IEEE Power & Energy Magazine - January/February 2016 - 39

Utility Control
Center

Network
Expansion
Planning

Network
Operation
Distribution Automation

Substation Protection,
Monitoring, and Control

Records
and Asset
Management

Customer
Support

IEC 61968
Compliant
Interface
Architecture

Maintenance
and
Construction

Meter
Reading and
Control

Utility
Business Systems
(ERP, Billing,
Energy Trading,
Other Systems)

Corporate LAN

Operational
Planning and
Optimization

WG 14
RTU
Communications

figure 5. Distribution management with IECĀ 61968 compliant interface architecture.

market operator, and system operators to provide a unified approach to conducting market operations. currently,
two market models are being developed: one for the north
american-style market (nodal market) and the other one for
the european-style market (zonal market).
the initial focus was on european-style markets, which
resulted in the iec 62325-351 standard as well as the series
of iec 62325-451-n for dedicated business processes such as
acknowledgment, scheduling transmission capacity allocation
and nomination, settlement and reconciliation, status request
and problem statement, and transparency data publication. in
particular, iec 62325-451-6 on transparency data publication
was developed based on the european transparency regulation (eU) no. 543/2013 of 14 June 2013, and it is used by all
the entities who have reporting responsibilities. development
and implementation were completed within one year thanks to
the use of the ciM and the isbasedon methodology described
in iec 62325-450. currently, more than 100,000 messages per
day are exchanged via this transparency platform.
Work is also underway for north american-style markets in
the form of a series of standards dealing with day ahead and
intraday markets. these standards describe the exchange of supplemental market definition data and run-time market data (bids,
offers, schedules of awards, and locational marginal prices).

Conclusion
the operation and development of bulk power systems around
the world is changing rapidly due to the need to integrate more
renewables into the electricity grid, to use the assets more
january/february 2016

efficiently, and to cope with structural changes in the power
system business. More analytical work needs to be performed,
and this requires seamless data exchanges that meet the requirements of different business domains. For this purpose, the industry has developed, implemented, and standardized a ciM. the
success stories described in this article and in other articles in
this issue should provide confidence that the iec ciM standards
have achieved a high level of maturity and should be deployed
as a best practice to achieve data interoperability.

For Further Reading
NIST Framework and Roadmap for Smart Grid Interoperability Standards, release 3.0, 2014.
"proposal for use of standardized component models in
powerflow and dynamics cases," nerc, 2013.
entso-e. (2013). common grid Model exchange standard (cgMes). [online]. available: https://www.entsoe.eu/
major-projects/common-information-model-cim/cim-forgrid-models-exchange/standards/pages/default.aspx

Biographies
Chavdar Ivanov is with entso-e, belgium.
Terry Saxton is with Xtensible solutions, greenwood
Village, colorado.
Jim Waight is with oMnetric group, Minnetonka,
Minnesota.
Maurizio Monti is with rte, France.
Greg Robinson is with Xtensible solutions, greenwood
p&e
Village, colorado.
ieee power & energy magazine

39


https://www.entsoe.eu/

Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - January/February 2016

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IEEE Power & Energy Magazine - January/February 2016 - Cover3
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