• REMIT manual for new market participants 

• REMIT data: What to report and how 

• REMIT quick guide for large energy users

• REMIT reporting documents: Changes catalogue (phase 1)

• Revised REMIT reporting: Implementation timeline

TRUM v7.0

Valid until 29 October 2027

• TRUM (main text) (17/12/2024)

• Annex I – Data fields (08/01/2015)

• Annex II – Examples of transaction reporting (30/09/2024)

- XML trade examples (30/04/2021)

- How to submit trading examples for Annex II of the TRUM (06/05/2015)

- Templates for submitting trading examples (30/04/2021)

• Annex III: Reporting of REMIT derivatives contracts under REMIT and EMIR (16/11/2022)

• Annex IV: Guidance on UTI (14/07/2025)

• Annex V: Abbreviations (17/12/2024)

• Annex VI: Additional information on how to correctly report the delivery point or zone (25/09/2026)

- List of accepted EICs (25/09/2026)

• Annex VII – Guidance on reporting lifecycle events (16/11/2022)

• Annex VIII – Guidance on reporting LNG supply contracts under REMIT (30/09/2024)

• Annex IX – Guidance on the definition of organised marketplaces (17/12/2024)

TRUM v8.0

Valid from 29 October 2027

• TRUM (main text) (29/10/2026)

• Annex I: Guidance on reporting lifecycle events in Table 1 and Table 2 (29/10/2026)

• Annex II: Examples of transaction reporting

- How to submit trading examples for Annex II of the TRUM

- Templates for submitting trading examples

• Annex III: Guidance on reporting LNG market and trade data

• Guideline on REMIT transaction reporting (29/10/2026)

• Annex on reporting of energy derivative transactions under REMIT and EMIR (29/10/2026)

Valid from 1 January 2027

• Guidance on reporting exposure under REMIT (29/10/2026)

Relevant until 29 October 2027

• FAQs on transaction reporting (30/09/2024)

Relevant from 29 October 2027

• Q&As on REMIT transaction reporting (29/10/2026)

Valid until 28 April 2028

• Manual of Procedures (MoP) on data reporting (26/03/2026)

Valid until 29 October 2027

• V.I XML schema for standard contracts (04/07/2024)

• V.II XML schema for non-standard contracts (04/07/2024)

• V.III XML schema for electricity transportation contracts (08/01/2015)

• V.IV XML schema for gas transportation contracts (07/11/2023)

Valid until 28 April 2028

• VI.I XML schema for ENTSO-E fundamental data (08/01/2015)

• VI.II XML schema for electricity nominations (08/01/2015)

• VI.III XML schema for ENTSOG fundamental data (08/01/2015)

• VI.IV XML schema for gas nominations (30/06/2015)

• VI.V XML schema for LNG data (30/06/2015)

• VI.VI XML schema for gas storage data (30/06/2015)

• VIII. XML schema for inside information reporting (26/03/2026)

• IX. List of LNG facilities subject to reporting according to REMIT (23/04/2026)

• List of LNG facilities (23/04/2026)

Valid from 29 October 2027

• XML schema for standard contracts – electricity and natural gas (Table1) (29/10/2026)

• XML schema for standard contracts – LNG (Table1) (29/10/2026)

• XML schema for non-standard contracts (Table 2) (29/10/2026)

• XML schema for electricity transportation contracts (Table 3) (29/10/2026)

• XML schema for natural gas transportation contracts (Table 4) (29/10/2026)

• XML schema for exposure reporting under REMIT (29/10/2026)

• Q&As on REMIT fundamental data and inside information (26/03/2026)

Valid until 29 October 2027

• Table 1 vs schema T1 mapping (29/01/2024)

• Table 2 vs schema T2 mapping (06/05/2015)

• Table 3 vs schema T3 mapping (24/03/2016)

• Table 4 vs schema T4 mapping (24/03/2016)

Valid until 29 October 2027

• ARIS data validation rules configuration document (13/07/2026)

• ACER REMIT information system data validation document (13/07/2026)

