; and (B) update that map not less frequently than once each year. (d) Publication of data and map The Commission and the Secretary shall make the data submitted under subsection (a) and the map described in subsection (c)(2) publicly available on the websites of— (1) the Commission; and (2) the Department of Energy. 5. Grid-enhancing technology application guide (a) Definition of developer In this section, the term developer means a developer of transmission facilities or transmission technologies, including a developer of transmission facilities or transmission technologies that pays to install grid-enhancing technology with respect to those transmission facilities or transmission technologies. (b) Establishment of application guide Not later than July 1, 2025, the Secretary shall establish an application guide for utilities and developers seeking to implement grid-enhancing technologies. (c) Updates The guide established under subsection (b) shall be reviewed and updated annually. (d) Technical assistance (1) In general On request of a utility or developer using the guide established under subsection (b), the Secretary shall provide technical assistance to that utility or developer with respect to the use of grid-enhancing technologies for particular applications. (2) Clearinghouse In carrying out paragraph (1), the Secretary shall establish a clearinghouse of previously completed grid-enhancing technology projects that the Secretary, utilities, and developers may use to identify issues and solutions relating to the use of grid-enhancing technologies for particular applications. (e) Authorization of appropriations There are authorized to be appropriated to carry out this section, to remain available until expended— (1) $5,000,000 for fiscal year 2024; and (2) $1,000,000 for each of fiscal years 2025 through 2035.