december 11, 2013 |westborough, ma
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DECEMBER 11, 2013 |WESTBOROUGH, MA
Michael N. TaniwhaDIRECTOR, IT DEVELOPMENT AND POWER SYSTEM SUPPORT
Clarify Information Policy re sharing Operating Reliability Data - Meeting #1
Information Policy Changes
Overview
• Background
• The Interregional Security Network (ISN)
• Information Policy Changes
• Transition of NERCnet to the EIDSN
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Background
Mandatory reliability standards and other FERC/NERC initiatives have pushed for:
•Improved “situational awareness”
•Better understanding of impact of “external contingencies”
•Availability of more detailed information for wide area monitoring
August 2003 Northeast Blackout
•U.S.-Canada Power System Outage Task Force
Sept. 2011 CA/AZ Outages
•FERC/NERC Staff Report on the September 8, 2011 Blackout
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The Interregional Security Network (ISN)
• The Interregional Security Network (ISN) is commonly referred to by the term NERCnet and has been in operation since 1997
• NERCnet is a communication network used by NERC, Reliability Coordinators (RCs), Transmission Operators (TOPs), Balancing Authorities (BAs) to share real-time operating reliability data (ORD) across the Eastern Interconnection
• The ORD is used to provide wide area situational awareness and sharing of ORD is a requirement of the mandatory NERC Reliability Standards
• The ORD consists of transmission interface limits, line flows, circuit breaker status , generator output etc.– Likely to include phasor measurement data (PMU) in the near future
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Information Policy Changes
• The ISO proposes changes to the ISO New England Information Policy so that the policy better reflects the ISO’s obligations to share reliability-related data pursuant to NERC and similar requirements
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Example Reference NERC standards
• http://www.nerc.net/standardsreports/standardssummary.aspx
• COM-001-1.1
• TOP-005-2a
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Transition of NERCnet to EIDSN
• NERC has moved to transition management and support of the reliability tools (RCIS, NERCnet, IDC) to the industry
• The “Eastern” Reliability Coordinators are establishing the Eastern Interconnection Data Sharing Network (EIDSN) and management entity to pick up NERCnet
• NERCnet is scheduled to become the EIDSN in 2014
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