; and (B) gives priority to businesses located in, or resources common to, the State or the geographical area in which the project is carried out. (h) Reporting Each recipient of a grant under this section shall submit to the Secretary, at such time as the Secretary may require, a report describing the use of such funds for energy improvements, the estimated cost savings realized by those energy improvements, the results of any audit, the use of any utility programs and public benefit funds and the use of performance tracking for energy improvements (such as the Department of Energy: Energy Star program or LEED for Existing Buildings). (i) Best practices The Secretary shall develop and publish guidelines and best practices for activities carried out under this section. (j) Authorization of appropriations There is authorized to be appropriated to carry out this section $100,000,000 for each of fiscal years 2018 through 2022. C Energy Supply Infrastructure 1 Low-Income Solar 33101. Short title This part may be cited as the Low-Income Solar Act of 2017 . 33102. Loan and grant program for solar installations in low-income and underserved areas (a) Definitions In this section: (1) Administrative expenses The term administrative expenses has such meaning as may be established by the Secretary. (2) Community solar facility The term community solar facility means a photovoltaic solar electricity generating facility that, as determined by the Secretary— (A) through a voluntary program, provides electric power or financial benefit to, or is owned by, multiple community members; (B) has a nameplate rating of 2 megawatts or less; (C) is located in or near a community of subscribers; and (D) the owner or operator of which reserves not less than 25 percent of the quantity of electricity generated by the facility for low-income households that are subscribers to the facility. (3) Eligible entity The term eligible entity means— (A) a low-income household; (B) a unit of State, territorial, or local government; (C) an Indian Tribe