(a) In general
(1) Enhanced geothermal systems technologiesThe Secretary shall support a program of research,development, demonstration, and commercial application of the technologies and knowledge necessary for enhanced geothermal systems to advance to a state of commercial readiness, including advances in—
(2) Enhanced geothermal systems reservoir stimulation
(A) ProgramIn collaboration with industry partners, the Secretary shall support a program of research,development, and demonstration of enhanced geothermal systems reservoir stimulation technologies and techniques. A minimum of 4 sites shall be selected in locations that show particular promise for enhanced geothermal systems development. Each site shall—
take advantage of an existing site where subsurface characterization has been conducted or existing drill holes can be utilized, if possible.