CWE, Central West Europe

Harmonization of the Rules for Capacity Allocation by Explicit Auctions (version 1) within CWE, CSE and Switzerland Regions

Following the works initiated within Central West Europe (CWE) Region, Central South Europe (CSE) Region and Switzerland, a new step towards the single European energy market is now achieved with the setting up of a single set of Rules for allocating capacity rights via Explicit Auctions within these Regions.

Called “Rules for Capacity Allocation by Explicit Auctions Version 1.0 within Central West Europe Region (CWE), Central South Europe Region (CSE) and Switzerland”, these Auction Rules replace the CWE Auction Rules, the Italian Borders Auctions Rules, the Germany – Switzerland Auction Rules and the Austrian – Switzerland Auction Rules.

They are valid for physical transmission rights with a delivery date starting from the 1st of January 2012 and for the following country borders: Netherlands - Germany, Netherlands - Belgium, Belgium - France, France - Germany, France - Switzerland, Switzerland - Germany, Austria - Switzerland, France- Italy, Switzerland - Italy, Austria - Italy, Slovenia - Italy and Greece - Italy.

The Auction Rules have been submitted to a market consultation during 3 weeks from the 13th September to the 4th of October 2011. A document summarizing the comments received together with TSO’s answers to them is published simultaneously.

The main improvements are:

  • One unique agreement for managing the contractual relationship between the joint auction office CASC.eu and the Participants on 12 Country Borders;
  • Participants can access Yearly Auctions, Monthly Auctions and Secondary Trading for all country borders covered by the Auction Rules once they are entitled for nominating in one country of CWE, CSE or Switzerland Regions (entitlement for Daily Auctions remains per country border);
  • The allocation of capacities on the France - Switzerland Border is now covered by the Auction Rules;
  • For all CWE Country Borders (Netherlands - Germany, Germany - France, France - Belgium and Belgium - Netherlands), the compensation scheme in case of reduction of held capacities is harmonized and consists in a day-ahead spot market spread compensation with only one cap based upon the revenues for the concerned month;
  • For CWE region, the capacity holders’ names of yearly and monthly auctions are published;
  • Force Majeure is harmonized for all CWE, CSE and Switzerland.

The registration and the entitlement process will be performed by CASC.EU, the Auction Operator appointed by all CWE, CSE and Switzerland TSOs.

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  • Rules for Capacity Allocation by Explicit Auctions Version 1.0 within Central West Europe Region (CWE), Central South Europe Region (CSE) and Switzerland
.zip (860 Ko) zip .pdf (896 Ko) pdf
  • Synthesis of the questions/concerns raised during the consultation and answers
.zip (59 Ko) zip .pdf (73 Ko) pdf
Archives
  • CWE Auction Rules applicable from the launch of CWE Market Coupling
.zip (572 Ko) zip .pdf (685 Ko) pdf
  • Information note on the new CWE Auction Rules
.zip (77 Ko) zip .pdf (87 Ko) pdf
  • Caps for the compensation at market spread as from the 10th of novembre 2010
.zip (12 Ko) zip .pdf (13 Ko) pdf
  • Previous CWE Auction Rules applicable until the launch of CWE Market Coupling
.zip (71 Ko) zip .pdf (87 Ko) pdf

Documents updated on: 11/30/2011

CWE Market coupling:  Update of  the « Flow Based Feasibility Report »

Please find enclosed the update of  the «  CWE Flow Based Feasibility Report » as well as the slides, that were presented to the PentaLateral Energy Forum stakeholders on 28th  October 2011 in Paris.

  • Five  extra months of experimental results
  • The presentation of a calculation methodology of Intraday ATC issued of the Flow Based domain
  • Complements on Intuitive Flow based
  • Additional theoretical elements on the reliability margin in the capacity calculation model

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  • « CWE  Enhanced Flow Based Market Coupling Feasibility Report » presentation  during the PLEF meeting in Paris on the 28th October 2011.
.zip (703 Ko) zip .pdf (790 Ko) pdf
  • « CWE Enhanced Flow Based Market Coupling Feasibility Report »  version 2 document, communicated to the PLEF stakeholders for the PLEF meeting on the 28th October 2011 in Paris.
.zip (3,96 Mo) zip .pdf (4,39 Mo) pdf

Documents updated on: 10/28/2011

You will also find hereunder a presentation of CWE Market Coupling Operational Report, presented as well at the 28th October PLEF.

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  • CWE Market Coupling Operational report presentation during the PLEF meeting in Paris on the 28th October 2011.
.zip (1,01 Mo) zip .pdf (1,44 Mo) pdf

Documents updated on: 10/28/2011

CWE MC Flow Based Questions and Answers

After the publication of the CWE Enhanced FBMC Feasibility Report and the CWE technical Forum held on the 1st June in Amsterdam, several questions on the Flow Based methodology have reached the CWE  project partners. These questions are answered in detail in this document in order to make the Flow Based methodology more clear and understandable. The last update of the  following document has been done in December 2011.


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  • CWE MC Flow Based Questions and Answers
.zip (379 Ko) zip .pdf (445 Ko) pdf

Documents updated on: 12/19/2011

CWE Market coupling: CWE MC Flow based forum

The first CWE MC Flow based Forum was held on the 1st June 2011 in Amsterdam. The slides enclosed describe Flow Based theory, results of the feasibility report, interactions with regional initiatives, planning, etc... A feedback on CWE MC ATC was also presented.


