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Iran Conflict 2026
18JUN

REMIT 2.0 T+10 lands; STORs double

3 min read
10:02UTC

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
Sources:ACER
Mentions:Brussels →PPATs →ACER →NRAs →REMIT →
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
Read story →
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
Read story →
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
Read story →
ACER tightens REMIT before guidance locks
ACER's 204-STOR 2025 report confirms the surveillance net is already catching more; the 11 June workshop precedes expanded cross-border powers activating in H2 2026.
Occurred 11 Jun 2026
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ACER dates its cross-border powers switch-on
REMIT 2.0 T+10 deadline established the compliance-before-final-rulebook paradox; 11 June workshop confirms powers activating H2
Occurred 11 Jun 2026
Read story →
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