Transmission Reliability Margin or “TRM” shall mean the amount of transmission transfer capability necessary to provide reasonable assurance that the interconnected transmission network will be secure. TRM accounts for the inherent uncertainty in system conditions and the need for operating flexibility to ensure reliable system operation as system conditions change.
Interconnected Reliability Operating Limit or “IROL” shall mean the value (such as MW, MVAR, Amperes, Frequency, or Volts) derived from, or a subset of, the System Operating Limits, which if exceeded, could expose a widespread area of the bulk electrical system to instability, uncontrolled separation(s) or cascading outages.
Retail margin means an amount, reflecting differences in
Operating Margin Customer means a Control Area purchasing Operating Margin pursuant to an agreement between such other Control Area and the LLC.
Equipment with Specific Operational Limits means any Equipment related to the thermal oxidation of waste or waste derived fuels, fume incinerators or any other Equipment that is specifically referenced in any published Ministry document that outlines specific operational guidance that must be considered by the Director in issuing of a Certificate of Approval.