; (B) $55,000,000 for fiscal year 2021; (C) $65,000,000 for fiscal year 2022; (D) $70,000,000 for fiscal year 2023; and (E) $70,000,000 for fiscal year 2024. In carrying out this section, the Secretary shall consider the balance between funds dedicated to construction and operations and research activities to reflect the state of site development. (4) Enhanced geothermal systems demonstrations (A) In general Beginning on the date of enactment of the Advanced Geothermal Energy Research and Development Act of 2019 , the Secretary, in collaboration with industry partners and institutions of higher education, shall support an initiative for demonstration of enhanced geothermal systems for power production or direct use. (B) Projects (i) In general Under the initiative described in subparagraph (A), demonstration projects shall be carried out in locations that are commercially viable for enhanced geothermal systems development, while also considering environmental impacts to the maximum extent practicable, as determined by the Secretary. (ii) Requirements Demonstration projects under clause (i) shall— (I) collectively demonstrate— (aa) different geologic settings, such as hot sedimentary aquifers, layered geologic systems, supercritical systems, and basement rock systems; and (bb) a variety of development techniques, including open hole and cased hole completions, differing well orientations, and stimulation mechanisms