; (ii) the proposed construction schedule; (iii) the market risk of the technology that the applicant seeks to demonstrate, as applicable; and (iv) the contractor history of the applicant. (B) Priority In providing a grant or cooperative agreement under this subsection, the Secretary shall give priority to projects that will provide greater net impact in avoiding or reducing emissions of greenhouse gases. (C) Other considerations In providing a grant or cooperative agreement under this subsection, the Secretary shall, to the maximum extent practicable, provide a grant or cooperative agreement for projects that— (i) represent a variety of end uses of hydrogen; (ii) will use at least 50 percent hydrogen blends by volume; (iii) demonstrate existing or planned regional availability of hydrogen; (iv) will generate the greatest benefit to low-income or disadvantaged communities; and (v) will maximize creation or retention of domestic jobs and provide the highest job quality. (5) Authorized projects A grant or cooperative agreement provided under this subsection may be used— (A) to carry out demonstration projects for end uses of hydrogen; (B) to construct a new commercial-scale facility that will use hydrogen as a fuel or feedstock; or (C) to retool, retrofit, or expand an existing facility determined to be qualified by the Secretary to enable use of hydrogen as a fuel or feedstock in industrial end-use applications of hydrogen, including at multiple points within a larger facility. (6) Requirements A demonstration project receiving a grant or cooperative agreement under this subsection shall— (A) use technologies that have completed pilot-scale testing or the equivalent, as determined by the Secretary; (B) on completion, demonstrate hydrogen technologies used by heavy industry