By Saf Malik | Senior Content and Insights Manager
Published with analysis on grid infrastructure, regional transmission organizations, and the intersection of artificial intelligence and power generation.
Executive Overview
The collision between skyrocketing energy demand from artificial intelligence and the physical realities of the American power grid has reached a critical inflection point. Five of the nation’s six major regional grid operators have chosen to hit the pause button rather than comply with a strict Federal Energy Regulatory Commission (FERC) deadline to reform their electricity tariffs for large-load interconnections.
The developments underscore a glaring structural disconnect: while federal regulators push for "speed to power" to accommodate gigawatt-scale data centres, regional transmission organizations (RTOs) and independent system operators (ISOs) find themselves bogged down by complex stakeholder processes, infrastructural deficits, and an unprecedented surge in speculative interconnection requests.
On June 18, FERC issued high-stakes show-cause orders to PJM Interconnection, the Midcontinent Independent System Operator (MISO), the Southwest Power Pool (SPP), the California Independent System Operator (CAISO), ISO New England (ISO-NE), and the New York Independent System Operator (NYISO). The commission gave these regional bodies 60 days—with a deadline of August 17—to either justify their existing tariffs regarding large-load and data centre interconnections or put forward comprehensive reforms.
Crucially, FERC also carved out a 45-day window ending August 3, allowing operators to request an abeyance: a formal pause of up to 90 days designed to let grid operators develop reform proposals through their internal stakeholder mechanisms.
When the dust settled, five of the six entities—PJM, MISO, SPP, ISO-NE, and NYISO—opted for the abeyance pathway, kicking the can down the road and formalizing further delay in a sector already suffering from severe infrastructural bottlenecks. Only CAISO chose to forge ahead with substantive policy proposals, releasing a targeted framework that establishes a 50 MW threshold for large loads.
For data centre developers, hyperscalers, and investors pouring billions of dollars into next-generation digital infrastructure, the wave of abeyances signals continued uncertainty across most of the country’s premier power markets. As demand accelerates, the race to secure reliable, continuous baseload power is running head-first into regulatory inertia.
Detailed Chronology: The Timeline of a Regulatory Standstill
To understand how the grid operators arrived at this collective plea for more time, it is essential to trace the precise sequence of events following FERC’s June intervention.
June 18: The FERC Show-Cause Orders
Reacting to mounting warnings that the explosive growth of AI-driven data centres was outpacing local generation capacity, FERC issued sweeping show-cause orders. The directive targeted the nation’s primary RTOs and ISOs, demanding that they evaluate their existing rules for connecting large industrial loads—specifically data centres, cryptocurrency mines, and hydrogen production facilities—to the transmission grid.
FERC expressed mounting concern that legacy rules, designed for a slower-moving, more predictable industrial landscape, were inadequate for managing the speed and density of modern tech loads. The orders established a strict 60-day compliance clock (targeting August 17 for tariff reforms) while establishing the August 3 cutoff for abeyance requests.
July 28: PJM Breaks from the Pack
Recognizing the sheer complexity of reforming rules in the country’s largest wholesale electricity market—which spans 13 states and the District of Columbia—PJM Interconnection filed its motion for abeyance early. PJM argued that its existing stakeholder groups needed additional time to craft durable, equitable rules that would not inadvertently destabilize reliability or unfairly shift costs onto residential and small commercial ratepayers.
August 3: The Abeyance Wave
The official deadline for abeyance requests saw a synchronized rush from the remaining grid operators. MISO, SPP, CAISO, ISO-NE, and NYISO all formally petitioned FERC for up to 90 days of relief from the August 17 tariff submission deadline.
The petitions drew immediate scrutiny and broad participation from industrial customer coalitions, major independent power producers like Constellation Energy, and state regulatory committees. While most stakeholders supported giving regional operators breathing room to craft sound policies, dissent emerged. Most notably, American Municipal Power formally opposed MISO’s abeyance request, arguing that the RTO failed to satisfy the legal standard of diligence and necessity established in FERC’s original June order.
August 12: CAISO Moves to Substance
Bucking the broader trend of delay, CAISO became the sole operator to transition from procedural maneuvers to substantive policy reform. On August 12, the California operator published a comprehensive straw proposal addressing its show-cause mandate.
The framework introduced two new flexible interconnection services tailored to the unique operational profiles of massive data centres and established a clear 50 MW threshold to define what constitutes a "large load." FERC subsequently granted CAISO’s abeyance request, capping it at the maximum 90-day window and establishing a hard deadline of November 16 for its enforceable Section 205 tariff filing. FERC officials made it clear during the ruling that they would view any subsequent requests for extensions with extreme skepticism.
Supporting Context & Metrics: The Scale of the Power Gap
The reluctance of grid operators to rush their tariff reforms is rooted in a sobering reality: the American power grid is experiencing a structural deficit driven by the simultaneous retirement of reliable fossil-fuel plants and an exponential vertical spike in electricity demand.
[Traditional Industrial Load Growth] ─────────────────► (Stable, Predictable)
[AI & Hyperscale Data Centre Demand] ▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲► (Vertical Surge / Gigawatt-Scale)
[New Generation & Transmission Additions] ──► (Lagging / Bottlenecked)The AI Demand Shock
For decades, electricity demand in the United States grew at a modest, predictable rate of roughly 0.5% to 1% annually. The advent of generative artificial intelligence, machine learning clusters, and massive hyperscale cloud facilities has upended these forecasting models. Modern AI data centres frequently require anywhere from 100 megawatts to over a gigawatt of continuous, 24/7 power—equivalent to the energy consumption of a mid-sized city.
