Central London Plan Update 2017 - UK Power Networks
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Central London
Plan Update
2017
LONDON PLAN UPDATE 2017 1
Background
to the Central
Investing
in network
resilience
An update on
Welcome
Improving the investments
London Plan
operational we are making
to reduce the London I am delighted to present the first
response
Introduction
to the Central Increasing
number of
power-cuts.
Highlights annual summary of our progress
London network
and our plans
capacity Building
dedicated teams
News of the work
we are doing with
against our Central London strategy.
for it over the to provide a 24/7 PAGE 10
Our plans to stakeholders to
coming years. increase the response in the support London’s
capacity of heart of London. priorities. The Central London area has a To reflect this, our business plan
PAGE 4 the network significant commercial and included proposals for four large
to support the PAGE 8 political impact on the UK substations that will increase
growth of the PAGE 12
economy. Customers served by capacity in high-growth areas
capital city.
UK Power Networks include the by a total of 300MVA, which is
many internationally significant the equivalent of 150,000 new
PAGE 6 businesses in the City domestic electricity consumers.
of London, the West End and Additionally, it included proposals
Canary Wharf, and the many to both invest in the resilience of
strategic government and royal the network to reduce the number
sites around Parliament Square, of power-cuts and to provide an
I hope you will find this update
Whitehall and Green Park. enhanced 24-hour response to
interesting and informative.
minimise the impact when they
Delivering power to these We would welcome your feedback
do occur. This update details our
customers carries a great on it and how we can develop it
progress against these plans and
responsibility and for this reason, for future years.
the improvements that have been
we engaged with key London
seen to date.
stakeholders while delivering
our RIIO-ED1 business plan. This We have continued to engage
engagement made it clear there with our stakeholders since
were two main priorities for our developing our business plan
customers in London: and we recognise that London Basil Scarsella
has ambitious plans to become Chief Executive Officer
• Increase the capacity of the
a leading “low carbon” city and
network to support the growth
to improve air quality. UK Power
of London
Networks is helping to facilitate
• Improve and maintain the these plans by enabling both the
reliability of the network to connection of electric vehicles
minimise disruption caused and low carbon generation.
by power-cuts. For example, we worked with
Transport for London (TfL) and Go-
Ahead to establish the first fully
electric bus garage in London. This
went live in September 2016 and
we are working with TfL on their
plans to electrify more bus routes.
2 LONDON PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 3
N1
W12
Overview of the Central London Area by
BACKGROUND TO THE Postcode
Central W1
West End
Grafton Way
(Calcot Street)
WC1
WC2 EC4
EC1
EC2
EC3
E1
Wood Lane (TBC)
(White City)
SE1
SW1
Plan Stewart’s Road
(Vauxhall
Nine Elms)
The Central London • Provision of increased
capacity to meet future
Overview of the Central London Area by
Plan is comprised electricity demand;
Primary Substation
of three distinct • Improved operational SW8
response; and
elements. These are:
• Improved resilience of the
Shorts Hearn St Finsbury
interconnected network. Gardens Mkt
Aberdeen Pl Whiston
Longford Grafton Way
The Central London Area (CLA) The CLA is comprised of St (Calcot Street)
City Road
Rd
contains the political, financial commissioned assets in substations
Fisher
and entertainment districts of with a post code of, EC1, EC2, EC3, Street Back Hill
Beach
one of the greatest cities in the EC4, E1*, SE1*, SW1, W1, WC1 Hyde Park A
Carnaby St B Ba
Devonshire
Sq.
Simpsons Rd
Street Bb Glaucus
world. It is the economic engine and WC2. The following figures Duke Knswy
CRd
Ptnstr
St
of the UK and a number of show the Central London network Hyde Park B
St
Leicester Bankside
blue chip companies have their area in terms of both postcode Woodlane
Bloomfield
Place
d
West End
Sq Osborn St
(White City)
headquarters in the CLA. and primary substation. (TBC) Bankside
Westferry
Circus
South Bank
The CLA comprises approximately The CLA is unique in the sense
160,000 electricity consumers in that it is predominantly an Ebury Bridge
the heart of London. The following interconnected network. In
diagrams show the geographic Central London the concept of
area covered by CLA and an LV interconnected networks was
Moreton St
overview of the main substations first developed in the 1930s to
in the wider London network deal with increasing demand.
supplying these customers.
