; and (iii) the Secretary determines that it is appropriate to provide power under that subparagraph. (C) Period of availability Power under subparagraph (A) shall be provided until the date on which the Secretary determines that power should no longer be provided under that subparagraph, but for not more than a 1-year period or the period during which the Secretary determines that drought mitigation measures are necessary in the Yakima River basin. (D) Rate The Administrator of the Bonneville Power Administration shall provide power under subparagraph (A) at the then-applicable lowest Bonneville Power Administration rate for public body, cooperative, and Federal agency customers firm obligations, which as of the date of enactment of this section is the priority firm Tier 1 rate, and shall not include any irrigation discount. (E) Local provider During any period in which power is not being provided under subparagraph (A), the power needed to operate the Kachess Pumping Plant shall be obtained by the Secretary from a local provider. (F) Costs The cost of power for such pumping, station service power, and all costs of transmitting power from the Federal Columbia River Power System to the Yakima Enhancement Project pumping facilities shall be borne by irrigation districts receiving the benefits of that water. (G) Duties of commissioner The Commissioner of Reclamation shall be responsible for arranging transmission for deliveries of Federal power over the Bonneville system through applicable tariff and business practice processes of the Bonneville system and for arranging transmission for deliveries of power obtained from a local provider. (c) Design and use of groundwater recharge projects (1) In general Any water supply that results from an aquifer storage and recovery project shall not be considered to be a part of the total water supply available if— (A) the water for the aquifer storage and recovery project would not be available for use, but instead for the development of the project