26MAY

REMIT 2.0 T+10 lands; STORs double

3 min read

12:01UTC

The first REMIT 2.0 T+10 transaction reporting deadline landed on Tuesday 12 May; ACER's enforcement report showed 204 Suspicious Transaction Reports filed by national regulators in 2025, double the 2024 figure.

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Key takeaway

REMIT 2.0's T+10 deadline lands with STORs already doubled and guidance still open to revision until 12 June.

The first REMIT 2.0 (Regulation on Wholesale Energy Market Integrity and Transparency) T+10 transaction reporting deadline landed on Tuesday 12 May 2026, the first compliance gate under the recast framework that entered force 29 April , . ACER's enforcement report, published Friday 8 May, showed 204 STORs (Suspicious Transaction and Order Reports) filed by national regulators in 2025, double the 2024 figure. ACER called for 'targeted improvements in surveillance by trading intermediaries', PPATs (persons professionally arranging transactions).

The compliance paradox flagged on entry day is now operative across the trading-intermediary stack: market participants must comply from 29 April with rules whose guidance remains open to formal revision until 12 June . The 204 STORs were generated under the prior REMIT framework; the doubling is a structural indicator, not a temporary surge. The T+10 deadline multiplies the data flow into NRA (national regulatory authority) systems without expanding NRA staffing, and REMIT 2.0's enhanced scope will push STOR volumes materially higher before that staffing can respond. No first-week enforcement action has surfaced through 18 May; the guidance consultation runs to 12 June.

Deep Analysis

In plain English

Europe has new rules requiring energy trading firms to report suspicious trades to regulators within ten days. The first deadline under these rules was 12 May. The regulator also published a report showing that suspicious trade reports doubled last year. Energy companies now have to submit more data, more quickly, to national watchdogs who are already stretched handling the volume from the old rules.

Deep Analysis

Root Causes

The European Parliament's decision in 2023 to recast REMIT rather than amend it required a full new notification framework, which had to enter force with a statutory timeline that did not allow ACER to finalise all implementing technical standards before the first compliance deadline.

The doubling of STORs from 2024 to 2025 under REMIT 1.0 already indicated that NRA surveillance capacity was not scaling proportionally to market activity; REMIT 2.0's expanded transaction reporting will multiply data flow without an equivalent expansion of national regulator processing capacity.

What could happen next?

Meaning
The first ACER REMIT 2.0 enforcement action will establish the effective fine tariff across jurisdictions; energy desks in member states with lower domestic fine ceilings face a competitive advantage relative to London or Amsterdam-based desks under UK or Dutch national frameworks.
Short term · Assessed
Meaning
National regulator capacity constraints, identified implicitly in ACER's 'targeted improvements' call, suggest that the tripling of data volume under REMIT 2.0 will create a surveillance backlog that delays enforcement actions beyond the six-month post-T+10 window.
Short term · Assessed
Meaning
PPATs that fail to meet the T+10 deadline in the first month will not face immediate enforcement action based on ACER's opening posture, but that window of leniency is unlikely to extend past the 12 June guidance consultation close.
Short term · Assessed

Source Landscape

This story draws on neutral-leaning sources

Primary parallel: MiFID II transaction reporting under Article 26 required investment firms to report from 3 January 2018, but ESMA's validation rules for the XML field definitions were revised six times between January and October 2018, with national competent authorities accepting technically non-compliant reports during the revision period.

REMIT 2.0's T+10 deadline has the same structure: the obligation is live, the technical specification is open to revision, and the regulator has signalled it will prioritise good-faith compliance over technical perfection in the opening period.

Counter-parallel: EU ETS carbon market manipulation enforcement under Article 3 of the EU Market Abuse Regulation operated from 2019 under a cleared legal framework where ACER and national regulators had coordinated surveillance protocols before the first enforcement action. REMIT 2.0 does not have that pre-enforcement coordination in place for non-standard contracts, creating a higher risk of inconsistent national enforcement in the first six months.

Energy desks using third-party PPATs for non-standard contract reporting face a compliance cost uplift: ACER's 'targeted improvements' call implies auditing intermediary surveillance protocols, staff training, and system integration, costs that specialist compliance firms estimate at EUR 200,000-500,000 per desk for a comprehensive REMIT 2.0 readiness review.

