dr.-ing. eckehard tröster energynautics gmbh, germany 17th march 2011
DESCRIPTION
Operating the Future European Power System with 100% Renewables – A System Study based on the Energy [R]evolution Scenario. Dr.-Ing. Eckehard Tröster Energynautics GmbH, Germany 17th March 2011. Agenda. 1. Objectives. 2. Power System Analysis Method. - PowerPoint PPT PresentationTRANSCRIPT
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Operating the Future European Power System with 100% Renewables – A System Study based on the Energy [R]evolution Scenario
Dr.-Ing. Eckehard Tröster
Energynautics GmbH, Germany
17th March 2011
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Agenda
2. Power System Analysis Method
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1. Objectives
3. Results on DSM, Storage, and Grid Upgrade
4. Conclusions
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Agenda
2. Power System Analysis Method
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3. Results on DSM, Storage, and Grid Upgrade
4. Conclusions
1. Objectives
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Greenpeace Energy [R]evolution Scenario
RES share (TWh) 67% in 2030 and 97% in 2050 Installed capacity in Europe:
Wind power plays a major role in the future power system!
376 GW 497 GW
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Objectives of Grid Study
Determine the grid infrastructure required for Energy [R]evolution Scenario
Explore different measures for optimal integration of Renewable Energy Sources into the European electricity grid
Grid Study 2030/2050
Grid upgrades
Demand-side Management
Storage
Back-up generation
RES dispatch priority in power
markets
RES distribution and energy mix
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Agenda
2. Power System Analysis Method
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3. Results on DSM, Storage, and Grid Upgrade
4. Conclusions
1. Objectives
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DC-model of European network in DIgSILENT PowerFactory.
Lines are aggregated to form a 224- node model connecting load centres.
Due to its simplicity it is well suited for a general European grid upgrade study.
European Electricity Grid Model
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Methodology – Grid Planning
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1
•Determine maximum generator availability based on extreme weather event and standard year (hourly data).
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•Assign maximum generator availability and forecast load at each node in network model.
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•Perform DC optimum power flow feasibility check with constraints• Limit line
flow to 80% of maximum capacity in order to cover for (N-1) contingency.
• Dispatched generation must be within specified limits.
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•Assess where the bottlenecks exist and determine cost optimal grid upgrade.•Only node
to node upgrades are considered.
•Distribution grid not considered.
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Extreme Winter Event
Low windproduction!
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Extreme Winter Event
Low solar production!
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Extreme Winter Event
High demand!
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Agenda
2. Power System Analysis Method
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3. Results on DSM, Storage, and Grid Upgrade
4. Conclusions
1. Objectives
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Curtailed energy for Base Scenario 2030 with DSM 5%, 10%, and 20%.
Impact of DSM is limited!
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Curtailed energy for Base Scenario 2030 with storage
Impact of Storage is limited!
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Grid upgrade optimisation process
12%
3%
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By further upgrading the grid, the amount of curtailed energy can be strongly reduced
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Storage and DSM
Back-upCapacity
Grid upgrade
RES curtailment Security of Supply
RES IntegrationContributes to RES integration and improve SoS
Contributes to RES integration when grid is restricted and RES-share is high, does not improve SoS...
...requiring backup generation to cover SoS
DSM/Storage vs. Grid Upgrade
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Source: Reproduced with permission of ENTSO-E by energynautics.
Critical areas for grid upgrade in future:
1. South to Central Europe
2. North Sea Offshore
High-voltage network of Europe in 2030
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Source: Reproduced with permission of ENTSO-E by energynautics.
The Supergrid starts to develop:
It connects South and
Central Europe!
High-voltage network of Europe with the proposed HVDC Supergrid in 2030
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Source: Reproduced with permission of ENTSO-E by energynautics.
The Supergrid is formed:
It connects North Africa with the Centre of Europe!
High-voltage network of Europe with the proposed HVDC Supergrid in 2050
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Optimised Scenario 2030
Import Scenario 2050
Regional Scenario 2050
Capacity (GW)
HVAC 879 1.311 995
HVDC Onshore 71 1.221 266
HVDC Offshore 97 419 161
Total 1.046 2.951 1.421
Distance (thousand km)
HVAC 170 242 190
HVDC Onshore 19 125 26
HVDC Offshore 43 135 62
Total 233 501 278
Cost of upgrades vs
2010 grid(billion euro)
HVAC 20 59 31
HVDC Onshore 21 -49 300 – 452 65 – 89
HVDC Offshore 29 168 53
Total 70 - 98 528 - 679 149 – 173
Cost of upgrades vs
2030 grid(billion euro)
HVAC - 39 10
HVDC Onshore - 279 - 403 40 – 44
HVDC Offshore - 139 24
Total - 458 - 581 74 - 79
© Copyright to energynautics GmbH.
Summary of grid upgrades
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Base
Scenario 2030
Base Scenario 2030 with DSM20%
Base Scenario 2030 with storage
Base Scenario 2030 with inflexible
generation
2030 Grid optimised
for curtailment
2050 Grid with 60GW
import
2050 Grid without import
Total generation
(TWh)
3886 3888 3863 3782 3867 4492 4543
RES
(TWh)2537 2643 2543 2250 2567 4438 4517
% RES 65% 68% 66% 59% 66% 99% 99%Curtailed
RES
(TWh)
98 89 77 150 32 219 294
% curtailed 4% 3% 3% 6% 1% 4% 5%
Grid investments
(billion Euro)
50 to 70 - - -
19 - 28 in addition to
Base Scenario
2030
(70 - 98 vs 2010)
458 – 581 in addition to 2030 (528 -
679 vs 2010)
74 - 79 in addition to
2030
(149 - 173 vs 2010)
© Copyright to energynautics GmbH.
Overview of key results of all scenarios
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Agenda
2. Power System Analysis Method
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3. Results on DSM, Storage, and Grid Upgrade
4. Conclusions
1. Objectives
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RES should be prioritized on a European level in order to reduce amount of curtailed energy
Impact of demand side management and storage is limited in 2030 but more significant in 2050 when transmission is constrained and RES-share is high
Further grid upgrades have highest impact on curtailment
Dispatchable generation has to be flexible to gain a high share of renewables in the system
Utilization of conventional power plants will be much lower than today (extended use of inflexible conventional power displaces renewables)
Conclusions
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Thank you for your attention!
Study can be downloaded from our website: www.energynautics.com
Contact:Dr.-Ing. Eckehard Trö[email protected]