Stewart’s Road
(Vauxhall
Nine Elms)
Location of new substation to increase
capacity as detailed on page 6
4 LONDON PLAN UPDATE 2017 * Only part of the E1 and SE1 postcodes are part of the Central London Area LONDON PLAN UPDATE 2017 5
Supporting growth BY INCREASING CAPACITY
As London continues to develop and
Calshot Street Vauxhall Nine Elms White City West End
grow, we are delivering the electrical (now Grafton Way) Battersea (VNEB) (Wood Lane)
infrastructure to support this progress.
In our RIIO-ED1 business plan we included proposals for four 86MVA Mar 2018 £8.2m 86MVA Dec 2019 £28.7m 43MVA Dec 2018 12.1m 86MVA 2022 £36.5m
major schemes in the capital to provide a combined 300MVA
of additional capacity. This is enough to power the equivalent
BACKGROUND: BACKGROUND: BACKGROUND: BACKGROUND:
of 150,000 average homes. Along with many other schemes
to increase capacity, these projects are providing the The establishment of Calshot Street The VNEB area is a Greater London The London Borough of London’s West End encompasses
infrastructure for many of the key developments which is part of the City Road – City of Authority (GLA) designated opportunity Hammersmith and Fulham and the entertainment districts of
ensure London continues to be a major economic centre London Regional Development Plan. area located along the south bank the GLA have agreed a planning Leicester Square and Covent Garden
The purpose of the project is to of the Thames between Vauxhall framework for a White City as well as the shopping districts
and culturally vibrant capital city. Below is an update on
build a new substation in the Kings and Chelsea Bridges. The planning Development Area, proposing mixed centred on Oxford Street, Regent
the progress of each of these four major schemes. Cross area providing an increase in framework contained proposals for: office, residential and community Street and Bond Street. It is one
capacity of 86 MVA. This increase use. The 43-acre site is close to of the most highly sensitive and
• 16,000 new homes;
in capacity will allow load to be the BBC Television Centre and economically important areas of
PROGRESS UPDATE transferred from the adjacent Back •A
n extension to the Westfield Shopping Centre. The London. Three substations which
Hill substation to help keep load Northern Line; and forecast increase in demand could supply the West End were predicted
within the capacity of that site. •R
egeneration of Battersea not be accommodated at the Bulwer to exceed their firm capacity in
Power station. Street substation and hence a new the coming years due to demand
Capacity Forecast Forecast PROGRESS UPDATE: IN DELIVERY substation in the White City area growth within the West End area.
proposals completion cost To facilitate this development UK
was proposed. This substation will To alleviate this issue, a new
Due to the substation being Power Networks proposed to build
provide an increase in capacity substation will be constructed
constructed on third party land a new substation in the VNEB area
of 43 MVA. which will provide an increase
In line with regulatory reporting guidelines, the forecast costs shown here are only the direct costs of in close proximity to residential providing an increase in capacity
in capacity of 86 MVA.
delivering the project. They do not include indirect costs such as administration and project planning. and commercial premises, careful of 86 MVA.
consideration had to be given to PROGRESS UPDATE: IN DELIVERY
the impact of the construction To date, a site has been secured PROGRESS UPDATE: IN PLANNING
PROGRESS UPDATE: IN DELIVERY
and final substation building on for the construction of the substation This project requires a new tunnel
This project involves both the
the surrounding community. Once in Wood Lane, under the A40 to be built to allow installation
construction of a new substation and
all agreements were in place, flyover. The design of the substation of the incoming cables and
a tunnel to route the power cables
construction started in May 2016. is substantially complete and construction of the substation itself.
to the site. The existing building
All equipment required for the contractors have been engaged to This creates an interdependency
on the site has been modified to
substation has been ordered and start construction in March 2017. between the route of the tunnel
provide sound attenuation allowing
despite progress to date being more The route for the incoming 132kV and the location of the substation.
the substation construction to begin.
complex than originally anticipated, cables has been assessed and An assessment of possible tunnel
An access shaft has been completed
completion of the substation is been deemed viable. The scope of routes has been carried out
to allow the tunnel boring machine
forecast for March 2018 in line installation and capacity added to with two possible options being
to be lowered and tunnel boring to
with the requirements of nearby the network remains unchanged. identified and a land search has
begin. The site will be energised
developments. Due to space limitations, been commissioned to find a
in a phased manner to reflect
the original plan to allow for suitable site for the construction
requirements of large developments
the future installation of a third of the new substation.
in the area and is scheduled for
transformer, were one required,
completion by December 2019.
is no longer feasible.
