System and market integration of renewables€¦ · 2. RES integration challenges in the 50Hertz...
Transcript of System and market integration of renewables€¦ · 2. RES integration challenges in the 50Hertz...
System and market
integration of renewables
21 March 2018
Björn Verse, European Energy Policy Advisor
50Hertz‘ experiences and assessment
WindEurope Workshop
RES system integration
Brussels
Seite 2
Agenda
1. 50Hertz - part of the European electricity system
2. RES integration challenges in the 50Hertz grid area
3. 50Hertz‘ experiences with RES integration
1. Grid extension & Congestion management
2. Market development and integration
4. 50Hertz‘ assessment: Policy options on RES integration
1. Introduction:
50Hertz - part of the
European electricity system
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50Hertz as part of the European Electricity System
1. 50Hertz
2. TenneT TSO
3. Amprion
4. TransnetBW
1
2
3
4 3
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Transmission grids are the technical backbone of the energy
supply in Germany and in Europe
Source: 50Hertz * German Renewable Energy Law
Owner of the
transmission grid
System operator
Market developer
„Trustee“ for
managing EEG*
cash flows
In charge of operation, maintenance and the development of
extra-high-voltage lines and power junctions (substations)
as well as for the connection of large-scale generators and
consumers (including offshore)
Catalyst for the development of the energy market,
especially in Northern and Central-Eastern Europe.
Responsible for managing cash flows resulting from the
Renewable Energy Law (EEG).
Responsible for system stability of the transmission system
around the clock: frequency control and voltage regulation,
congestion management.
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2013 2014 2015 2016 2017
FRA
SUI AUT
DK
SWE
CZ
7.340
21
BENELUX
2.699
21.266
7.340
21 44.789
9.624
95
7 Energinet.dk
TenneT PSE
ČEPS
Imports in GWh Exports in GWh 50Hertz Germany
Physical imports and exports Germany and 50Hertz
POL
Net exports in TWh
40,4
53,7
39,4
51,8
With 49 TWh in 2017 the 50Hertz grid area was a major electricity exporter
in Germany and Europe.
48,8
55,4
RES integration challenges
in the 50Hertz grid area
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RES development in Germany
Wind PV Biomass
Markierungen proportional zur installierten Leistung
2000 2006 2017
- ~ 30,000 plants
- 1.665* MW installed Wind in
Germany
- ~ 221,000 plants
- 2.233* MW installed Wind in
Germany
- ~ 1,600,000 plants
- 45.628* MW installed Wind in
Germany
* BWE Figures
Massive RES growth in Germany since the introduction of the Renewables Energy
Law (EEG) in 2000 – with Wind and PV as the main growth drivers.
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Disruptions / 100km line length
High grid stability despite fluctuating RES feed-in
RES share in final electricity consumption in 50Hertz grid area and Germany
Source: 50Hertz, *preliminary status as of 31.12.2017
0,0
0,5
1,0
1,5
2,0
2,5
3,0
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
Ø TSO
50Hertz
0102030405060708090
100
2005 2009 2013 2017 2021 2025 2029 2033
Zielkorridor: Anteil EE amStromverbrauch in GER
Prognose: Anteil EE amStromverbrauch bei 50Hertz
Ist: Anteil EE am Stromverbrauchbei 50Hertz
53,4 %*
The 50Hertz grid area is frontrunner in integrating renewables while
guaranteeing a high grid system stability and security.
