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>>>. Integrating Wind into Electricity Market in Germany. Dr. Ulrich Focken European Wind Energy Conference Milan,09. May 2007. Overview. Status Quo: Renewable energy act Concept of renewable trading platform. Status quo: renewable energy act. - PowerPoint PPT Presentation
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Dr. Ulrich FockenEuropean Wind Energy Conference Milan,09. May 2007
>>>Integrating Wind into Electricity Market in Germany
Overview
• Status Quo: Renewable energy act
• Concept of renewable trading platform
Status quo: renewable energy act
Fixed tarif: §5 (1) Netzbetreiber sind verpflichtet, Strom, der in Anlagen gewonnen wird, die ausschließlich
Erneuerbare Energien einsetzen nach §6 bis 12 zu vergüten.
Preference integration : §4 (1) Netzbetreiber sind verpflichtet, Anlagen zur Erzeugung von Strom aus Erneuerbaren
Energien vorrangig an ihr Netz anzuschließen und den gesamten aus diesen Anlagen angebotenen Strom aus Erneuerbaren Energien vorrangig abzunehmen.
– realisation: physical balancing by TSO
Renewable energy act (EEG) - delivery of renewable energy to customers
TSO
Distribution Network
Distribution Network
EEG Plant (e.g. Wind
Park)
EEG Plant (e.g. Wind
Park)
Sales CompanySales Company
Final CustomerFinal Customer
EEG-Quota
TSO
EEG-energy is passed on from the producers to the final customers. Payment (feed in tariffs) are passed on as well.
Installed wind power & energy consumption
Vattenfall Europe
e.on
RWE
EnBW
0
10
20
30
40
50
e.on Vattenfall RWE EnBW
rel.
pro
po
rtio
n [
%]
installed wind power electricity consumption
TSO in the north with high wind energy penetration
Vattenfall Europe
e.on
RWE
EnBW
0
10
20
30
40
50
e.on Vattenfall RWE EnBW
rel.
pro
po
rtio
n [
%]
installed wind power electricity consumption
Installed wind power & energy consumption
TSO in the north with high wind energy penetration
Physical distribition of wind power between TSO`s
Vattenfall Europe
e.on
RWE
EnBW
0
10
20
30
40
50
e.on Vattenfall RWE EnBW
rel.
pro
po
rtio
n [
%]
installed wind power electricity consumption
• Energy is passed from E.on and Vattenfall grids towards EnBW and RWE-grids
• Quarter-hourly exchange based on upscaled productions of representative wind-farms
• Smoothing effect of wind power forecast error and load forecast error
Vattenfall Europe
e.on
RWE
EnBW
0
10
20
30
40
50
e.on Vattenfall RWE EnBW
rel.
pro
po
rtio
n [
%]
wind power in grid electricity consumption
Physical distribition of wind power between TSO`s
Future : integration in the market has to be done
Fixed tarif system is the best for the beginning of integraton of wind power, ...
but with increasing share of wind power it has to be integrated in the power market.
What has to be considered:• Political framework• Development of methods and software for pratical realisation
Political Framework: Status Quo
Fixed tarif: §5 (1) Netzbetreiber sind verpflichtet, Strom, der in Anlagen gewonnen wird, die ausschließlich Erneuerbare Energien einsetzen nach §6 bis 12 zu vergüten.
Preference integration: §4 (1) Netzbetreiber sind verpflichtet, Anlagen zur Erzeugung von Strom aus Erneuerbaren Energien vorrangig an ihr Netz anzuschließen und den gesamten aus diesen Anlagen angebotenen Strom aus Erneuerbaren Energien vorrangig abzunehmen.
„Grid operator are obliged to take, but the wind park owner is not obliged to give“
TSO
Distribution Network
Distribution Network
EEG Plant (e.g. Wind
Park)
EEG Plant (e.g. Wind
Park)
Sales CompanySales Company
Final CustomerFinal Customer
EEG-Quota
TSO
Renewable energy act (EEG) - delivery of renewable energy to customers
Market integration
ÜNB
Verteilnetz-betreiber
Verteilnetz-betreiber
EEG-Quote
ÜNB
EEG Plant (e.g. Wind
Park)
EEG Plant (e.g. Wind
Park)
Sales CompanySales CompanyOTC /
EEX
OTC /
EEX
Final CustomerFinal Customer
What is special to trade wind power ?
Power trading is for over 10 year daily business, but ...
