By Sam Coffey, NERC Reliability Specialist
FERC and ERCOT Are Getting Bold to Finally Fix the Grid Squeeze &
FERC Launches Aggressive Targeted Action to Speed Large Load Integration
Summary
FERC has initiated a significant set of reforms addressing the rapidly growing large-load demand, particularly from data centers. The Commission issued tailored show-cause orders under Section 206 of the Federal Power Act, directing Regional Transmission Organizations (RTOs), Independent System Operators (ISOs), and transmission owners to either justify existing tariff provisions, or file revisions. The action reflects a broader federal effort to accelerate interconnection timelines while maintaining reliability and protecting ratepayers. “We are setting the stage for a resilient, reliable, and forward-thinking grid that empowers communities and safeguards consumers…” FERC News Release (June 18, 2026).
Key Highlights
- FERC issued tailored show-cause orders to six RTOs/ISOs (PJM, MISO, SPP, CAISO, ISO-NE, NYISO). FERC News Release (June 18, 2026).
- FERC requires RTOs/ISOs and their transmission owners to either justify or revise tariff provisions governing large-load interconnection within 60 days. FERC News Release (June 18, 2026).
- Within 30 days, RTOs/ISOs and transmission owners must submit explanations on how they will ensure adequate generation to serve existing and new large loads. FERC News Release (June 18, 2026).
- Orders address cost allocation, co-location, behind-the-meter arrangements, and flexible large-load integration. FERC News Release (June 18, 2026).
- ERCOT’s Batch Zero process groups large-load interconnection requests (~100 GW) to evaluate system needs collectively. Energy Central analysis (June 2026).
“We can facilitate both [reliability and innovation], which is exactly what we did today.” — FERC Chairman Laura V. Swett. FERC News Release (June 18, 2026).
“The orders mark one of the most significant actions the Commission has taken to modernize the nation’s electric markets and push the economy into the future by speeding integration of large energy users onto the grid with additional rigorous consumer safeguards.” FERC News Release (June 18, 2026).
Outstanding Issues / Risks
- Timing mismatch: large loads can be deployed in 1–2 years, while generation and transmission development can take significantly longer. Industry analysis of interconnection constraints.
- Queue bottlenecks: interconnection study backlogs remain a structural constraint on new load and generation. Industry analysis of grid congestion.
- Cost allocation: regulators must prevent undue cost shifting to existing ratepayers while enabling new load growth. FERC News Release (June 18, 2026).
