enable very substantial improvements in performance, efficiency, or cost of electricity as compared to the technology in existence on the date of enactment of this section. (c) Authorization of appropriations For activities under this section, there are authorized to be appropriated to the Secretary $1,275,000,000 for each of fiscal years 2021 through 2025. . B Deployment of Carbon Capture, Utilization, and Storage with Commercial-Scale Electricity Generation Facilities 121. Deployment of carbon capture, utilization, and storage technology with commercial-scale electricity generation facilities (a) In general Subtitle B of title IV of the Energy Policy Act of 2005 ( 42 U.S.C. 15971 et seq.) is amended by adding after section 417 the following: 418. Federal support for deployment of carbon capture, utilization, and storage with electricity generation (a) In general Subject to the limitations in subsection (b), the Secretary shall provide support for deployment and use of carbon capture, utilization, and storage at commercial-scale electricity generation facilities by entering into a contract for differences, which may not exceed a term of more than 30 years, to provide price certainty for the sale of the electricity generated by, or carbon dioxide captured by, an eligible power system to a third party. (b) Limitations (1) Initial cap Except as provided in paragraph (2), the Secretary may not provide support described in subsection (a)— (A) for eligible power systems with more than 3 gigawatt of cumulative electricity generating capacity