The first enforcement action will set the fine tariff. REMIT 2.0 maximum penalties are set by national regulators under their domestic enabling legislation; the spread across EU member states ranges from administrative warnings in some jurisdictions to multi-million euro fines in others.

Consensus view: Compliance specialists at Linklaters and other EU energy law firms note that REMIT 2.0's compliance paradox has a precedent in MiFID II implementation in 2018, where national competent authorities enforced the framework from 3 January 2018 while ESMA's Q&A guidance remained under periodic revision for the following 18 months. Energy desks should treat the 12 June guidance text as operationally load-bearing, not as a consultative draft.

Counter-view: A Brussels-based PPAT association submission to ACER in April 2026 argued that holding trading intermediaries to a surveillance standard defined in guidance that has not entered force creates a legal ambiguity that any enforcement action could face procedural challenge on. The doubling of STORs in 2025 occurred under the prior REMIT 1.0 framework; applying REMIT 2.0 surveillance standards retroactively to 2025 conduct would be impermissible.

Key tension: Whether ACER's first REMIT 2.0 enforcement action post-T+10 targets conduct from the period 29 April to 12 June while guidance remains open, which would test whether the compliance paradox is an academic concern or an actionable legal defence.

Sources:ACER

Mentions:Brussels →PPATs →ACER →REMIT →NRAs →

First Reported In

Update #10 · TTF breaks EUR 50; US LNG hits 58% of imports

ACER· 18 May 2026

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Causes and effects

Caused by

REMIT 2.0 T+10 deadline lands today

REMIT 2.0 T+10 first deadline was anticipated to fall around 12 May (ID:3228); its arrival in this window activates the compliance paradox with the 12 June guidance consultation still open.

Occurred 12 May 2026

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REMIT 2.0 hits first 14-day reporting deadline

REMIT 2.0 entered force 29 April (ID:3038); the 12 May T+10 deadline is the first compliance gate under the new framework, generating the enforcement landscape ACER's 204 STOR report now characterises.

Occurred 29 Apr 2026

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This Event

REMIT 2.0 T+10 lands; STORs double

The compliance paradox is operative: market participants must comply from 29 April with rules whose guidance remains open to formal revision until 12 June.

Led to

ACER builds enforcement stack in 48 hours

ACER REMIT Quarterly 44 is the first systematic Q1 review following the T+10 first deadline in ID:3394; the 11 June workshop is the next formal compliance milestone.

Occurred 21 May 2026

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Different Perspectives

Cefic and European industrial gas offtakers

Chemical manufacturers running at 62-68% utilisation face mandate-funded storage that secures volume at above-commercial prices without reducing gas costs. A EUR 35bn refill bill, if confirmed, flows back through regulated network tariffs, adding directly to industrial energy costs already named by BASF and INEOS as structural.

OIES and energy research institutions

Bruegel and OIES have not published a revised refill cost model at EUR 47-51 TTF with sub-0.4 pp/day pace. The EUR 35bn mid-range is drifting into use as the operative sub-80% November consensus, and the 11 June ACER workshop is the next venue where EU-level storage instrument advocacy can surface.

Equinor upstream gas

The Troll A compressor fault removed 34.6 mcm/day, stacked on Hammerfest, yet TTF fell 8.1% on Iran news the same day. Norwegian supply disruptions carry no price premium while Hormuz dominates; Equinor's 31 May Troll restart is a first estimate and the 2025 Hammerfest compressor fault of the same class slipped 24 days.

German Economy Ministry and Bundesnetzagentur

Berlin confirmed on 20 May it will not introduce a summer injection-incentive scheme, leaving Germany as the EU's only major unincentivised market after the storage levy lapsed on 1 January 2026. Commercial injectors apparently used the 18 May EUR 50 spike to lock winter supply cost rather than book against a structurally negative strip.

CRE and French gas operators

CRE's 100% mandatory booking order funds French injection regardless of the inverted strip, providing the EU aggregate cover that masks Germany's gap. The French position is insulated from TTF price moves but exposed to CRE's annual renewal cycle, a political risk rather than a commercial one.

Amsterdam-Rotterdam gas trading desks

TTF's 8.1% crash on a deal headline despite 50-plus mcm/day of verified Norwegian outages settled the EUR 50 question: it is a diplomatic ceiling, not a floor, and the short EUR 50-strike summer position keeps paying until Iran resolves. EBN's price-insensitive mandate buying tightens the prompt but the EUR 233m budget cap is a known position risk.