Convertional power plants: The power plant is scheduled to sold energy.
Renewables: Trading the power which is predicted.
Concept of renewable virtuel trading platform
Wind Power Prediction - Previento
Previento
Physikalisches Modell:
• Räumliche Verfeinerung
• Thermische Schichtung
• Regionales Upscaling
• Angabe Unsicherheit
Supply information
Include availabity
Pooling
Price information
Trading platforms: Power exange
(EEX) OTC
Forecast of
price
Concept of renewable virtuel trading platform
Risk assessment
Price risk
known problem in the energy market
Volume risk
deviation of schedule due to prediction error
How to deal with forecast errors:
balancing power
physical adjustment with conventional power plants
demand site management
Smoothing helps a lot
– Error decrease with
increase of regionsize
– Regional smoothing
depend only on regions
size, not on number of sites
– Error is reduced in
germany to 42 % compared
to single forecast
Which hours are above a certain treshhold ?
Cumulate frequency of trading duration
Standard products for the energy market
Base
Peak
Wind Power
• Generate products is a challange
Standard products for the energy market
• Consideration of all uncertainties
Combined UncertaintyWind Power Prediction
Contracts
Which topics a trading tool should cover ?
• Easy to access via internet: multiple user like trader, wind power maintenance, wind power operator
• User dependend settings
• All information together
• Historic data available
Muster Datum 13.10.2005 13.10.2005 13.10.2005aus Regelzone Dan Regelzone Dvon Bilanzkreis Windnach Bilanzkreis
Typ WP WP_MIN WP_MAX
Kommentarbereich Deutschland Min-Konfidenz Max-Konfidenz
Erstellungsdatum 13.10.2005Erstellungsuhrzeit 07:35Prognosezeitpunkt
Kontrollsumme [MWh]: 34772
von bis MW MW MW00:00 00:15 2789 2209 336900:15 00:30 2789 2209 336900:30 00:45 2789 2209 336900:45 01:00 2789 2209 336901:00 01:15 2789 2209 336901:15 01:30 2749 2176 332201:30 01:45 2708 2141 327501:45 02:00 2668 2107 322902:00 02:15 2628 2073 318302:15 02:30 2547 2005 308902:30 02:45 2466 1936 2996
Muster Datum 13.10.2005 13.10.2005 13.10.2005aus Regelzone Dan Regelzone Dvon Bilanzkreis Windnach Bilanzkreis
Typ WP WP_MIN WP_MAX
Kommentarbereich Deutschland Min-Konfidenz Max-Konfidenz
Erstellungsdatum 13.10.2005Erstellungsuhrzeit 07:35Prognosezeitpunkt
Kontrollsumme [MWh]: 34772
von bis MW MW MW00:00 00:15 2789 2209 336900:15 00:30 2789 2209 336900:30 00:45 2789 2209 336900:45 01:00 2789 2209 336901:00 01:15 2789 2209 336901:15 01:30 2749 2176 332201:30 01:45 2708 2141 327501:45 02:00 2668 2107 322902:00 02:15 2628 2073 318302:15 02:30 2547 2005 308902:30 02:45 2466 1936 2996
Muster Datum 13.10.2005 13.10.2005 13.10.2005aus Regelzone Dan Regelzone Dvon Bilanzkreis Windnach Bilanzkreis
Typ WP WP_MIN WP_MAX
Kommentarbereich Deutschland Min-Konfidenz Max-Konfidenz
Erstellungsdatum 13.10.2005Erstellungsuhrzeit 07:35Prognosezeitpunkt
Kontrollsumme [MWh]: 34772
von bis MW MW MW00:00 00:15 2789 2209 336900:15 00:30 2789 2209 336900:30 00:45 2789 2209 336900:45 01:00 2789 2209 336901:00 01:15 2789 2209 336901:15 01:30 2749 2176 332201:30 01:45 2708 2141 327501:45 02:00 2668 2107 322902:00 02:15 2628 2073 318302:15 02:30 2547 2005 308902:30 02:45 2466 1936 2996
Start trading in germany with WPD / EWE
• 1.6 GW inst. Capacity distributed over whole germany
• Predictions are available for each single wind farm• A company to trade wind power will be estabished by EWE and WPD
So - methods and software to trade wind energy are available !
Thanks for your attention !
>>>KontaktDr. Ulrich Fockenenergy & meteo systems GmbHMarie-Curie Straße 126129 [email protected]