• Requirements for the Registration of Registered Reporting Mechanisms (15/01/2021)

• RRM application form (23/07/2025)

• Non-disclosure declaration (05/03/2015)

• Model Power of attorney (12/02/2015)

• Digital certificate form for physical users (24/01/2019)

• Digital certificate form for machine-machine communication (24/01/2019)

• Videos with instructions on how to access the ARIS System (24/01/2019)

• ARIS public keys (12/02/2026)

• XML schema for ARIS receipts (07/11/2023)

• RRM registration termination form (23/10/2024)

List of standard contracts provided by ACER is discontinued as of the entry into force of the revised REMIT Implementing Regulation on data reporting. 

• Open letter on LNG market data quality (27/07/2023)

• Fourth Open Letter on REMIT data quality (22/10/2020)

• Third Open letter on REMIT data quality (26/07/2019)

• Second Open letter on REMIT data quality (19/07/2018)

• Open letter on REMIT transaction reporting data quality (16/02/2017)

• Report on PPATs’ arrangements, systems and procedures and their effectiveness (8/5/2026)
• Report on PPATs’ arrangements, systems and procedures and their effectiveness (8/5/2025)

• Report on national regulatory authorities’ activities related to suspicious transactions and order reports (8/5/2026) 
• Report on national regulatory authorities’ activities related to suspicious transactions and order reports (8/5/2025) 

• Recommendations to the European Commission (26/03/2013) 

• Recommendations to the European Commission (23/10/2012)

2026

• Issue No. 45 / Q2 2026 

• Issue No. 44 / Q1 2026 

2025

• Issue No. 43 / Q4 2025 

• Issue No. 42 / Q3 2025 

• Issue No. 41 / Q2 2025

• Issue No. 40 / Q1 2025 (updated version)

• Issue No. 40 / Q1 2025

2024

• Issue No. 39 / Q4 2024​​​​​​​

• Issue No. 38 / Q3 2024

• ​​​​​​​Issue No. 37 / Q2 2024

• Issue No. 36 / Q1 2024

2023

• Issue No. 35 / Q4 2023

• Issue No. 34 / Q3 2023

• Issue No. 33 / Q2 2023

• Issue No. 32 / Q1 2023

2022

• Issue No. 31 / Q4 2022

• Issue No. 30 / Q3 2022

• Issue No. 29 / Q2 2022

• Issue No. 28 / Q1 2022

2021

• Issue No. 27 / Q4 2021 (updated version)

• Issue No. 27 / Q4 2021

• Issue No. 26 / Q3 2021

• Issue No. 25 / Q2 2021

• Issue No. 24 / Q1 2021

2020

• Issue No. 23 / Q4 2020

• Issue No. 22 / Q3 2020

• Issue No. 21 / Q2 2020

• Issue No. 21 / Q2 2020 (updated version)

• Issue No. 20 / Q1 2020

2019

• Issue No. 19 / Q4 2019

• Issue No. 18 / Q3 2019

• Issue No. 17 / Q2 2019

• Issue No. 16 / Q1 2019

2018

• Issue No. 15 / Q4 2018

• Issue No. 15 / Q4 2018 (updated version)

• Issue No. 14 / Q3 2018

• Issue No. 13 / Q2 2018

• Issue No. 12 / Q1 2018

2017

• Issue No. 11 / Q4 2017

• Issue No. 10 / Q3 2017

• Issue No. 9 / Q2 2017

• Issue No. 8 / Q1 2017

2016

• Issue No. 7 / Q4 2016

• Issue No. 6 / Q2-Q3 2016

• Issue No. 5 / Q1 2016

2015

• Issue No. 4 / Q4 2015

• Issue No. 3 / Q3 2015

• Issue No. 2 / Q2 2015

• Issue No. 1 / Q1 2015

• REMIT Annual Report 2016 (07/10/2016)

• REMIT Annual Report 2015 (08/09/2015)

• REMIT Annual Report 2014 (10/06/2014)

• REMIT Annual Report 2013 (07/11/2013)

