Senate Bill 4 clears House after extended debate over reliability, costs and consumer protections

The Missouri House on March 12 approved Senate Substitute No. 2 for Senate Bill 4, a 33‑page package described on the floor as the "Power, Predictability and Reliability Act," by a recorded vote the clerk announced as 96 ayes and 44 nays.

Why it matters: Sponsors and supporters said the measure is intended to ensure grid reliability, spur replacement generation capacity (including natural‑gas and possibly small modular reactors in future), and keep Missouri competitive for energy‑intensive economic development projects. Opponents warned the bill could raise residential utility bills, increase fossil‑fuel generation, and transfer financial risk to ratepayers through provisions such as construction work in progress (CWIP) and future‑test‑year accounting.

On the floor, the sponsor identified as the Representative from Clay County opened debate by framing the bill as a bipartisan, negotiated package that reduces regulatory barriers to build new generation, strengthens Public Service Commission (PSC) oversight and includes consumer protections. "When we flip the switch, our lights come on," the sponsor said, arguing the bill protects households and businesses from volatile open‑market prices during tight supply periods.

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