; and (ii) ending on the earlier of— (I) the date that is 1 year after that date; and (II) the date on which the Secretary determines that— (aa) drought mitigation measures are still necessary in the Yakima River basin; or (bb) the power should no longer be provided for any other reason. (D) Rate (i) In general The Administrator of the Bonneville Power Administration shall provide project power under subparagraph (A) at the then-applicable lowest Bonneville Power Administration rate for public body, cooperative, and Federal agency customer firm obligations on the date on which the authority is provided. (ii) No discounts The rate under clause (i) shall not include any irrigation discount. (E) Local provider During any period for which project power is not provided under subparagraph (A), the Secretary shall obtain power to operate the Kachess Pumping Plant from a local provider. (F) Other costs The cost of power for pumping and station service, and the costs of transmitting power from the Federal Columbia River power system to the pumping facilities of the Yakima River Basin Water Enhancement Project, shall be borne by the irrigation districts receiving the benefits of the applicable water. (G) Duties of Commissioner For purposes of this paragraph, the Commissioner of Reclamation shall arrange transmission for any delivery of— (i) Federal power over the Bonneville system through applicable tariff and business practice processes of that system; or (ii) power obtained from any local provider. (d) Design and use of groundwater recharge projects The Secretary, in coordination with the State and the Yakama Nation, may provide technical assistance for, participate in, and enter into agreements, including with irrigation entities for the use of excess conveyance capacity in Yakima River Basin Water Enhancement Project facilities, for— (1) groundwater recharge projects