; (ii) be deployed at an installed energy capital cost, for the complete grid-integrated energy storage system, of less than $100 per kWh; (iii) have a minimum of 1 full deep charge and discharge cycle per day; (iv) have a minimum storage duration of 4 hours; and (v) have a lifetime of at least 20 years or at least 8,000 cycles of discharge at full output. (C) Authorization of appropriations There are authorized to be appropriated $45,000,000 to carry out this paragraph, to remain available until expended. .