89R9644 SCR-D By: Parker S.B. No. 2315 A BILL TO BE ENTITLED AN ACT relating to a cost overage exemption for interconnection of advanced nuclear reactors to the ERCOT transmission system. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Section 35.004(d-2), Utilities Code, is amended to read as follows: (d-2) Costs in excess of the transmission-owning utility allowance provided by Subsection (d-1) incurred to interconnect generation resources with the ERCOT transmission system must be directly assigned to and collected from the generation resource interconnecting through the facilities. This subsection does not apply to excess costs incurred to interconnect a generation resource that is an advanced nuclear reactor. For purposes of this subsection, an advanced nuclear reactor is a fission-based reactor belonging to one of the following categories: (1) a large reactor, with a generation capacity between 400 and 1400 megawatts of electricity; (2) a small modular reactor, with a generation capacity between 50 and 400 megawatts of electricity; or (3) a microreactor, with a generation capacity of less than 50 megawatts of electricity. SECTION 2. This Act takes effect September 1, 2025.