Target corridor: RES share in
final consumption in Germany
Forecast: RES share in final
consumption in 50Hertz grid area
Status quo: RES share in final
consumption in 50Hertz grid area
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New German government RES targets:
Additional endeavours for the grid operators
New German RES target: 65 % RES share in electricity consumption by 2030
0
10
20
30
40
50
60
70
80
90
100
Wind onshore55% targetuntil 2030
Wind onshore65% targetuntil 2030
Wind offshore55% targetuntil 2030
Wind offshore65% targetuntil 2030
PV55% targetuntil 2030
PV65% targetuntil 2030
+ 16 – 20 GW
+ 2,5 – 5 GW
Insta
lled c
apa
city in
GW
+ 7 GW
69 87
15 19
69 75
results in additional 65 TWh from renewables
(in comparison to the previous German RES target of 55 % until 2030)
50Hertz‘ experiences with
RES integration
Grid extension & congestion management
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Grid loads >5h/a
2009 2017
Load ≤ 50 % 50 % < Load < 70 % Load ≥ 70 % No indicator
Transmission grid congestions in the 50Hertz grid area
Görries
Güstrow
Bentwisch
Rostock
Lüdershagen
Lubmin
Iven
Sieden-brünzow
Passewalk
BertikowVierraden
Krajnik
Putliz
Perleberg
Stendal/West
Helmstedt
Wolmirstedt
Magdeburg
Förderstedt
Neuenhagen
ThyrowEisenhütten-stadt
Klostermansfeld
Marke
Schönewalde
Ragow
Wolkramshausen
Lauchstädt
Vieselbach
Eisenach
Mecklar
Altenfeld
Goldisthal
Redwitz
Rempten-dorf
Großschwab-hausen
Herlasgrün
Hradec
Zwönitz
Crossen
Röhrsdorf
Markersbach
Niederwiesa
Eula
Pulgar
TauchaSteumen
Schmöln
Freiberg Nord
Hagenwerder
Bärwalde
Graustein
Preilack
Dresden Süd
Henningsdorf
Brandenburg West
Mikulowa
Lüneburg
Krümmel
HH-OstHH-Nord
Brunsbüttel
HH-Süd
Dollern
Wessin
Altentreptow Nord
Parchim Süd
Hamburg Nord
Jessen Nord
Gransee
Altentreptow Süd
Putliz Süd
Heinersdorf
Kummerfeld
Audorf
WP Wikinger
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* Preliminary data, Source: 50Hertz **Net costs as of 31.12.2017
0
2.000
4.000
6.000
8.000
10.000
12.000
2013 2014 2015 2016 2017
2.821
10.359
7.083
6.108*
2.189
0
50
100
150
200
250
300
350
400
2013 2014 2015 2016 2017
354
180 187*
89
63
“§13.2” national RES curtailment “§13.1” national redispatch “§13.1” cross-border/international
redispatch
Congestion management in the 50Hertz grid area
Congestion management costs were stable in 2017 at the level of previous years –
despite additional 2.100 MW of RES capacity added to the 50Hertz grid.
Congestion management volumes in GWh Congestion management costs in Mio € **
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~ 20 GW
~ 25 GW
Increasing
transmission need
(25 GW)
Till 2025:
Increasing power transport capacities to
connect consumption centers with RES
generation
Increasing European connectivity to
improve RES and market integration –
the key element of EU energy policy
Targets
Rising RES shares require an adaptation of the
transmission grid infrastructure
A strategic grid development in a European context is the key for a successful
energy transition.
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50Hertz-grid extension – “EnLAG” (2009):
Nr 3, part Vierraden – Krajnik (PL) 3 km
Nr 4, Lauchstädt – Vieselbach – Altenfeld
– Federal state Thuriginia / Bavaria 159 km
Nr 9, Görries – Krümmel 66 km
Nr 11, Neuenhagen – Wustermark 29 km
50Hertz-grid extension – “BBPlG” (2013/15):
Nr. 26, Bärwalde – Schmölln 46 km
Nr. 27, Abzweig Förderstedt 12 km
Nr. 28, Abzweig Parchim/Süd 1 km
Progress in transmission grid extension in the 50Hertz grid area
8% 92%
4% 96%
50Hertz
Deutschland
59% 41%
36% 64%
50Hertz
Germany
Operational: ~456 km In construction: ~129 km Permitting phase: ~629 km
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0
2000
4000
6000
8000
10000
Jan2009
Jan2010
Jan2011
Jan2012
Jan2013
Jan2014
Jan2015
Jan2016
Jan2017
Jan2018
Grid extension decreases costs Avoided congestion management costs due to 50Hertz‘ Südwest-Kuppelleitung (SWKL)
Status as of 21.03.2018
High temperature lines
50Hertz Adaptation of
substation
First system SWKL
Second system
SWKL
Transmission lines Remptendorf-Redwitz / Altenfeld-Redwitz
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50Hertz counter-measures to master unplanned load flows
through the European transmission grid
Re-dispatch
(„virtual PST“)
Phase shifters
(physical PST) Grid extension
- Reduces system-security-
relevant flows
- The challenge is to grant
efficiency and cost
effectiveness
- Reduces system-security-
relevant flows
- Requires major investments
- Grants security of the whole
electricity system
- Paves the way for an
integrated European market
Short-term Mid-term Long-term
50Hertz‘ experiences with
RES integration
Market development and integration
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Day-Ahead-
Market
Intraday-
Market
mFRR aFRR FCR
t-6 years t-(1-3) days t-15min t+6sec t+30sec
Energy
Cross Border Capacity Auction
Auction
Cross Border
Transmission Capacities
Market
Coupling
(MRC)
Balancing
Capacity
mFRR Balancing Capacity
FCR / aFRR
Forward Market
t-1 week t+15min
Balancing
Activation of Balancing
Energy by Balancing
