By Data Center Infrastructure News & Events · Tuesday, November 10, 2026 · 4 min read

The 'Talen Precedent' and the End of the Behind-the-Meter Shortcut

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The 'Talen Precedent' and the End of the Behind-the-Meter Shortcut

On November 1, 2024, the Federal Energy Regulatory Commission voted 2-1 to reject an amended interconnection service agreement that would have let Talen Energy sell up to 480 MW of co-located power from its Susquehanna nuclear plant to an Amazon Web Services data center, up from 300 MW under the existing deal. That single order, now cited across the industry as the "Talen Precedent," is the reason operators who assumed they could wire a data center straight to a reactor and skip the PJM queue are back in line with everyone else.

What FERC actually rejected

The order did not kill the Susquehanna arrangement outright. PJM had argued the non-conforming provisions in the amended ISA were necessary, but the Commission found PJM failed to show "specific reliability concerns" or "unique factors" that justified bypassing standard interconnection rules, according to the FERC order dated November 1, 2024. Commissioner Mark Christie, concurring, warned that such co-location arrangements could have "huge ramifications for both grid reliability and consumer costs."

Who pays: the 10-Q

Talen's own Form 10-Q for the quarter ended June 30, 2026, filed with the SEC on August 5, 2026, is the document that answers the question FERC's order left open. The 300 MW phase is operational. The 480 MW amendment is dead. The filing states plainly that the inability to secure the larger ISA has shifted the "financial burden of transmission upgrades" onto the commercial parties — Talen and AWS — rather than spreading it across the PJM footprint the way the original deal would have. Talen says it is still pursuing "commercial solutions" to get around the bottleneck, but the filing does not describe what those solutions look like or when they might materialize.

Talen's position: proceed on what's allowed

Talen pushed back immediately. In a statement dated November 3, 2024, the company said FERC "erred" and warned the ruling would have a "chilling effect on economic development" across Pennsylvania, Ohio and New Jersey. But the same statement conceded the practical limit: the existing ISA still allows 300 MW of co-located load at Susquehanna, and Talen said the first phases of the AWS campus would proceed on that basis. Talen's argument for the model itself was blunt — co-location, the company said, "brings service to the customer quickly and without expensive transmission upgrades."

The appeal stalled

Talen took the rejection to the Fifth Circuit. FERC's response, filed October 3, 2025, argued the appeal was effectively moot because Talen had already moved forward on the 300 MW the agreement permits, and that any expansion beyond that threshold would have to meet "pro forma" interconnection standards. No special exception for nuclear co-location, FERC said.

FERC turns the ruling into a rule

What started as a single-project rejection became policy. On June 18, 2026, FERC issued a directive instructing RTOs, PJM included, to adopt standardized tariff rules for any load co-located with generation, rather than negotiating each arrangement as a one-off ISA amendment. The order replaces case-by-case review with a formal "High Impact Large Load" study track that applies regardless of how much capacity a project wants.

PJM had already begun adjusting. In a post dated June 17, 2026 — one day before FERC's directive — PJM Inside Lines introduced an "Expedited Interconnection Track" limited to projects able to come online within three years. PJM described the move as a direct response to the Talen Precedent, and said "equitable alignment of transmission system usage and compensation" is now mandatory for all large loads.

What the queue now costs

GPU Lease Index and MegaGrid Supply are both industry newsletters tracking PJM's queue, and neither discloses the methodology behind its numbers. The two do not agree with each other. GPU Lease Index, in a January 8, 2026 report, put the data-center-specific wait at 36 to 48 months in faster-moving zones and more than five years in Northern Virginia, and estimated the shift away from behind-the-meter shortcuts has added $12 to $15 per megawatt-hour to all-in costs. MegaGrid Supply, in a December 10, 2025 report, cited a 5.2-year systemwide average for all PJM large loads — a figure that sits above GPU Lease Index's own fast-zone range and roughly at its Northern Virginia floor.

Treat both the dollar figure and the queue-length estimates as directional rather than load-bearing for an investment decision. What is confirmed independently, by PJM's own June 17, 2026 post, is that the queue has lengthened enough for PJM to build an expedited track as a release valve.

What this settles, and what it doesn't

An academic review published in Edinburgh University Press Journals on July 31, 2025 frames the Susquehanna rejection as the moment "the conflict between AI industrial policy and energy regulatory institutions crystallized," describing it as a return to a "Traditional Cost Allocation Framework" after developers had assumed industrial urgency would override case-by-case adjudication.

For a county weighing its next large-load proposal, the practical read is narrower than that framing. A developer proposing co-location at an existing nuclear, gas or hydro plant in PJM territory can no longer promise a county that power will be online in eighteen months because it's behind the meter. FERC's June 2026 directive and PJM's expedited track put every such project through the same study queue, and Talen's own 10-Q answers who funds the upgrades that queue exists to manage: the commercial parties do, not the ratepayer base PJM was built to spread costs across.

Links Verified at Time of Publish.