6 LONDON PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 7
Operational Response
IMPROVING
48 LPN Network Overall
A reliable power supply is vital for 50
42
40
a capital city which operates on a 31
34
30
30
CI/CML
24-hour basis. 20
28
24
28
25
24
19
22 21
To reflect this our RIIO-ED1 business plan proposed the establishment of 19
an operational depot providing response to any issues on the network by 10
teams based centrally 24 hours a day, 7 days a week. This complements
0
the existing depot serving the Central London area and has improved 2009/10 2010/11 2011/12 2012/13 2013/14 2014/15 2015/16
response times dramatically, by halving the time is takes to arrive at
Customer Minutes lost Customer Interruptions
the location of LV network faults. Forming this dedicated team for Central
London has also led to an enhanced inspection routine for the key assets As we have continued to focus on improving reliability across our networks, power-cuts
involved in distributing electricity to customers. have continued to decrease. The chart above shows how both the number of power-cuts
and the length of time customers are without supply has fallen across London, with the
average length of power cuts reducing by more than 50% since 2009/10.
Shorts Gardens: Inspecting every Inspecting substations Improvements in Central London CIs and CMLs in 2015/16
INCLUDING Kingsway event
providing a 24-hour linkbox every year annually
2014/15 2015/16 Improvement Improvement %
response
We have moved from a 4-year The current approach of inspecting CI 1.61 1.60 0.01 0.1%
inspection cycle to inspecting secondary substations on a 2.4 CML 2.62 2.51 0.11 4.1%
We have established an additional the 3,456 linkboxes in Central year cycle has previously been
dedicated depot for the Central London on an annual basis. In delivered by a contractor on behalf
London Area which is staffed addition to this, we have fitted of UK Power Networks. As we move Improvements in Central London CIs and CMLs in 2015/16
with teams ready to respond to a fire suppression blanket to towards an annual inspection cycle EXCLUDING Kingsway event
power-cuts 24 /7. This led to a each of these linkboxes which we are building internal teams to
54% reduction in the time it takes reduces the impact of any faults carry out this work more efficiently. 2014/15 2015/16 (May Improvement Improvement %
to reach the site of LV power-cuts, that occur. This has led to a (May to March) to March)
which leads to a reduction in the reduction in disruptive failures
time customers are without power. CI 1.53 1.33 0.20 13.2%
with none in Central London
in 2016. CML 2.46 1.40 1.06 43.1%
“We have more “We are building These values are presented as the contribution of Central London to the overall London CI/CML values.
These changes we proposed are expected to contribute to an improvement in Central
than halved the “Reduction of teams to increase London’s network performance of 0.2 Customer Interruptions* (CI) and 0.3 Customer
Minutes Lost** (CML). This represents an improvement of about 30% in the average
time it takes disruptive failures inspections of the time that customers are without supply. These performance improvements have been
embedded by Ofgem within the overall RIIO-ED1 CI and CML targets for the whole
to arrive at the of linkboxes in equipment that London Power Networks (LPN) network.
site of LV power- Central London delivers power As can be seen from the table above, due to a significant event in the Kingsway area
in 2015/16, improvements in performance were not as good as anticipated. However,
underlying performance improvement was ahead of target with a 43% reduction in CML.
cuts since 2014.” to zero in 2016.” to London.” *Customer Interruptions (CI) are the number of customers interrupted for 3 minutes or longer per 100 customers on our network.
**Customer Minutes Lost (CML) are the average time customers are without power, for power cuts lasting 3 minutes or longer.
8 LONDON PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 9
INVESTING IN
Network Resilience
The network design of the CLA has resulted in a relatively
Increasing resilience of interconnected groups
high resilience when compared with other UK cities, but does
The Central London network is unique in To upgrade these networks, we have
increase the complexity of operating the network. Building on the UK in that it operates Low Voltage
(LV) interconnected networks, which
worked with our suppliers to develop
the necessary equipment that will suit
this high level of reliability, we are investing in state-of-the-art supply power to “groups” of demand. The
advantage of this design is that it better
the confined constraints presented in
the London network area. Once this new
control systems and new network designs to further improve supports large amounts of concentrated
demand and is able to continue to provide
equipment has been thoroughly tested,
conversion of a group in the Leicester
the performance of the network. power to customers if a fault occurs. The
design of these networks has evolved over
Square area will be piloted. The experience
gained from this initial pilot conversion
time to provide better safety and reduce will be used to inform the conversion of
the complexity of operation. the remaining three groups identified for
HV Unit Protection, as presented in our
To further improve the safety of these
UK Power Networks proposed to improve network Self-healing networks RIIO-ED1 business plan. Enhanced maintenance of
networks and simplify their operation,
reliability and resilience over the ED1 period by: UK Power Networks is converting some
The London network historically has a large
interconnected networks
• Increased automation on the HV network; of these groups to a new design. This
amount of remote control capability due new design, using HV Unit Protection,
• The conversion of four interconnected loads There are five teams in the Central
to a programme that started in the late will reduce the complexity of operating
groups to unit protection; and London area dedicated to performing
1990s to install remote control capable the LV network which will both improve
“network sweeps” in interconnected
• Enhanced maintenance of the interconnected secondary switchgear. safety and allow supplies to be restored
areas to identify any masked
networks. more quickly.