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  • CWE MC Flow Based Forum slides, 1st June 2011
.zip (2,64 Mo) zip .pdf (3,14 Mo) pdf

Documents updated on: 06/09/2011

CWE Market coupling: « Flow Based Feasibility Report » publication

Following the successfull launch of the Price Market Coupling on the 9th of November 2010, CWE partners are now preparing to the second step of this mechanism with the implementation of the so called “Flow Based” Market Coupling.

This new methodology, which allows an optimized allocation of cross border capacities, is now reaching the final stage of a several month experimentation phase where the benefits of the Flow Based, technical as well as economic (increase in social welfare and price convergence) have been proven.

The Flow Based methodology and main outcomes of the experimentation have been presented to the Pentalateral Energy Forum stakeholders on the 22nd of March in Brussels, under the form of a detailed report and a presentation, available via the links below:


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  • « CWE Flow based market coupling feasibility report »  presentation during the PLEF meeting in Brussels on the 22nd of March 2011.
.zip (1,11 Mo) zip .pdf (1,37 Mo) pdf
  • « CWE Flow based market coupling feasibility report » document, communicated to the PLEF stakeholders for the PLEF meeting in March.
.zip (3,17 Mo) zip .pdf (3,59 Mo) pdf

Documents updated on: 03/25/2011

The report, which is to lead to the so-called “implementation phase”, constitutes a true corner stone in the CWE market Coupling project, whose achievement is today foreseen for the last quarter of 2012.

Information documentation on CWE Market Coupling

Transmission System Operators (TSOs) and Power exchanges publish general information documents on CWE Market Coupling.


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  • Decoupling of March 27th 2011 – Steps and Solutions
.zip (208 ko) zip .pdf (222 ko) pdf
  • Decoupling of March 27th 2011 – Feedback elements
.zip (242 ko) zip .pdf (349 ko) pdf
  • Slides of the 29th September 2010 CWE MC and CWE-Nordic ITVC Seminar
.zip (6,49 Mo) zip .pdf (6,58 Mo) pdf
  • Answers to the questions raised by market participants after the forum of 8 June 2010
.zip (1,5 Mo) zip .pdf (1,7 Mo) pdf
  • Letter to the PLEF announcing the target launch date of CWE-Nordic coupling
.zip (78 Ko) zip .pdf (85,4 Ko) pdf
  • Slides of the 8th June 2010 CWE forum
.zip (2,57 Mo) zip .pdf (5,23 Mo) pdf
  • Informative documentation on CWE Market Coupling
.zip (1,5 Mo) zip .pdf (1,7 Mo) pdf
  • Annex 2 : High Level architecture
.zip (65 Ko) zip .pdf (72 Ko) pdf
  • Annex 4 : Fallback alternatives
.zip (46 Ko) zip .pdf (60 Ko) pdf

Documents updated on: 11/08/2011

ATC-based market coupling solution

The TSOs and the Regulators of the CWE region publish a common communication addressed to the Support Group 1 of the Penta Lateral Energy Forum expressing their comfort concerning the ATC-based market coupling solution.

The paper addresses the complexity of cross-border capacity calculation, the features of the coordinated capacity adjustment method, the minimum capacity issues and the planning for future steps.


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  • Common publication of TSOs / regulators on ATC-based market coupling solution
.zip (71 Ko) zip .pdf (87 Ko) pdf

Documents updated on: 03/23/2009

CWE Market Coupling addendum to the Implementation Study addressed to the PentaLateral Energy Forum

In November 2008, the partners of the CWE Market Coupling project have provided the addendum to the Implementation Study addressed to the PentaLateral Energy Forum.

This document completes the description of the design of the market coupling solution that was proposed in the Implementation Study, published on October 1st.

This addendum contains:

  • the description of the distribution of the auction incomes in ATC based Market Coupling,
  • the methodology of a coordinated ATC calculation,
  • the results of the latest validation study,
  • the bottom-up planning and the budget.

The project partners are currently organising the necessary steps to enter the implementation phase.

The first goal is the launch of an ATC-based market coupling for the CWE region, as soon as possible, currently planned for March 2010.

Flow based Market Coupling remains the ultimate goal. After a time of parallel running of simulations in flow-based coupling there is going to be a consultation before the switch to a flow-based coupling, currently planned for end 2010.

You will find below the addendum to the Implementation Study and its annex, as well as the presentation of the addendum proposed to the Pentalateral Energy Forum on the 26th November 2008


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Complete Document .zip (3,3 Mo) zip
  • Addendum to the Implementation Study
  • Appendix
.zip (727 Ko) zip
.zip (480 Ko) zip
.pdf (769 Ko) pdf
.pdf (567 Ko) pdf
  • Presentation PLEF 26-11-2008
.zip (237 Ko) zip .pdf (860 Ko) pdf
  • CWE MC Implementation study
.zip (899 Ko) zip .pdf (983 Ko) pdf
  • Appendix
.zip (1 Mo) zip
  • slides of the CWE Market Coupling forum
    9/10/2009
.zip (1,6 Mo) zip .pdf (1,7 Mo) pdf
  • Results of the consultation of May 2008 on the CWE MC project
.zip (1,5 Mo) zip .pdf (1,5 Mo) pdf
  • Minutes of the consultation of 1st October 2007 on France-Belgium capacities
.zip (341 Ko) zip .pdf (403 Ko) pdf
  • Minutes of the consultation of 6th March 2007 on France-Belgium capacities
.zip (341 Ko) zip .pdf (403 Ko) pdf
  • Summary of the consultation of market players on 2nd February 2006 (in French only)
.zip (40 Ko) zip .pdf (49 Ko) pdf
  • Summary of the answers of the actors (in French only)
.zip (171 Ko) zip .pdf (201 Ko) pdf

Documents updated on: 12/16/2008

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