Sensitivity analysis of conservation opportunities in the irrigated agriculture sector of the Pacific Northwest
Description: This report summarizes the results of a sensitivity analysis of the cost effectiveness and energy-savings potential of conservation measures in the irrigation sector of the Pacific Northwest. This study examines the sensitivity of estimates of the cost effectiveness and energy-savings potential of conservation measures in the irrigation sector generated in a previous study (Harrer et al. 1985c) to changes in various types of input data parameters: reductions in purchase, installation and operating/maintenance costs for irrigation-sector conservation measures. Increases in the amounts of irrigation pumping head savings that would result from the use of the measures were also implemented in the sensitivity analysis. The assumptions used in the sensitivity analysis cause the analysis to represent a ''best-case'' scenario for the amount of energy that can potentially be saved through the implementation of irrigation-sector conservation measures in the Pacific Northwest and the costs per kWh saved for obtaining these savings. Under these ''best-case'' assumptions, it is estimated that approximately 207 average megawatts of electricity can potentially be saved by the year 2003 through the implementation of low-pressure irrigation, pump fittings redesign, increases in mainline size, and improved irrigation scheduling on new and existing irrigated acres. The majority of these savings (70%) can be obtained for a cost of 20 mills per kWh saved or less.
Date: July 1, 1985
Creator: Harrer, B.J.
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