• 6.1st Edition (18/12/2024)

• 6.1st Edition in track changes (18/12/2024)

• 6th Edition (22/07/2021)

- Guidance Note 1/2019 – Layering and Spoofing (22/03/2019)

- Guidance Note 1/2018 – Transmission Capacity Hoarding (22/03/2018)

- Guidance Note 1/2017 – Wash Trades (19/06/2017)

• 5th Edition (11/05/2021)

• 5th Edition (08/04/2020)

• 4th Edition (15/10/2019)

• 4th Edition (17/06/2016)

• 3rd Edition (03/06/2015)

• 3rd Edition (29/10/2013)

• 2nd Edition (22/04/2013)

• 2nd Edition (28/09/2012)

• Comparison (28/09/2012)

• 1st Edition (20/12/2011)

• Q&As on REMIT (12/03/2025)

• Open letter on recast Implementing Regulation (07/04/2026)

• Open letter on new Delegated Regulation (07/04/2026)

• Open letter on the designation of representatives by non-EU market participants and on the new obligations of persons professionally arranging or executing transactions (PPAETs), according to the revised REMIT (25/09/2024)

• Open letter on the notifications of algorithmic trading and direct electronic access according to the revised Regulation (EU) No 1227/2011 (30/07/2024)

• Open letter on the implications of the revision of Regulation (EU) No 1227/2011 on REMIT data reporting aspects and notification obligations (17/04/2024)

• Updated Open Letter on the extension of the possibility for market participants to publish inside information on their own corporate website as a backup solution (14/12/2021)

• Updated Open Letter on the withdrawal of the United Kingdom from the European Union and implications on the registration of market participants and data collection under REMIT (18/12/2020)

• Open Letter on the impact of Covid-19 on certain compliance deadlines under REMIT (20/11/2020)

• Open Letter on the withdrawal of the United Kingdom from the European Union and implications for REMIT (08/01/2019)

• Open Letter on Inside Information disclosure and the use of Inside Information Platforms (IIPs) (30/05/2018)

• No action relief on the ad hoc reporting (14/12/2017) 

• No action relief on the ad hoc reporting (15/12/2016)

• No-action letter (07/01/2015)

​​​​​• Open Letter on the establishment of an Expert Group on Wholesale Energy Market Integrity and Transparency (23/10/2023)

​​​​​• Open Letter on the establishment of an Expert Group on Wholesale Energy Market Data Reporting (23/10/2023)

• Open Letter on the establishment of an Expert Group on LNG Price Assessment/Benchmarks (01/12/2022)

• Open Letter on the establishment of a consultative expert group on wholesale energy market trading, integrity and transparency (01/10/2020)

• Open Letter on the establishment of a consultative expert group on wholesale energy market trading (03/07/2017)

• Open Letter on the establishment of an informal ad hoc expert group on REMIT (17/03/2015)

• REMIT Regulation (2011)

Regulation (EU) No 1227/2011 of the European Parliament and of the Council of 25 October 2011 on wholesale energy market integrity and transparency

• Regulation amending REMIT (2024)

Regulation (EU) 2024/1106 of the European Parliament and of the Council of 11 April 2024 amending Regulations (EU) No 1227/2011 and (EU) 2019/942 as regards improving the Union’s protection against market manipulation on the wholesale energy market

• REMIT Implementing Regulation (2014)

Commission Implementing Regulation (EU) No 1348/2014 of 17 December 2014 on data reporting implementing Article 8(2) and Article 8(6) of Regulation (EU) No 1227/2011 of the European Parliament and of the Council on wholesale energy market integrity and transparency

• Recast REMIT Implementing Regulation (2026)

Commission Implementing Regulation (EU) 2026/256 of 30 January 2026 on data reporting implementing Article 7c(2), Article 8(1a), Article 8(2) and Article 8(6) of Regulation (EU) No 1227/2011 of the European Parliament and of the Council on wholesale energy market integrity and transparency and repealing Commission Implementing Regulation (EU) No 1348/2014

