; and (B) grid-enhancing technology that relates to existing transmission facilities or technologies. (e) Limitations (1) Minimum savings (A) In general The shared savings incentive established under subsection (b) shall apply with respect to an investment in grid-enhancing technology only if the expected savings attributable to the investment over the 3-year period described in subsection (c)(2), as determined by the Commission, are at least 4 times the cost of the investment. (B) Determination (i) In general The Commission shall determine how to quantify the cost of an investment and the expected savings attributable to an investment for purposes of subparagraph (A). (ii) Costs For purposes of subparagraph (A), the cost of an investment may include any costs associated with the permitting, installation, or purchase of the applicable grid-enhancing technology. (2) Already installed gets The shared savings incentive established under subsection (b) may not be applied with respect to grid-enhancing technology that is already installed as of the date of enactment of this Act. (3) Consumer protection The Commission shall determine appropriate consumer protections for the shared savings incentive established under subsection (b). 4. Congestion reporting (a) In general Beginning on the date that is 1 year after the effective date of the rule promulgated under subsection (b), all operators of transmission facilities or technologies shall submit to the Commission annual reports containing data on the costs associated with congestion management with respect to the transmission facilities or technologies. (b) Rulemaking Not later than July 1, 2025, the Commission shall promulgate a final rule establishing a universal metric and protocol for the measuring and reporting of data under subsection (a). (c) Uses of data (1) Analyses (A) In general The Commission and the Secretary shall each use the data submitted under subsection (a) to conduct analyses, as the Commission or the Secretary, as applicable, determines to be