What EU Agency for the Cooperation of Energy Regulators (ACER) does

ACER is a decentralised agency of the European Union established in March 2011 under the Third Energy Package and headquartered in Ljubljana, Slovenia. It functions as the coordinating regulator for EU energy markets, fostering cooperation among the National Regulatory Authorities (NRAs) of all 27 EU Member States plus EEA EFTA States (Norway, Iceland) and Switzerland, and issuing binding individual decisions on cross-border energy infrastructure issues. ACER is governed by an Administrative Board (appointed by the European Commission, European Parliament, and Council of the EU) and a Board of Regulators (composed of senior NRA representatives), and operates through seven departments covering electricity, gas/hydrogen/retail, market information and transparency, REMIT investigations, energy system needs, and coordination/legal functions. The agency employs approximately 170-231 staff including permanent employees and experts seconded by national regulatory authorities.

ACER's core technology infrastructure comprises the REMIT Portal for wholesale energy market surveillance and inside information reporting under the REMIT regulation, the AEGIS (ACER Electricity and Gas Information System) data exchange platform, and a suite of monitoring dashboards covering cross-zonal electricity trade, congestion management, and implementation of Terms and Conditions or Methodologies. These platforms are supplemented by periodic products including Market Monitoring Reports, Summer and Winter Outlooks, the European Resource Adequacy Assessment (ERAA), LNG Price Assessment, Market Correction Mechanism assessments, and methodology decisions for capacity calculation regions. ACER's outputs include regulatory decisions, opinions, framework guidelines, monitoring reports, and binding methodology decisions that shape EU electricity and gas market rules.

ACER operates as a non-commercial regulatory body financed entirely through the EU budget, with no fee-based revenue stream. All decisions, opinions, guidelines, and reports are published free of charge via its public website and disseminated through newsletters, LinkedIn, Bluesky, public consultations, webinars, and press releases. Its customer/stakeholder base consists of EU institutions, NRAs, European Transmission System Operators (ENTSO-E, ENTSOG), wholesale energy market participants subject to REMIT compliance, and indirectly, European energy consumers. ACER does not sell products or services commercially, and pricing is non-applicable under its mandate.

Name

EU Agency for the Cooperation of Energy Regulators (ACER)

Legal name

European Union Agency for the Cooperation of Energy Regulators

Website

https://acer.europa.eu

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

101–250 employees

Short description

ACER is a decentralised EU regulatory agency headquartered in Ljubljana that coordinates cooperation among 27 national energy regulators, oversees wholesale energy market integrity through REMIT, and issues binding decisions on cross-border electricity and gas infrastructure across the EU.

Ownership category

akta.pro rank

Product category

Energy Regulation Services

NAICS

Regulation and Administration of Communications, Electric, Gas, and Other Utilities (92613), Regulation and Administration of Communications, Electric, Gas, and Other Utilities (926130)

akta.pro primary industry

Energy, Utilities & Natural Resources Regulators (BPAIAOAJ)

Keywords

• Energy market regulation
• Wholesale energy surveillance
• REMIT compliance
• Cross-border energy infrastructure
• Energy market integration

Headquarters

HQ city

Ljubljana

HQ country

Slovenia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Others

Revenue model

1. EU Budget Funding: ACER is a decentralised EU agency funded by the European Union budget. As a public regulatory body, it does not generate commercial revenue but is financed through EU contributions to carry out its mandate of fostering energy market integration and cooperation among NRAs.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

ACER is a EU decentralized regulatory agency that fosters cooperation among the energy National Regulatory Authorities of 27 EU Member States to ensure a single European market for electricity and natural gas. It issues binding individual decisions on cross-border energy infrastructure, monitors wholesale energy markets under the REMIT regulation to deter market abuse, and operates dedicated platforms (REMIT Portal, AEGIS) for data collection, surveillance, and transparency across EU energy markets.

Product overview

ACER operates as a unified regulatory agency providing multiple interconnected products and services focused on EU energy market integration and oversight. The core offerings include the REMIT Portal for wholesale energy market surveillance, AEGIS (ACER Electricity and Gas Information System) for data exchange and transparency, and various monitoring dashboards for cross-zonal capacity, market implementation, and security of supply. These products are supported by regulatory decision-making processes through the Board of Regulators and Administrative Board, with outputs including annual monitoring reports, seasonal outlooks, and binding methodology decisions for EU energy market rules.

