identified by the Secretary, in consultation with the Secretary of Energy, . (c) National limitation relating to energy storage property Section 48(a)(5) of such Code is amended by adding at the end the following new subparagraph: (F) National limitation relating to energy storage property (i) In general The amount of credit which (but for this subsection) would be allowed with respect to all equipment described in subsection (a)(3)(A)(viii) for any taxable year shall not exceed the national megawatt capacity limitation for energy storage property allocated to the project of which such equipment is a part. (ii) Amount of national credit limitation (I) In general The aggregate amount of national megawatt capacity limitation allocated to projects under clause (i) shall not exceed 20,000 megawatts. (II) Limitation on lithium ion electric storage batteries The Secretary shall ensure that not more than 15,000 megawatts of the national megawatt capacity limitation are allocated to projects for lithium ion electric storage batteries, in an effort to facilitate the deployment of a diverse suite of technological designs. (iii) Allocation (I) Establishment of program Not later than 180 days after the date of enactment of this subparagraph, the Secretary, in consultation with the Secretary of Energy, shall develop a process to allocate national megawatt capacity limitation under this subparagraph. (II) Applications Each applicant for allocations under this subparagraph shall submit an application to the Secretary. The Secretary shall issue a determination as whether an applicant has been allocated national megawatt capacity limitation not later than 60 days after the date of the submission of a completed application under this subclause. (III) Time limit on beginning and completing construction An allocation of national megawatt capacity limitation under this clause shall be void unless the taxpayer begins construction of the project not later than the date which is 1 year after the date on which such allocation is made