Relevant Requirements in Existing Proposed New/Revised Requirement Explanation of Proposed Revision Reliability Standard(s) Reliability Coordinator shall provide The proposed Requirement R4 maintains the part of existing Mapping to existing FAC standards the SOLs for its RC Area to adjacent FAC-014-3 Requirement R5 which requires the TC to send under revision: Reliability Coordinators within an the SOLs for its RC Area to adjacent RCs. The SDT has FAC-014-2 Requirement R5 – Interconnection and Reliability created a new/separate requirement related to communicating Requires the TOP to establish SOLs Coordinators who request and indicate a established IROLs (see proposed FAC-014-4 Requirement consistent with the RC SOL reliability-related need for those limits, R5). Methodology. and to the Transmission Operators, Transmission Planners, and Planning The SDT added Part 4.1 to require the RC to provide updates Coordinators within its Reliability to the SOLs to the impacted TOPs. It is expected that the RC Coordinator Area. and TOPs will establish a mutually agreeable means (pursuant The Reliability Coordinators shall to IRO-010-2 and TOP-003-3) for exchanging dynamically provide any updates to the SOL determined Facility Ratings or stability limitations. values established as part of Requirement R1 or Requirement R3 to impacted TOPs in its Reliability Coordinators Area in a mutually agreeable periodicity and format.
Proposed New/Revised Requirement Explanation of Proposed Revision Relevant Requirements in Existing Reliability Standard(s) Reliability Coordinator shall provide the SOLs for its RC Area to adjacent Reliability Coordinators within an Interconnection and Reliability Coordinators who request and indicate a reliability-related need for those limits, and to the Transmission Operators, Transmission Planners, and Planning Coordinators within its Reliability Coordinator Area. The Reliability Coordinators shall provide any updates to the SOL values established as part of Requirement R1 or Requirement R3 to impacted TOPs in its Reliability Coordinators Area in a mutually agreeable periodicity and format. The proposed Requirement R4 maintains the part of existing FAC-014-3 Requirement R5 which requires the TC to send the SOLs for its RC Area to adjacent RCs. The SDT has created a new/separate requirement related to communicating established IROLs (see proposed FAC-014-4 Requirement R5). The SDT added Part 4.1 to require the RC to provide updates to the SOLs to the impacted TOPs. It is expected that the RC and TOPs will establish a mutually agreeable means (pursuant to IRO-010-2 and TOP-003-3) for exchanging dynamically determined Facility Ratings or stability limitations. Mapping to existing FAC standards under revision: FAC-014-2 Requirement R5 – Requires the TOP to establish SOLs consistent with the RC SOL Methodology.