HOW EDIG@S MAY SATISFY THE GAS PROCESSES is EDIGAS V3.pdf · Former version was using UN/EDIFACT...
Transcript of HOW EDIG@S MAY SATISFY THE GAS PROCESSES is EDIGAS V3.pdf · Former version was using UN/EDIFACT...
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HOW EDIG@S MAY SATISFY THE GAS
PROCESSES
1
Sophie JEHAES Message and Workflow Design Working Group
(Edig@s-WG)
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What is Edig@s
History of Edig@s and of the Edig@s WG
Major gas roles: Who may/shall use Edig@s
Geographical coverage of Edig@s in Europe in 2012
Major business processes covered by Edig@s
Major use cases covered by Edig@s
Edig@s documentation (Message Implementation Guidelines)
Process to create MIG documentation
Conclusions
Agenda
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What is Edig@s?
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EDI standard for the exchange of data via electronic means
between parties involved in the gas industry.
It uses XML format
Former version was using UN/EDIFACT format
It is a kind of language
It is not a communication protocol (FTP, AS2, AS4) !!
It is independent from the communication medium (internet, ISDN, ..)
Based on UML (Unified Modelling Language)
Trademark by EASEE-Gas
Free of charge
Developed and maintained by Edig@s WG on behalf of the EASEE-
Gas association where all gas segments are represented
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UN/EDIFACT was created in 1987 under the United Nations
Edig@s was created in 1996 as European standard for information
exchange related to the gas market
In 2002, merged into EASEE-Gas as the working group WG2: Message
and Workflow Design Working Group
In 2003, Edig@s adopted as an EASEE-Gas Common business
Practise
In 2007, version 4 of the Edig@s message set was approved proposing
the Edig@s message set in both the UN/EDIFACT and the XML syntax
using business process modelling methodology (UML)
End of 2013, Version 5 (only XML) of the Edig@s message set was
approved
History
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Major Gas Roles in the Market
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Producer Trader
Shipper
End User
Supplier
Balancing
Operator
Grid
Controller
Nomination
Agent
Meter Data
Provider
Capacity
Auction/Booking
Operator
Weather Data
Provider
Regulator/ACER
Allocation
Agent
Edig@s is
mandatory
TSO/
SSO/
LSO
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Geographical coverage of Edig@s in Europe in 2012
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Implemented
Partially implemented
No information
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Major Processes covered by Edig@s
Capacity
Booking
Gas
Trading
Nomination
and
Matching
Settlement
Balancing
Transparency
(REMIT)
Facility
Setting
General
Services
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Capacity Booking: Use Cases covered by Edig@s
Offer
capacity
Place bids
Publish
auction results
Manage
capacity
Secondary
market right
transfer
Publish offered
capacity
Manage
buy-back
Manage
surrendering
Network User
Auction Office
TSO
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Gas Trading: Use Cases covered by Edig@s
Make gas available
for offtake/purchase
Trader
Determine gas required
for purchase/offtake
Declare daily gas
consumption profile
End User Confirm profile
declaration
Service Provider
Send purchase/offtake
confirmation
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Nomination & Matching: Use Cases covered by Edig@s
Nominate gas
quantities
Shipper
Get interruption
notice
Confirm gas
quantities
Process joint
nomination declaration
TSO
Exchange
processed quantities
Exchange matched
quantities
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Settlement: Use Cases covered by Edig@s
Shipper
TSO
End User
Metered Data Responsible
Allocation Agent
Provide
measured data
Allocate gas
use
Settle position
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Balancing: Use Cases covered by Edig@s
TSO
Shipper/ Programme
Responsible Party
Balance Supplier
Designate
Balance Supplier
Establish load
forecasts
Activate tender
bid price ladder
Activate request
of gas balancing
Publish market and
shippers balance
position
Declare quantity
limitation End User
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Transparency (REMIT): Use Cases covered by Edig@s
TSO/SSO/LSO
ACER/regulators
Shipper
Publish aggregated
nominated/allocated flow data
Publish detailed
nominated/allocated flow data
Publish LNG/storage
facility situation & forecast
Publish booking &
auctioning results Auction Office
Publish results of
secondary market transfer
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Already
existing In pilot
phase In discussion
with ACER
Not yet
discussed
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General Services: Use Cases covered by Edig@s
Any roles Any roles
Acknowledge document
Publish public data
Provide weather
actuals/forecast data
Weather Data Provider
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What is an Edig@s document
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General description of the business process Use case; Sequence; Workflow
Contextual and assembly model
Information model description
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Example of
contextual model
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Example of assembly model
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Extract of an XSD
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Process from BRS….
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Explanations: network code; business
process and rules/constraints;
sequence & workflow diagrams;
business data requirements
Edig@s WG
ENTSOG WG
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Process …. via the contextual model….
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Development of the
information model
Edig@s WG
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Process …. to the Message Implementation Guidelines ….
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Validation of the
information model
Edig@s WG ENTSOG WG
Edig@s WG
Preparation of the
documentation
Generate assembly
model and XSD
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Process …. and to the XSDs….
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Review assembly
model and XSD
Edig@s WG
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Process …. And finally the approval phase
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Approval by
Edig@s WG
& ENTSOG
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New or different functions between version 4 and 5
VERSION 4 VERSION 5
Handled both
UN/EDIFACT and XML
delivery mechanisms
Handle only an XML delivery mechanism
Revampe all the message structures to provide a more
coherent requirements layout
Introduce ENTSOG requirements
Developed with EA UML modelling process from IEC modelling
standard.
Harmonisation of all document headers
Harmonisation of the document identification with versioning
Only EIC (Energy Identification Coding) code is authorised for
the party identification
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Edig@s: Continuous development but stable process
New version every 4 years
Advantages:
Harmonised implementation in Europe when TSOs are impacted in
communication process
Used by major cross-European shippers also for processes between
shippers
Strict enough to authorise some local interpretation while the message
structure is identical for everyone
Free of charge (XSDs)
Easy to implement (XML version)
Covers major gas processes (except short term trading and invoicing)
Covers major gas user segments (except public distribution)
Conclusions
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