SASKPOWER OPEN ACCESS TRANSMISSION TARIFF

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SASKPOWER OPEN ACCESS TRANSMISSION TARIFF9. Maintenance of Facilities9.1. The Network Operating Committee shall establish procedures to coordinate themaintenance schedules of the generating resources and transmission and substationfacilities, to the greatest extent practical, to ensure sufficient transmission resources areavailable to maintain system reliability and reliability of service. By [insert date] of eachyear, the Transmission Customer shall provide to SaskPower the maintenance schedulesand planned outages of each Network Resource for the next year and update theinformation at least thirty (30) days in advance of the date specified for the forecastedmaintenance outage. Such information shall include, but not be limited to, the expectedtime the unit will be separated from the system and the time at which the unit is availablefor:(a)(b)(c)Synchronizing parallel operation;Loading; andIf applicable, to be put on automatic generation control.9.2. The Transmission Customer shall obtain:(a)(b)Concurrence from SaskPower, at least seventy-two (72) hours before beginningany scheduled maintenance of its facilities; andClearance from SaskPower when the Transmission Customer is ready to beginmaintenance on a Network Resource, transmission line, or substation (operated at____ kilovolt and above).The Transmission Customer shall immediately notify SaskPower at the time whenunscheduled or forced outages end. The Transmission Customer shall notify andcoordinate with SaskPower prior to re-paralleling the Network Resource, transmissionline, or substation.9.3. Maintenance schedules will be posted on an electronic bulletin board.10. Load Shedding10.1. The Parties shall implement load shedding programs to maintain the reliability andintegrity as provided in Section 29 of the Tariff. Load shedding shall include:(a)(b)(c)Automatic load shedding;Manual load shedding; andRotating interruption of customer load.SaskPower will order load shedding to maintain the relative sizes of load served, unlessotherwise required by circumstances beyond the control of SaskPower or thePage | 129
SASKPOWER OPEN ACCESS TRANSMISSION TARIFFTransmission Customer. Automatic load shedding devices will operate without notice.When manual load shedding or rotating interruptions are necessary, SaskPower shallnotify the Transmission Customer's dispatchers or schedulers of the required action andthe Transmission Customer shall comply immediately.10.2. The Transmission Customer shall, at its own expense, provide, operate and maintain inservice high-speed digital under frequency load-shedding equipment. The TransmissionCustomer's equipment shall be:(a)(b)Compatible and coordinated with SaskPower's Transmission Service Tariff loadshedding equipment; andSet for the amount of load to be shed with frequency trips and tripping timeconsistent with SaskPower System Planning requirements.In the event SaskPower modifies the load-shedding system, the Transmission Customershall, at its expense, make changes to the equipment and setting of such equipment, asrequired by SaskPower. The Transmission Customer shall test and inspect the loadsheddingequipment within 90 days of taking Long-Term Service under the Tariff and atleast once each year thereafter and provide a written report to SaskPower. SaskPowermay request a test of the load-shedding equipment with reasonable notice.11. Recognition of Power and Energy Flow11.1. The Parties recognize that:(a)(b)(c)SaskPower's Transmission System is, and will be, directly or indirectlyinterconnected with Transmission Systems owned or operated by others;The flow of power and energy between such systems will be controlled by thephysical and electrical characteristics of the facilities involved and the manner inwhich they are operated; andPart of the power and energy being delivered under this Agreement may flowthrough such other systems rather than through the facilities of SaskPower.The Network Operating Committee shall, from time to time as necessary, determinemethods and take reasonably appropriate action to assure maximum delivery of powerand energy at the points of receipt and delivery and at such additional or alternate pointsof receipt and delivery as may be established by the Parties.11.2. Each Party will at all times cooperate with other interconnected systems in establishingarrangements or mitigation measures to minimize operational impacts on each other'ssystems.11.3. Each Party recognizes that a Party's proposed new interconnection or modification of anexisting interconnection between that Party's system and the system of a third party, mayPage | 130
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SASKPOWER OPEN ACCESS TRANSMISSION TARIFF

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