• REMIT Delegated Regulation on authorisation and supervision of reporting entities (2026)

Commission Delegated Regulation (EU) 2026/255 of 30 January 2026 supplementing Regulation (EU) No 1227/2011 of the European Parliament and of the Council as regards the necessary details for the authorisation and supervision of inside information platforms and registered reporting mechanisms by the European Union Agency for the Cooperation of Energy Regulators

• REMIT Fee decision (2025)

Commission Decision(EU) 2025/1771 of 8 September 2025 on fees due to the European Union Agency for the Cooperation of Energy Regulators for its tasks under Regulation (EU) No 1227/2011 of the European Parliament and of the Council and repealing Commission Decision (EU) 2020/2152

• ACER Guidance on REMIT

ACER Guidance on the application of REMIT

• Q&As on REMIT

The Agency’s answers to frequently asked questions about REMIT policy

• Open letters on REMIT policy

The Agency’s guidance to national energy regulators and to market participants on how to fulfil their REMIT obligations to help ensure consistent application of the laws

• Latest report on PPATs’ arrangements, systems and procedures and their effectiveness

The Agency’s report on market surveillance by persons professionally arranging transactions (PPATs), monitoring the establishment and maintenance of proper market surveillance arrangements, systems and procedures and their effectiveness

• Latest report on national regulatory authorities’ activities related to suspicious transactions and order reports

The Agency’s report monitoring energy regulators’ analysis of suspicious transactions, response to poor quality reporting, non-reporting and enforcement activities and penalties

• REMIT Quarterly

Quarterly updates on REMIT-related activities, guidance on the application of the REMIT framework, assessments of the operation and transparency of different categories of organised market places and ways of trading

• Transaction reporting user manual (TRUM)

Practical guidance on how to report trading data and comply with reporting obligations.

• Guideline on REMIT transaction reporting

Clarifies policy aspects, including who must report, what and when.

• Guidance on reporting exposure under REMIT

Practical guidance and examples on exposure reporting requirements and their application.

• Q&As on transaction reporting

Answers to common business and technical questions on transaction reporting and the TRUM.

• Manual of Procedures (MoP) on data reporting

Provides technical requirements and electronic formats on reporting transactions, fundamental data and inside information

• Electronic formats

Electronic schemas for reporting data types.

• Q&As on REMIT fundamental data and inside information

Answers to common questions on the Manual of Procedures on data reporting, inside information and fundamental data.

• Mapping between REMIT Implementing Regulation tables and electronic schemas

Tables mapping data fields in the REMIT Implementing Regulation to their corresponding electronic format.

• ARIS data validation rules

Technical specifications for validating REMIT data quality.

• RRM registration

Guidance and tools for registering as registered reporting mechanisms (RRMs).

• List of standard contracts

Discontinued with the entry into force of the revised REMIT Implementing Regulation on data reporting. 

• Open letters on data quality

Ad-hoc updates on ACER’s data quality monitoring and identified areas for improvement.

• REMIT Guidance on the implementation of web feeds for Inside Information Platforms (13/12/2018)

Technical guidance on the implementation of web feeds, namely RSS or Atom feeds containing Urgent Market Messages (UMMs)

• Q&A on REMIT fundamental data and inside information (26/03/2026)

The Agency’s answers to frequently asked questions received in relation to the Manual of Procedures (MoP) on data reporting under REMIT and the collection of inside information and fundamental data

• Background note on REMIT fees (14/01/2026)

Background note on the COMMISSION DECISION (EU) 2025/1771 of 8 September 2025 on fees due to the European Union Agency for the Cooperation of Energy Regulators for its tasks under Regulation (EU) No 1227/2011 of the European Parliament and of the Council and repealing Commission Decision (EU) 2020/2152

• Q&As on REMIT fees (07/10/2025)

The Agency’s answers to questions about the technical and operational aspects of the REMIT fee collection

• Annex to Q&As on REMIT fees (14/01/2026)

A summary of exceptions from the application of REMIT fees

• REMIT query form

• REMIT Portal