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EU Competition Policy
Energy and Environment
The energy sector is essential to the European economy. Businesses and consumers depend on reliable supplies, competitive prices, functioning cross-border markets and sufficient investment in infrastructure, renewable energy and clean technologies.
The European Union produces and imports energy from a wide range of sources, including natural gas, oil, nuclear energy, solid fuels and renewables such as wind, solar and hydropower. At the same time, the EU is progressively transforming its energy system through decarbonisation, electrification, energy efficiency and the expansion of renewable energy.
EU competition policy supports this transformation by ensuring that energy and environmental objectives are pursued without unnecessarily restricting competition or fragmenting the Single Market.
The role of competition policy
Competition policy is not the EU’s primary instrument for addressing climate change. Environmental legislation, carbon pricing, taxation, emissions standards and energy regulation remain the principal tools.
However, competition policy complements these measures by helping to ensure that the green transition takes place through open markets, effective competition and efficient public investment.
In the energy and environmental sectors, EU competition policy is applied through:
The European Commission’s work in this area is presented through its dedicated Energy and Environment competition policy section.
Competitive and integrated energy markets
A central objective of EU energy policy is the development of an integrated internal energy market in which electricity and gas can move across borders and companies can compete under comparable conditions.
Effective competition can contribute to:
The broader policy framework is provided by the EU’s energy policy, which covers energy security, renewable energy, energy efficiency, infrastructure, market integration, research, technology and financing.
Competition enforcement may address practices that restrict market access, divide national markets, manipulate prices, limit infrastructure availability or exclude competitors.
State aid for energy and environmental objectives
Public funding plays an important role in supporting renewable energy, industrial decarbonisation, energy efficiency, clean technologies and infrastructure.
EU State aid rules allow Member States to provide this support where it is necessary, proportionate and designed to minimise distortions of competition.
Public support may cover areas such as:
State aid control is intended to prevent governments from granting selective advantages that unnecessarily favour particular companies, technologies or national industries.
The Clean Industrial Deal State Aid Framework
The Clean Industrial Deal State Aid Framework – CISAF provides Member States with a framework for accelerating public support for clean energy, industrial decarbonisation and clean-technology manufacturing.
The framework allows support for:
CISAF has applied since 25 June 2025 and is scheduled to remain in force until 31 December 2030.
For businesses, the framework may create new financing and investment opportunities, but support measures must still comply with the conditions established by the Commission.
Important Projects of Common European Interest
EU competition policy also allows Member States to jointly support major cross-border projects through Important Projects of Common European Interest – IPCEIs.
IPCEIs are large and strategically important European projects that may involve significant technological, financial or market risks. They can bring together companies, research organisations, public authorities and investors from several Member States.
In the energy and environmental sectors, IPCEIs can support the development of European value chains, innovative technologies, cross-border infrastructure and industrial ecosystems.
These projects are expected to generate benefits beyond the companies and countries directly involved, including innovation spillovers, employment, economic growth and greater European strategic autonomy.
Merger and antitrust enforcement
The European Commission also applies EU merger and antitrust rules to energy producers, suppliers, network operators, technology companies and environmental-service providers.
Merger control examines whether a proposed transaction could significantly reduce competition, increase market concentration or limit access to essential infrastructure and technologies.
Antitrust enforcement may address:
Businesses can follow the Commission’s relevant energy and environment cases and the applicable legislation and policy framework.
Competition and the European Green Deal
Competition policy supports the objectives of the European Green Deal by helping to direct investment towards clean technologies while preserving competitive and open markets.
The key challenge is to balance three interconnected objectives:
This balance is especially important because Member States have different fiscal capacities. Without effective State aid control, countries with greater public resources could provide significantly more support to their national companies, creating unequal competitive conditions across the EU.
The European Union produces and imports energy from a wide range of sources, including natural gas, oil, nuclear energy, solid fuels and renewables such as wind, solar and hydropower. At the same time, the EU is progressively transforming its energy system through decarbonisation, electrification, energy efficiency and the expansion of renewable energy.
EU competition policy supports this transformation by ensuring that energy and environmental objectives are pursued without unnecessarily restricting competition or fragmenting the Single Market.
The role of competition policy
Competition policy is not the EU’s primary instrument for addressing climate change. Environmental legislation, carbon pricing, taxation, emissions standards and energy regulation remain the principal tools.
However, competition policy complements these measures by helping to ensure that the green transition takes place through open markets, effective competition and efficient public investment.
In the energy and environmental sectors, EU competition policy is applied through:
- antitrust enforcement;
- merger control;
- State aid control;
- investigations into energy markets;
- scrutiny of agreements between companies;
- assessment of public support for energy and environmental projects.