Service Providers
Market
Coupling
(XBID)
FCR – Frequency Containment Reserve (PRL)
aFRR – automatic Frequency Restoration Reserve (SRL)
mFRR – manual Frequency Restoration Reserve (MRL)
*
* Nordpool allows local trading within the control area until real time
Overview of current electricity market setup in Germany
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Short-term markets – Trading volume has increased in order to
better balance RES forecast errors
0
5
10
15
20
25
30
0
1
2
3
4
5
6
7
8
Da
y-A
he
ad
Tra
din
g V
olu
me
in
TW
h p
er
mo
nth
Intr
ad
ay T
rad
ing
Vo
lum
es in
TW
h p
er
mo
nth
Intraday 15min cont. Intraday 15min auct. Intraday hours Day-Ahead
Day-Ahead Volume
Intraday Volume
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Grid Control Cooperation (GCC) – Avoiding counteractive
balancing to reduce overall balancing costs
National GCC (Module 1-4)
International GCC (Module 1
Imbalance Netting)
CEPS
Swissgrid
Energinet.dk
TenneT
Elia (10/2012)
(10/2011)
(02/2012)
(03/2012)
RTE (4/2016)
(06/2012)
Germany (since 2008)
Module 1 - IGCC: Avoid counteractivation
Module 2: Common dimensioning
Module 3: Common procurement of capacity
Module 4 – National GCC: Activation based on common
Merit Order List (04/2014) APG
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Eight countries
Cooperation
started in 2011
Main feature:
Imbalance netting
>300 Mil. EUR saved since 2011
50Hertz‘ achievements in integrating balancing markets
on a cross-border scale
Six countries
Cooperation
started in 2012
Main features:
Common procurement
International Grid Control
Cooperation (since 2012)
Frequency Control Reserve (FCR)
cooperation
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Renewables and ancillary services
? Renewables have to contribute to balancing the system in the future
50Hertz stands for RES integration into the markets for ancillary services.
The very high share of RES in the 50Hertz control area demonstrates the high demand
for those activities.
Objective: Reducing the conventional must-run capacities!
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Innovative approaches towards system and market integration
of renewables
Example battery storage
Five batteries in the control
area of 50Hertz participate in
primary control
E-mobility storing solutions
possible in the future
February 2016:
Prequalification of two wind
farms (60 MW) for tertiary
reserve by 50Hertz
Example negative
control power
Storm „Xaver“2013/12
After a loss of one two system
line, wind park brings voltage
back to the initial level
Example voltage control
RES system and market integration is proceeding. Besides voltage control, wind
has a strong potential for providing negative control power.
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Concept of the WindNODE Flexibility platform
-60
-40
-20
0
20
40
60
80
100
Conventional power plants
and large Storage
mainly
wind generators
[€ / M
Wh
]
new
Flexibility providers
§ 13. 1 EnWG
“conventional redispatch“ § 13. 2 EnWG
“RES curtailment”
In order to reduce RES curtailment costs, additional flexibility sources will be
incorporated in the established redispatching process in the 50Hertz grid area.
Therefore new processes and communication structures (between grid
operators and between flexibility provider and grid operator) are needed.
WindNODE Flexibility Platform
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Project targets
Efficient integration of 100% or even more RES-E into
the grid & system
Tangiable solutions, which are scalable
Strategy: Promoting flexibility in the grid
Intelligent interconnection of all elements in an
increasingly renewable-based electricity system
(Microproducers, prosumers, demand response, heat
storage, e-mobility, „Smart Home“ applicants)
DSOs and TSOs participate in the project
Optimization of volatile feed-in and demand
Preconditions
Digitalization
Enhanced price signals
Sector coupling and regulatory frameworks
German WindNODE project to foster RES integration
Source: WindNODE (www.windnode.de/konzept)
50Hertz‘ assessment
Policy options on RES integration
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• Optimized usage of existing grid infrastructures
• Appropriate incentive framework for grid operators
• Improved permitting procedures, taking into account public acceptance
• Clear RES curtailment and compensation rules
• Bid-/market-based procurement of redispatch measures problematic due to
potential strategic bidding and market power of generators
• Fair cost-sharing principles for cross-border redispatch in order to incentivize grid
investments in the long-run
• Strengthening short-term wholesale markets
• Developing new flexibility markets through close TSO and DSO cooperation on
EU level
Policy options
Grid extension
Congestion management
Market development and integration
Thank you for your attention!
Björn Verse
European Energy Policy Advisor
Communications and Public Affairs
50Hertz Transmission GmbH
Heidestraße 2
10557 Berlin, Germany
+49 30 5150 2069
+49 151 6114 73 26
www.50hertz.com
Brussels, 21 March 2018