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Bulk Electric System Definition Task Force Update
Reliability Policy Issues CommitteeApril 28, 2010
Brian TheakerBESDTF Chair
Today’s Update
● FERC BES NOPR
● Proposals 4 & 5
● Material Impact Assessment
● Schedule
● Questions
1.2
FERC BES NOPR
● NERC to modify BES definition to eliminate RE discretion
● Allow for NERC/FERC-approved facility exclusion
● Consistent with BESDTF direction
● Comments due 5/10 BESDTF will provide input to WECC comments Exemptions: Method vs. facility by facility
1.3
Proposal 4
● Comments focused on: Distribution Network exclusion
General support, but cannot define
Points of demarcation Support, want detailed examples
Exclusion for non-represented Elements Split, no consensus
1.4
Material Impact Assessment
● March 30 BES/TSS/WECC meeting
● Some progress:● General consensus around “significant” impact test
● Further thinking around “widespread” impact test● Electrical dispersion of indicator buses
● Additional work needed from TSS
● Consensus principles articulated
1.5
Schedule
● April 16: Response to comments on P4
● April 28-30: TSS recommendation on MIA
● May 7: Post P5 with MIA (45-day)
● June 10-11: Update to OC
● July/August: Additional proposal/comments
● September 21: Post proposal for OC approval
● October 21-22: OC consideration
● December 8-10: Board consideration
1.6
Questions?
For every complex problem there is an answer that is clear, simple, and wrong.
H.L. Mencken
Things should be made as simple as possible, but not any simpler.
Albert Einstein
Brian TheakerChair, BESDTF
