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Approaches to the Integration and Management
of Distributed Energy Resources
Euan Davidson
Head of Power Systems
Smarter Grid Solutions
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Introduction
♦ Challenges in Integrating Distributed Energy Resources
♦ Active Network Management
♦ Smarter Grid Solutions
♦ The story of Active Network Management in the UK
♦ … and beyond…
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Energiewende:• Changes to the generation mix…• Changes to demand…• Changes to infrastructure?
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Integrating Distributed Energy Resources
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TransmissionNetwork
DistributionNetwork
Technical constraints include:
♦ Voltage rise
♦ Thermal Constraints
♦ Voltage Step Change
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Integrating Distributed Energy Resources
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TransmissionNetwork
DistributionNetwork
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Active Network Management in the UK
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Active Network Management
Real-time control of DER, load
and the network to make best
use of distribution infrastructure
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Smarter Grid Solutions
♦ Successful smart grids manage large numbers of distributed energy resources. The traditional operator-in-the-loop approach won’t cut it anymore. To resolve the grid challenges of a low carbon world, we need real-time, autonomous, deterministic control technology. That’s why we exist.
♦ Founded in 2008
♦ 7,000 sqft HQ in Glasgow with development and test infrastructure
♦ Offices in New York and London
♦ Over 50 engineers dedicated to the development and deployment of Active Network Management
♦ Over 10 years in development in collaboration with utility customers and one of Europe’s leading power systems universities (University of Strathclyde)
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What do we do
ProductsConsultancy, Analysis,
Tools and Training
Systems Integration and
Support
Active Network
Management Systems
• Strategic Consultancy
• Power systems analysis
• ANM system design
• Online capacity analysis
tool
• Desktop capacity analysis
tool
• ANM planning and
operational training
• Services to support the
deployment of Active
Network Management
• Ongoing support and
maintenance of
operational systems
Project Lifecycle
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Active Network Management
The Orkney Smart Grid
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Orkney Isles
• 70 islands with 20 inhabited
• ~1000 sq km and 21,000 inhabitants
• Winter peak demand of 31 MW
• Summer peak demand of 6 MW
• Installed background generation of 46 MW
• Annual average temperature 80C
• Industry mainly agricultural, fishing and tourism
…… and whisky
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Mainland .
South
Ronaldsay
BurrayHoy
Flotta
Shapinsay
Stronsay
Sanday
Eday
Westray
Rousay
Core
Zone 3
Zone 4
Zone 2a
Zone 2b
Scorradale
Load8 MW
Flotta26
Load1 MW
Shapinsay33
Load1 MW
Sanday32
FG1.5 MW
Sigurd3
FG4.2 MW
Thorfinn4
FG5 MW
Burgar Hill Wind8
FG7 MW
Billia Croo10
FG4 MW
Eday9
FG2.7 MW
Bu Farm1
FG7.5 MW
Spurness7
NNFG2.5 MW
Spurness II14
NNFG4.5 MW
Hammars Hill15
NNFG0.9 MW
Rousay16
NNFG0.9 MW
Stronsay17
NNFG0.9 MW
Shapinsay18
NNFG1.8 MW
Gallowhill19
NNFG0.9 MW
Ore20
NNFG0.9 MW
Hatston21
NNFG0.9 MW
Thorkell22
NNFG0.9 MW
Eday Wind23
NNFG0.9 MW
Dounby12
Load12.5 MW
Flotta Elf27
FG10.5 MW
Flotta5
Load4 MW
St Mary34
Load1 MW
Lyness29
FG2 MW
Westfield11
Load0.1 MW
North Hoy30
Load2x24MW MW
Kirkwall28
Load8 MW
Burgar Hill24
NNFG2.3 MW
Burgar Hill Ren.13
Load1 MW
Westray37
Load1 MW
Stronsay36
Load2x8 MW
Stronmness35
FG1 MW
Northfield2
Load1 MW
Rousay31
Load1 MW
Eday25
FG15 MW
Kirkwall6
Zone 1a
Zone 1
Zone 2
Traditional Power flow
Transmission Network
Reverse Power Flow
Challenge
SSEPD seeking cost effective alternative to grid upgrades to provide connections for renewable generators: network already at ‘full capacity’. Technical challenge is multiple thermal overloads on various overhead and subsea cables.
Solution
Non-firm actively managed grid connections for distributed generation using ANM
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Orkney – The Customer Experience
Generator
ID
Size
(MW)
Production Factor
after Curtailment
1 0.9 37.06%
2 2.3 47.70%
4 4.5 45.35%
5 0.9 37.22%
6 0.9 40.08%
7 0.9 40.77%
9 0.9 31.76%
10 0.9 34.03%
Customer website to see live status of ANM system ANM generation export after curtailment
http://anm.ssepd.co.uk/
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Delivered Benefits
Operational since November 2009Connected 24 MW of new renewable generation capacity to 33 kV grid previously considered to be full
103% of electricity demand met by renewables in 2013
Estimated saving of at least £30million
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Since 2009:
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TimelineR
esearc
h p
roje
ct
com
mences
Fie
ld tria
l o
f a
uto
no
mo
us
genera
tion c
ontr
ol
Com
pany f
ounded
UK
’s fir
st
fully
opera
tional
sm
art
grid –
Ork
ney R
PZ
Key r
ole
in D
G f
or
security
of
supply
, dem
an
d r
espon
se
and E
V inte
gra
tion
Fir
st
pro
ject
in m
ain
lan
d
Eu
rop
e
Blo
om
be
rg N
ew
Ene
rgy
Fin
ance P
ioneer,
secure
d
majo
r new
pro
jects
with U
K
Pow
er
Netw
ork
s a
nd S
SE
PD
and fir
st
manor
pro
ject
with
SP
Energ
y N
etw
ork
s
Fir
st
pro
jects
with
Weste
rn
Pow
er
Dis
trib
ution a
nd
Nort
hern
Pow
erg
rid
First
pro
jects
with
Co
n
Edis
on, S
outh
ern
Com
pany
and N
ort
hern
Ire
land
Ele
ctr
icity.
Launch o
f N
YC
offic
e. F
irst
fram
ew
ork
contr
act
win
for
AN
M r
oll-
ou
t
with S
SE
PD
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Glasgow . London . New York