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higher cost operations. – Gold Fields may from time to time establish currency financial instruments to protect underlying cash flows. ? Gold Fields has various currency and interest rate financial instruments those remaining are described in the schedule. It has been decided not to account for these instruments under the hedge accounting rules of IFRS 39, except for the debt portion of the interest rate swap which has been hedge accounted, and accordingly the positions have been marked to market. Gold Fields Limited 19 保值政策-示例 2 NIE Energy Supply 30 April 2023 Hedging Policy Statement 3 Hedging Policy In deciding whether a hedge should be purchased NIE Energy Supply will need to consider the impact on both the likely price and its variability. ? If a hedge both lowers the expected price and reduces variability it is likely to be an efficient purchase unless there is an available alternative product that does so to a greater extent. ? Similarly, if a hedge reduces variability without affecting the expected price it is likely to be an efficient purchase unless there is a superior product available. ? If a hedge raises the expected price but reduces variability, NIE Energy will need to take a view on the relative values of those impacts. In doing so it will be guided by its view of its customers’ preferences. In assessing the likely price level, NIE Energy will model the cost of SEM purchases, hedge costs and other costs in the circumstances of one or more sets of customer demand and pool price projections. In assessing the variability of the price level, NIE Energy will consider the likely variability in customer demand, including in response to weather variation, and of generation purchase, hedging and other costs, including in response to variations in pool prices, fuel prices, exchange rates and customer demand. Its calculations will be based on its evaluation of projections of pool prices and on models of demand and of risk, both of which will be transparent to NIAUR. In assessing whether a hedge should be secured for its regulated customer base, NIE Energy Supply will take into consideration an assessment of the extent to which the price level, economic conditions and petitive activity may potentially affect the level of forecast customer demand. In hedging costs related to tariffs for the 202310 year, NIE Energy Supply is conscious of both the current lack of sophistication of products and also the limited volumes of hedges available to do so. It will no