FERC Orders Six Grid Operators to Justify or Rewrite Rules for Large Power Users Within 60 Days

What FERC Actually Did

The Federal Energy Regulatory Commission voted to issue tailored show-cause orders to each of the six regional transmission organizations and independent system operators under its jurisdiction. The action, recorded under Docket RM26-4-000, invokes Section 206 of the Federal Power Act, which allows FERC to require utilities and grid operators to prove their existing rates and tariffs are "just and reasonable" or change them.

The six operators affected are PJM Interconnection, the Midcontinent Independent System Operator (MISO), Southwest Power Pool (SPP), the California Independent System Operator (CAISO), ISO New England, and the New York Independent System Operator (NYISO). Together, these entities manage the bulk of U.S. interstate electricity transmission.

Each operator now has 60 days to either justify its current tariff structure for large-load interconnection or file revisions addressing the Commission's identified concerns, according to Power Engineering.

The Problem FERC Is Trying to Solve

Interconnection queues—the waiting lists for new electricity users and generators seeking grid access—were designed for a slower era. Today, data centers and AI infrastructure facilities require massive, fast-ramping power connections that the existing study and application processes were never built to handle at scale.

Projects sit in queue for years. Grid operators conduct sequential studies. Costs shift in unpredictable ways between projects. The system jams up. Meanwhile, electricity demand is accelerating faster than at any point in recent memory.

FERC Chairman Laura V. Swett stated the Commission's rationale: "We are setting the stage for a resilient, reliable, and forward-thinking grid that empowers communities and safeguards consumers by transforming the way large energy users access the grid. It is critical that FERC provide certainty for investors by directing the markets to protect existing deals and unlock opportunities for technological advancement and economic expansion."

Five Areas Under the Microscope

The orders target five categories of reform that each grid operator must address:

1. Developing more efficient transmission service application and study processes, including consideration of alternative transmission technologies
2. Preventing cost-shifting—existing ratepayers and other interconnection customers shouldn't absorb costs generated by large new loads
3. Rules specific to co-located generation, where a large energy user brings its own power source onto the same site
4. Operational and reliability requirements unique to large loads
5. Protections for existing interconnection agreements already in place

The co-location piece is particularly significant. Data centers and AI campuses increasingly pair with on-site generation—natural gas, nuclear, or renewables—which creates regulatory ambiguity about how they interact with the broader grid. FERC is forcing each region to confront that ambiguity directly.

The Legitimate Concern on the Other Side

Critics of aggressive large-load interconnection reform have a real point: fast-tracking massive industrial power users onto the grid can benefit the tech sector while pushing upgrade and reliability costs onto ordinary residential and small-business ratepayers who had nothing to do with the demand surge. If the cost-shifting problem isn't solved before new tariffs are approved, rural and lower-income households could end up subsidizing hyperscale infrastructure for the largest corporations on earth.

FERC's orders explicitly name cost-shifting prevention as one of the five reform categories, suggesting the Commission is aware of the concern. Whether the eventual tariff filings from grid operators actually deliver on that protection won't be answered until those filings arrive and are reviewed.

Why This Is Significant

FERC rarely moves this broadly or this fast. Issuing tailored show-cause orders to all six major grid operators simultaneously, rather than handling complaints region by region, reflects how urgent the Commission considers the mismatch between demand growth and interconnection capacity.

The action does NOT guarantee specific tariff outcomes. It guarantees a hard deadline: each operator must respond with substance within 60 days. FERC then reviews those responses and can accept them, reject them, or order further changes.

No charges have been filed against any grid operator. The show-cause process is regulatory, not punitive. But FERC has clear authority under Section 206 to impose tariff changes if an operator's justification fails to satisfy the Commission.

What Comes Next

The 60-day response window is the immediate deadline to watch. After submissions arrive, FERC will evaluate whether each region's proposed or defended tariff structure adequately addresses large-load interconnection. The Commission's five reform categories will serve as the grading rubric.

The unresolved question: whether faster interconnection for data centers and AI facilities can be achieved without transferring meaningful costs to the residential customers and small businesses who make up the majority of ratepayers in every region these six operators serve.