on the grid and the technology supporting
it is enormous – and expanding rapidly. Sally Bailey, Head of EVC Sales UK at Vestel
Mobility, the brand behind a signi昀椀cant part of Europe’s EV DC charging hardware
landscape, explains the challenges and rami昀椀cations of DC load balancing for energy
companies, charging operators, 昀氀eet operators and end users alike.
s DC electric vehicle
charging infrastructure
accelerates across
昀氀eets, forecourts and
public-sector estates,
one constraint quietly governs almost
every deployment decision. With a grid
network never designed to cope with
such high demand, available power is
becoming the major bottleneck to a
future of electri昀椀ed transportation.
A
Whether a site is limited by grid
connection capacity, transformer
headroom, or long-term energy
strategy, the challenge remains
the same. The answer is ever more
26
sophisticated load balancing to ensure
multiple high-power DC chargers
coexist on a single site without
overwhelming infrastructure, in昀氀ating
connection costs or compromising the
user experience. Yet, in DC charging
environments, load balancing is not a
simple act of sharing power evenly. It
is a dynamic, real-time control process
that determines how 昀椀nite electrical
capacity is allocated across multiple
charging sessions, constantly adapting
to vehicle demand, site constraints and
wider energy considerations.
At its most fundamental level, load
balancing ensures that the total
power drawn by a site never exceeds
a de昀椀ned limit. In DC systems, this
principle is applied in a far more
sophisticated way than with simple
clusters of standalone AC chargers.
Most modern DC installations use
shared power architectures, where a
central pool of power modules feeds
multiple charging dispensers. Rather
than each charger having a 昀椀xed
maximum output, available capacity
is distributed dynamically, responding
second by second to what vehicles
need.
JOURNAL
(To be continued in the next issue).
THE ASSESSORS JOURNAL | SPRING 2026 | www.iaea-online.org/news/the-assessor
