Effective UI in ABT
Concept of Effective Unscheduled Interchange Rate in Availability Base Tariff Introduction: Availability Base Tariff is tripartite tariff. Third part frequency linked unscheduled interchange rate indirectly provides open market for sale / purchase of power at desired rates without any agreement, consent or interaction with any agency. UI rate is variable from Rs 0.00 at 50.50 Hz to Rs 4.20 at 40.00 Hz. Any beneficiary can dump or draw power at prevailing rate. Consideration of effective UI rate was useful to Gujarat to fetch optimum benefit. Preface: Availability based tariff was introduced in India first time in western region from July 2002. Prime objective is to enforce self discipline by fiscal tool for power drawn/dump by beneficiary. Energy cost is linked to (KWH) units but unit rate is determined by supply and demand condition at any time. Hence energy accounting is necessary in short time block. Therefore energy accounting in ABT is for 96 blo...