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uGS2 Power - An average power cost for each acre-foot of water pumped was developed from current monthly power rate charges for irrigation energy provided by electric cooperatives serving the South Platte Valley between Fort Morgan and Julesburg. The average cost per acre-foot pumping from a 50-foot depth is $3.99 which represents 125 kWh. The total energy use for 42,600 acre-feet would be 5,700 MWh/year (equivalent to 3,350 barrels of oil annually) with a maximum power demand of 5 ~~. Economic Analysis Benefit Determination The ground-water recharge proposal would be a single purpose irrigation proposal. Some 45,700 acre-feet of water would be made available to irrigators as a result of the ground-water recharge. This amount of water would provide an equivalent full water supply to approximately 21,600 acres of land. A new land equivalent method of benefit evaluation was used because of the large area which could be served and the method of service. Wells pumping the ground water could be supplemental to surface supplies or could provide the total supply to a field, thus freeing surface water for use on other fields. This is the same analytical procedure that is utilized for the Narrows Unit. The investment for wells, pumps, and motors as well as their annual operating costs has been included in the "with" condition farm budgets. Irrigation Benefits Analysis Farm budgets for the "with" and "without" future situation were prepared and used to determine the irrigation benefits attributable to the proposed development, Direct irrigation benefits are the increased net farm income that would occur as a result of construction of the ground-water recharge fac i1 i ties, New water estimated to be available for determination of gross irrigation benefits consists of 45,700 acre-feet available at the fa rms . 52