Differentiator

Problem solved

Functional benefit

Products and services

• ACER REMIT Portal A specialized web portal for reporting and monitoring wholesale energy market transactions under the REMIT regulation, enabling market participants to report inside information, and ACER to detect, analyse, notify, and deter market abuse.
• AEGIS (ACER Electricity and Gas Information System) A comprehensive data exchange platform providing access to datasets, REMIT Reference Data Centre, and ACER publications data for market monitoring and transparency purposes.
• Cross-Zonal Electricity Trade Dashboard Interactive dashboard monitoring cross-zonal electricity trade and grid congestion management, displaying capacity allocation, trade volumes, and congestion data for EU electricity markets.
• Terms and Conditions Implementation Monitoring Dashboard Dashboard for monitoring the implementation status of terms and conditions or methodologies across EU energy markets, tracking compliance with network codes and market rules.
• REMIT Reference Data Centre Centralized reference database within AEGIS containing standardized data for REMIT reporting, including market participant information, standard contracts, and commodity identifiers.
• Market Correction Mechanism Regulatory mechanism for addressing market distortions in EU gas markets, with dedicated monitoring and assessment capabilities.
• LNG Price Assessment Assessment and monitoring of LNG prices across EU markets, providing transparency on LNG market developments and pricing trends.
• Summer and Winter Outlooks Periodic security of supply assessments providing forward-looking analysis of energy supply adequacy for EU electricity and gas markets across seasonal periods.
• European Resource Adequacy Assessment (ERAA) EU-wide assessment of resource adequacy for electricity supply security, evaluating capacity needs and potential adequacy risks across the European power system.
• Market Monitoring Reports (MMR) Comprehensive annual and periodic reports monitoring the functioning, transparency, and integrity of EU wholesale energy markets, including electricity and gas sectors.
• Board of Regulators Decisions Tracker Internal tracking system (accessible via Extranet) for monitoring decisions and regulatory positions adopted by the Board of Regulators.

Quantifiable outcome

• EU internal energy market integration and harmonisation of network and market rules across 27 Member States
• +1 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core and minor.

• National Regulatory Authorities (NRAs) of EU Member StatescoreStrategic or Co-development Partner · 1 January 2011ACER was established to foster cooperation among the EU's energy National Regulatory Authorities (NRAs) and help ensure the single European market for electricity and gas functions well. The Board of Regulators comprises senior representatives of 27 NRAs who oversee regulatory policy and approve the Agency's work programme.
• ENTSO-E (European Network of Transmission System Operators for Electricity)coreStrategic or Co-development PartnerACER monitors the work of ENTSO-E and issues opinions on their EU-wide network development plans, ensuring alignment with EU priorities for electricity transmission infrastructure.
• ENTSOG (European Network of Transmission System Operators for Gas)coreStrategic or Co-development PartnerACER monitors the work of ENTSOG and issues opinions on their Ten-Year Network Development Plan, ensuring gas infrastructure development aligns with EU energy policy objectives.
• EU Agencies Network (EUAN)minorStrategic or Co-development PartnerACER works closely with other European agencies through the EU Agencies Network (EUAN), which produces joint work programmes and facilitates inter-agency cooperation on shared objectives.
• European CommissioncoreStrategic or Co-development PartnerThe European Commission appoints members to ACER's Administrative Board, consults on the work programme, and receives ACER's regulatory opinions and recommendations. ACER drafts framework guidelines on request of the Commission.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• ENTSOG (European Network of Transmission System Operators for Gas): ENTSOG is the EU association of gas TSOs whose Ten-Year Network Development Plan ACER reviews; it is the structurally comparable gas-side counterpart to ACER's electricity and gas regulatory oversight.
• ENTSO-E (European Network of Transmission System Operators for Electricity): ENTSO-E is the EU association of electricity TSOs that ACER directly monitors and issues binding opinions on; both share the EU-wide mandate of enabling the internal electricity market through network codes and capacity calculation methodologies.
• Council of European Energy Regulators (CEER): CEER is the voluntary association of Europe's national energy regulators and overlaps directly with ACER in representing energy regulators at the European level and shaping cross-border regulatory cooperation in electricity and gas markets.

Regional players

• Energy Community Regulatory Board (ECRB): ECRB is the regulatory board for the Energy Community extending ACER-style regulatory cooperation to non-EU contracting parties in South-East Europe and the Black Sea region, making it a regional peer with a comparable mandate outside EU territory.

Broad incumbents

• European Chemicals Agency (ECHA): ECHA is a peer EU decentralised agency that, like ACER, issues binding decisions on cross-border matters and operates specialised data platforms (REACH), but in the chemicals sector rather than energy.
• European Securities and Markets Authority (ESMA): ESMA is a sister EU decentralised agency with a comparable legal structure, governance model, and EU-wide regulatory authority, but focused on securities and financial markets rather than energy.
• European Banking Authority (EBA): EBA is a peer EU decentralised agency operating under a comparable governance model (Administrative Board plus Board of Supervisors composed of national regulator representatives), but focused on banking sector regulation.
• Body of European Regulators for Electronic Communications (BEREC): BEREC is an EU agency structurally analogous to ACER, coordinating national regulators across Member States and contributing to EU-level decisions, but for electronic communications rather than energy.
• European Environment Agency (EEA): The EEA is an EU agency that overlaps with ACER in supporting EU environment and climate objectives, providing data and assessments across Member States, but with a broader environmental rather than energy-market regulatory remit.
• European Insurance and Occupational Pensions Authority (EIOPA): EIOPA shares ACER's EU decentralised agency status and Board-of-national-regulators governance model, but oversees insurance and pensions rather than energy markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks4 records

Key highlights6 records

Customer concentration

• Xbsky.app/profile/eu-acer.bsky.social
• LinkedInlinkedin.com/company/eu-acer

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about EU Agency for the Cooperation of Energy Regulators (ACER)