HB 5590

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
(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.