---
title: "ACER's New Playbook: Cross-Border Energy Market Abuse Meets Direct Enforcement"
description: Following the introduction of REMIT II in 2024, ACER’s role has shifted from being a relatively benign overseer of the market to an active investigator, armed with tools and powers certain to make a material impact on EU cross-border energy trading.
image: https://www.regtrail.com/hubfs/RegTrail%20-%20Blog%20Images%20(8).png
---
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# ACER's New Playbook: Cross-Border Energy Market Abuse Meets Direct Enforcement
RegTrail | 13 February, 2026
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This month, ACER (the pan-EU energy regulator) unveiled its formal **Rules of Procedure**, detailing exactly how it will lead investigations into suspected energy market abuse. Following the introduction of **REMIT II** in 2024, ACER’s role has shifted from being a relatively benign overseer of the market to an active investigator, armed with tools and powers certain to make a material impact on EU cross-border energy trading.
#### **The Theme: A New Era of Direct Oversight**
For firms engaged in cross-border energy trading, these rules mark a significant pivot. ACER is now mandated to investigate cases involving two or more EU Member States, covering insider trading, market manipulation, and the disclosure of inside information. According to the agency, the Rules of Procedure published this week is a new framework that "ensures legal certainty, due process, fairness and efficiency."
You can read the full 14-page document [here](https://www.acer.europa.eu/news/acer-unveils-its-playbook-investigate-cross-border-remit-energy-market-abuse).
#### Key Insights from the ACER Rules of Procedure
The playbook spells out ACER’s invasive powers that firms must account for in their internal compliance frameworks. The following elements are particularly noteworthy:
#### Why This Matters for Compliance
The shift in work practices, with key staff often working from home, creates new vulnerabilities for firms during unannounced inspections. If your "dawn raid" policy does not account for ACER's specific mandate or the potential for private residence visits, it is time for an update.
Furthermore, ACER has the power to draw conclusions based on available information if a firm provides incomplete or misleading data. Persuading the regulator to change a narrative once it is established is a costly and difficult process.
**RegTrail** provides comprehensive monitoring of REMIT developments, ensuring your compliance and legal teams are prepared for this elevated level of EU-wide enforcement.
## Additional Resources
#### [ Hungarian Energy Regulator Issues REMIT Warning Amid Extreme Conditions The Hungarian energy regulator has published a cautionary notice regarding REMIT compliance amidst ongoing extreme weather and other technical market factors. Read the blog](https://www.regtrail.com/resources/hungarian-energy-regulator-issues-remit-warning-amid-extreme-conditions)
#### [ Shanghai International Energy Exchange Consults on Market Halts The Shanghai International Energy Exchange (INE) has announced a consultation on proposed amendments to its rules on handling trading disruptions and market halts. Read the blog](https://www.regtrail.com/resources/shanghai-international-energy-exchange-consults-on-market-halts)
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