Today’s LiveWire Spotlight addresses three NERC projects involving TPL-001 through TPL-004, intended to drive consistent continent-wide Transmission Planning practices. The recent approval of FERC on the interpretation from Project 2009-14 is a reverse from their previous directive that planners must simulate non-operational Protection Systems in single BES element failure analyses. In addition, the status of Project 2010-11 and Project 2006-02 is discussed.

The interpretation to TPL-002-0 R1.3.10 takes effect on October 24 in the US. FERC is still considering NERC’s comments on Table 1, footnote ‘b’. No deadline has been set for the completion of their deliberations.

LiveWire Spotlight on NERC’s Transmission Planning Projects sample

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