Since commencing the Central London issues on the LV network and pro-
Strategy we have implemented an actively fix any identified. This has
Automatic Power Restoration System contributed towards a reduction
(APRS) which utilises this remote control of 38% in the average number of
capability. customers experiencing a loss of
supply when an HV fault occurs
The system will automatically take account
between 2015 and 2016.
of network status following a fault to
determine which switching operations
will restore power to the largest amount
of customers. These switching operations
are then completed automatically by
the system ensuring the impact of
outages is minimised for customers.
10 LONDON
LONDON PLAN UPDATE 2017
PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 11
London
Highlights We understand the priorities of our stakeholders
Powering the transition to electric vehicles
Electric Vehicles will be one
of the biggest contributors to
• Working with Transport for
London (TfL) and the bus
reaching our carbon reduction operating companies to
develop over time and we continue to engage with targets and help improve the understand their requirements
them to make sure we are supporting them in the right air quality in major cities such for the electrification of four
as London. specific bus routes.
way. The updates below are some examples of exciting
As the organisation responsible for • Producing an online guide to
developments that will help the country achieve a making sure the electricity network help London Councils and other
reduction in carbon emissions and also improve the is ready to supply the power developers who are looking
Innovating for a needed to charge these vehicles, to install public charging points
air quality in the capital. we are aware that we have a for electric vehicles. Making
Low-Carbon future big role to play in facilitating the the process as transparent and
charging infrastructure required as simple as possible will support
UK Power Networks has been more electric vehicles are being the installation of the charging
awarded funding for a cutting driven and recharged in the capital. points needed to keep electric
Electric buses are breath of fresh air for London edge project that could pave the vehicles running
way for hundreds of megawatts For this reason, we have been
A fleet of environmentally Smart charging at Waterloo bus of low-carbon energy to enter proactively engaging with the key In addition to this we are working
friendly buses has taken to the garage offers us the opportunity London’s power supply. people involved in delivering this to understand how “smart
streets of London with help to explore how to bring electric infrastructure, for example: charging” of electric vehicles
from UK Power Networks. vehicles within closer reach of Across London, many major offices will help to keep the cost
more people. It also offers the and housing developments have of charging electric vehicles
51 single decker buses which their own Combined Heat and
potential to control when electric as low as possible.
run on electricity and charge Power (CHP) units, which capture
vehicles receive their charge for
up at Waterloo bus garage in the heat created as a by-product
the customers’ benefit as well as
central London are now on of electricity generation and
the electricity system as a whole.
London’s streets. circulate it round a building instead
Less carbon in the air is good news of having a separate boiler.
We contributed to the high-tech,
for everybody’s health, while
low carbon joint project by laying The project, called Powerful-
the chance to explore how timed
400 metres of power cable under CB, will use advanced power
connections can help make electric
the ground and installing new electronics technology to develop
vehicles more affordable for all,
equipment to manage the power a new type of circuit breaker that
is an exciting prospect.
supply at the site in Cornwall Road. is 20 times faster than existing
ones. This high speed operation
provides extra protection for the
electricity network, allowing many
more highly efficient CHP units to
connect before the network needs
to be upgraded.
The company has been awarded
£6 million of funding from the
Network Innovation Competition,
administered by Ofgem, to develop
this technology and demonstrate
the benefits it will provide.
12 LONDON PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 13
Key
Contacts
General enquiries Connections services
0800 029 4285 0800 029 4280
Emergencies or power cuts Media enquiries
(24 hours a day)
0330 159 1712
New 3 digit number: 105
Or 0800 31 63 105
Please note this number is free to call
from mobile phones
Text message updates A full list of our contact details can be
during a power cut found at:
To keep you updated if you have www.ukpowernetworks.co.uk
a power cut in your area, text:
‘Power’ followed by your ‘postcode’
(e.g. Power IP3 6QX)
to 80876
14 LONDON PLAN UPDATE 2017 LONDON PLAN UPDATE 2017 15
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