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HB 613

Relating to the interconnection of the ERCOT power grid to grids outside the ERCOT power region.

89th Legislature (2025) Introduced by Jon Rosenthal

HB 613 would establish procedures allowing ERCOT to interconnect with external power grids, potentially improving reliability but triggering federal regulation and reducing Texas's grid autonomy.

Referred to State Affairs
#electricreliabilitycounciloftexas(ercot)(v0167) #publicutilitycommission(v0023) #utilities--electric(i0831)
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Bill Summary · HB 613

Legislative bill overview

HB 613 addresses the technical and regulatory framework for connecting the ERCOT (Electric Reliability Council of Texas) power grid to electricity grids outside its current region. The bill would establish procedures or requirements for such interconnections, potentially allowing Texas power to be shared with neighboring grid operators or vice versa. This represents a significant shift in Texas's historically isolated electrical infrastructure.

Why is this important

Texas's ERCOT grid operates independently from the rest of the nation's power systems, which has both insulated the state from federal regulations and prevented it from accessing power during emergencies. Interconnecting with external grids could improve grid reliability during extreme weather events, increase competition and potentially lower prices, but would also subject Texas to federal oversight from NERC (North American Electric Reliability Corporation) and reduce operational autonomy. The 2021 winter storm that caused widespread blackouts reignited debate about whether interconnection could have prevented deaths and economic losses.

Potential points of contention

  • Federal regulatory authority: Interconnection would trigger FERC (Federal Energy Regulatory Commission) jurisdiction and NERC compliance, reducing Texas's independent control over its grid
  • Cost and infrastructure investment: Building transmission lines to connect grids requires substantial capital investment with unclear cost allocation among utilities and ratepayers
  • Energy market philosophy: Conflicts between those favoring Texas market independence/deregulation versus those prioritizing reliability through regional integration and oversight

Compiled from official sources — confirm details with the bill’s official record.

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