KETEP 세계에너지시장정보

Abstract ....................................................................................................................................................................................................................................................................... 3 

Acknowledgements .......................................................................................................................................................................................................................................... 4 

Executive summary .......................................................................................................................................................................................................................................... 5 

1 Introduction..................................................................................................................................................................................................................................................... 8 
 1.1 The European zonal market design............................................................................................................................................................................ 8 
 1.2 Redispatch .......................................................................................................................................................................................................................................... 9 
 1.3 Objective of this study ........................................................................................................................................................................................................... 9 

2 Model ................................................................................................................................................................................................................................................................. 10 
 2.1 Variable renewables .............................................................................................................................................................................................................. 10 
 2.2 Demand ............................................................................................................................................................................................................................................. 11 
  2.2.1 Demand flexibility.................................................................................................................................................................................................. 11 
 2.3 Storage and other flexibility .......................................................................................................................................................................................... 12 
 2.4 Flow-based market coupling ......................................................................................................................................................................................... 13 
 2.5 Grid expansion ............................................................................................................................................................................................................................. 14 
  2.5.1 New grid projects ................................................................................................................................................................................................... 14 
  2.5.2 Scenarios for inner-zonal grid expansion ....................................................................................................................................... 15 
 2.6 Redispatch ....................................................................................................................................................................................................................................... 15 
 2.7 Workflow........................................................................................................................................................................................................................................... 16 
 2.8 Limitations to the approach ........................................................................................................................................................................................... 17 

3 Results .............................................................................................................................................................................................................................................................. 18 
 3.1 Validation ......................................................................................................................................................................................................................................... 18 
 3.2 Redispatch volumes in the scenarios .................................................................................................................................................................... 18 
  3.2.1 Impact on renewable generation ............................................................................................................................................................ 21 
  3.2.2 Demand side flexibility and hydrogen production as redispatch drivers ......................................................... 22 
  3.2.3 Impact of cross-border cooperation in redispatch ................................................................................................................. 23 

4 Discussion ..................................................................................................................................................................................................................................................... 25 
 4.1 Viability of current redispatch arrangements ............................................................................................................................................... 25 
 4.2 Inefficient siting decisions ............................................................................................................................................................................................... 25 
 4.3 A possible way forward ...................................................................................................................................................................................................... 26 

5 Policy options to improve congestion management ............................................................................................................................................ 27 
 5.1 Bidding zone splits .................................................................................................................................................................................................................. 27 
 5.2 Redispatch markets ................................................................................................................................................................................................................ 28 
 5.3 Locational renewable auctions .................................................................................................................................................................................... 28 
 5.4 Locational capacity markets .......................................................................................................................................................................................... 29 
 5.5 Locational grid charges ...................................................................................................................................................................................................... 29 
 5.6 Locational marginal pricing ............................................................................................................................................................................................ 30 

6 Concluding remarks ............................................................................................................................................................................................................................. 32

Annexes .................................................................................................................................................................................................................................................................... 33 
 Annex 1. Candidate HVDC projects........................................................................................................................................................................................ 33 

References ............................................................................................................................................................................................................................................................. 34 

List of abbreviations and definitions ........................................................................................................................................................................................... 37 

List of boxes......................................................................................................................................................................................................................................................... 38 

List of figures ..................................................................................................................................................................................................................................................... 39 

List of tables ........................................................................................................................................................................................................................................................ 40