Energy

FERC Just Put the Rules for Connecting Big Loads on a 60-Day Clock

On June 18, 2026 FERC ordered all six US grid operators to justify or rewrite the rules for connecting data centers and large loads within 60 days. What it means for anyone planning power-hungry capacity.

EnergyBy Servola Tech Desk2026-07-054 min read4 views

AI-assisted, edited by humans. | Editor-in-Chief: Leon Soliman | Editorial standards

FERC Just Put the Rules for Connecting Big Loads on a 60-Day Clock

Key takeaways

On June 18, 2026 FERC issued show cause orders to all six US grid operators, giving them 60 days to justify or rewrite how data centers and other large loads connect to the transmission system, across markets serving roughly 200 million people and two thirds of jurisdictional demand.
The orders force a decision that had been left to slow stakeholder committees: how a new large load pays for the grid upgrades it triggers, so those costs do not quietly land on existing ratepayers.
For any owner planning power-hungry capacity, the connection rulebook you will actually be judged against is now being rewritten this quarter, not in a multi-year rulemaking.
The regulator explicitly wants operators to price flexibility, so a load that can curtail on demand may connect faster and cheaper than one that cannot.
Roughly a third of the country sits outside these markets and gets none of these protections, so where you build now changes the rules you face.

What the regulator actually did

On June 18, 2026 the Federal Energy Regulatory Commission issued six tailored show cause orders under Section 206 of the Federal Power Act, one to each grid operator it oversees: PJM, MISO, the California ISO, ISO New England, the New York ISO, and the Southwest Power Pool. Each operator now has 60 days to either justify the rules it uses to connect large loads or propose reforms. A show cause order is not a suggestion. It shifts the burden onto the operator to defend the status quo, and it opens a formal docket the Commission can act on.

The move follows an advance notice of proposed rulemaking that the Department of Energy directed FERC to open in October 2025, and staff review of more than 3,500 pages of comments. What changed on June 18 is the pace. Instead of one national rule ground out over years, FERC opened six regional investigations and told each operator to move now.

The five things operators must fix

FERC named five issues each operator has to address. The connection application and study process has to become faster and has to weigh alternative transmission technologies, such as advanced power flow control and dynamic line ratings, before defaulting to expensive new wires. Cost shifting has to be prevented, with financial security and transparency so a new load carries the upgrade costs it causes. Co-located generation and behind-the-meter setups need clear rules. Large loads that can flex their demand need transmission services that reward that flexibility. And generation built to serve an electrically proximate load needs its own study path.

Read together, these are the exact friction points that have made connection timelines unpredictable. The median wait for a US project to reach operation now approaches five years, and the interconnection backlog has swelled past 2,000 gigawatts. FERC is not adding capacity. It is trying to make the queue move and make the bill land in the right place.

Why this reaches your plans, not just the utilities

If your growth depends on getting a large, steady electrical load connected, whether that is a compute cluster, a plant expansion, or an electrified process, the terms you will be offered are being redrawn this quarter. Two shifts matter most. First, the price of flexibility is about to become explicit. FERC wants operators to offer services that reflect a load's ability to curtail, which means a facility engineered to power down on request may jump the queue and pay less than one that demands firm power around the clock. That is a design decision worth making before you file, not after.

Second, the cost-shift rules decide who pays for the substation and the wires. Operators are being pushed toward cost-recovery agreements that pin upgrade costs on the load that triggers them. Budget for the grid work as your cost, because the era of assuming a shared network absorbs it is closing.

Where the protection stops

These orders reach only the parts of the country run by an RTO or ISO, which former commissioner Allison Clements noted leaves roughly a third of Americans outside their scope. In vertically integrated utility territories there is no equivalent federal push, and the connection terms and cost treatment can look very different. That turns siting into a regulatory choice as much as a real-estate one.

The timeline is deliberately tight, and observers close to the operators expect governance fights over how fast each committee can actually file. Expect the six responses to diverge. The uniform national rulebook some hoped for is not what arrived. What arrived is six live proceedings that will reset connection terms market by market, and the outcome in your market is now the number to watch.

Frequently asked questions

Does this speed up my grid connection?

Not automatically. FERC is forcing operators to rewrite the rules that govern connection studies and cost allocation, and to reward loads that can flex. Whether your specific project connects faster depends on the reforms your operator files within its 60-day window and on how flexible your load is.

Who pays for the grid upgrades my load requires?

Increasingly, the load that triggers them. A central aim of the orders is to prevent large new loads from shifting network upgrade costs onto existing ratepayers, using financial security and cost-recovery agreements. Plan on carrying the upgrade cost yourself rather than assuming the network absorbs it.

Which grid operators are affected?

All six FERC-jurisdictional operators: PJM, MISO, the California ISO, ISO New England, the New York ISO, and the Southwest Power Pool. Together they serve about 200 million people and roughly two thirds of demand under FERC-jurisdictional rates. Vertically integrated utility areas are not covered.

The connection rulebook stopped being a fixed constraint and became a moving one. The owners who read the new terms early, and design loads that can flex, will connect on better terms than those who wait for the dust to settle.

FERCPJMMISOData Center InterconnectionGridRTO

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