Interconnection Backlogs and Regional Disparities
Grid operators are already drowning in historic interconnection queues. According to recent industry data, hundreds of gigawatts of new generation and storage capacity are trapped in administrative and engineering review backlogs across the United States.
However, the progress toward resolving these backlogs is profoundly uneven across regions:
- PJM & SPP: These operators have previously earned praise from FERC for implementing proactive large-load governance. PJM introduced specialized co-location rules to handle behind-the-meter generation requests (such as data centres directly plugged into nuclear plants), while SPP formulated its High Impact Large Load framework.
- MISO & NYISO: By contrast, these operators are still grappling with the foundational work of defining what constitutes a large load through protracted working groups. NYISO’s administrative stall mirrors New York’s broader systemic struggles—including a massive 12-gigawatt interconnection queue sitting stubbornly behind the state’s de facto moratoriums and complex environmental reviews. With the abeyance granted, NYISO and MISO now have until mid-November at the earliest to translate working-group debates into formal proposals.
The Texas (ERCOT) Parallel
While the FERC-regulated RTOs grapple with federal show-cause orders, independent markets are facing parallel crises. In Texas, the Electric Reliability Council of Texas (ERCOT) has hit the pause button on new large-load approvals while executing a comprehensive audit of more than 300 pending projects. To separate serious developers from speculative land-grabbers, private capital markets in Texas have stepped in to underwrite the stringent new interconnection financial deposits required by ERCOT, transforming power procurement into an elite, high-stakes financial game.
Official Statements & Stakeholder Reactions
The division between federal regulatory ambitions and regional operational realities has sparked intense debate among industry stakeholders, utilities, and consumer advocates.
The Federal Regulatory Perspective
FERC’s June 18 orders reflected an acute awareness that time is running out. Commission leadership emphasized that unchecked, uncoordinated large-load interconnections threaten wholesale market pricing stability and system reliability. In granting CAISO’s abeyance with a strict November 16 deadline, FERC telegraphed a clear message: while the commission is willing to grant temporary procedural relief, it will not tolerate indefinite stalling disguised as stakeholder engagement.
The Regional Operators and Utilities
In their filings, RTO executives stressed that rushing tariff redesigns could introduce fatal legal vulnerabilities and technical flaws into wholesale markets.
"Our stakeholder process is designed to balance the competing interests of transmission owners, load-serving entities, state public utility commissions, and new market entrants," noted an anonymized utility representative tracking the MISO proceedings. "A rushed tariff filed under duress is a recipe for litigation, regulatory rejection, and unintended grid instability."
Consumer Advocates and Municipal Power
The pushback from entities like American Municipal Power highlights simmering anxiety over who will ultimately foot the bill for system upgrades. Consumer advocates argue that without rigorous cost-allocation frameworks, everyday ratepayers will subsidize the massive transmission line extensions, substation upgrades, and new generation assets required to feed hyper-scale artificial intelligence hubs.
Future Outlook: What Lies Ahead for Data Centre Developers
As the calendar turns toward the autumn deadlines, the near-term landscape for digital infrastructure developers remains fraught with regulatory headwinds and operational uncertainty.
1. The November Deadlines and Section 205 Filings
With FERC capping abeyances at 90 days, the true moment of truth will arrive in mid-November 2025. By this time, CAISO must submit its enforceable Section 205 filing based on its straw proposal, while MISO, SPP, ISO-NE, and NYISO will be forced to present their definitive tariff reforms. These filings will set the precedent for how data centre operators secure power for the remainder of the decade.
2. The Rise of Behind-the-Meter and Non-Traditional Solutions
Because traditional grid interconnection timelines now routinely stretch from three to seven years, hyperscalers are increasingly abandoning standard queue processes. Developers are aggressively pursuing behind-the-meter arrangements—pairing data centres directly with nuclear power plants, dedicated natural gas turbines, or massive solar-plus-storage microgrids. These bespoke solutions bypass traditional RTO transmission queues entirely, though they introduce complex regulatory battles over local air quality, retail utility monopolies, and wholesale market participation.
3. Investment and Site Selection Realignments
Site selection for data centres is no longer driven primarily by fiber connectivity, tax incentives, or proximity to end-users. Today, power availability is the ultimate master variable. Developers are abandoning saturated markets like Northern Virginia’s Data Centre Alley in favor of secondary and tertiary markets where local utilities still possess uncommitted generation capacity and cooperative regulatory commissions.
Conclusion
FERC’s show-cause orders were intended to jolt regional grid operators into immediate action against the AI power crunch. Instead, the overwhelming wave of abeyance requests has laid bare the institutional friction slowing down American energy infrastructure. For the data centre industry, the message is unequivocal: the path to powering the artificial intelligence revolution will be slower, more expensive, and far more administratively complex than previously imagined.
Related reading: The Power Gap: How Data Centres Can Overcome Their Biggest Limiting Factor | New York Data Centre Moratorium: Who Will Get Off Unscathed?