The European Commission’s work in this area is presented through its dedicated Energy and Environment competition policy section.
Competitive and integrated energy markets
A central objective of EU energy policy is the development of an integrated internal energy market in which electricity and gas can move across borders and companies can compete under comparable conditions.
Effective competition can contribute to:
- more transparent energy prices;
- improved consumer choice;
- greater security and diversification of supply;
- more efficient use of generation and infrastructure;
- increased investment and innovation;
- the market entry of renewable energy and new technologies.
The broader policy framework is provided by the EU’s energy policy, which covers energy security, renewable energy, energy efficiency, infrastructure, market integration, research, technology and financing.
Competition enforcement may address practices that restrict market access, divide national markets, manipulate prices, limit infrastructure availability or exclude competitors.
State aid for energy and environmental objectives
Public funding plays an important role in supporting renewable energy, industrial decarbonisation, energy efficiency, clean technologies and infrastructure.
EU State aid rules allow Member States to provide this support where it is necessary, proportionate and designed to minimise distortions of competition.
Public support may cover areas such as:
- renewable electricity generation;
- energy storage and network infrastructure;
- industrial decarbonisation;
- energy-efficiency measures;
- low-carbon manufacturing;
- hydrogen and other clean technologies;
- security of electricity supply;
- environmental protection and remediation.
State aid control is intended to prevent governments from granting selective advantages that unnecessarily favour particular companies, technologies or national industries.
The Clean Industrial Deal State Aid Framework
The Clean Industrial Deal State Aid Framework – CISAF provides Member States with a framework for accelerating public support for clean energy, industrial decarbonisation and clean-technology manufacturing.
The framework allows support for:
- the deployment of renewable energy and low-carbon fuels;
- temporary electricity-price relief for energy-intensive industries;
- the decarbonisation of industrial production;
- manufacturing capacity for clean technologies;
- projects selected by the EU Innovation Fund but not fully financed;
- measures that reduce the risks associated with private clean investments.
CISAF has applied since 25 June 2025 and is scheduled to remain in force until 31 December 2030.
For businesses, the framework may create new financing and investment opportunities, but support measures must still comply with the conditions established by the Commission.
Important Projects of Common European Interest
EU competition policy also allows Member States to jointly support major cross-border projects through Important Projects of Common European Interest – IPCEIs.
IPCEIs are large and strategically important European projects that may involve significant technological, financial or market risks. They can bring together companies, research organisations, public authorities and investors from several Member States.
In the energy and environmental sectors, IPCEIs can support the development of European value chains, innovative technologies, cross-border infrastructure and industrial ecosystems.
These projects are expected to generate benefits beyond the companies and countries directly involved, including innovation spillovers, employment, economic growth and greater European strategic autonomy.
Merger and antitrust enforcement
The European Commission also applies EU merger and antitrust rules to energy producers, suppliers, network operators, technology companies and environmental-service providers.
Merger control examines whether a proposed transaction could significantly reduce competition, increase market concentration or limit access to essential infrastructure and technologies.
Antitrust enforcement may address:
- cartels and price coordination;
- market-sharing agreements;
- abuse of a dominant position;
- restrictions on cross-border energy trading;
- discriminatory access to networks or infrastructure;
- exclusionary conduct affecting emerging competitors;
- anticompetitive agreements relating to technologies or standards.
Businesses can follow the Commission’s relevant energy and environment cases and the applicable legislation and policy framework.
Competition and the European Green Deal
Competition policy supports the objectives of the European Green Deal by helping to direct investment towards clean technologies while preserving competitive and open markets.
The key challenge is to balance three interconnected objectives:
- accelerating decarbonisation;
- maintaining the competitiveness of European industry;
- preventing excessive distortions within the Single Market.
This balance is especially important because Member States have different fiscal capacities. Without effective State aid control, countries with greater public resources could provide significantly more support to their national companies, creating unequal competitive conditions across the EU.
Energy & Environment Competition Cases
Businesses, energy operators, investors and public authorities can consult the Commission’s Energy & Environment Cases and Judgments page to follow antitrust investigations, cartel decisions, merger reviews and State aid cases involving electricity, gas, energy infrastructure and related environmental markets.
Why this matters for businesses
Competition policy developments in energy and environment can directly affect investment decisions, public funding opportunities, mergers, commercial agreements and access to infrastructure.
Businesses should monitor:
For energy producers, industrial companies, technology providers, investors and infrastructure operators, understanding the interaction between competition policy, energy regulation and environmental objectives is increasingly important.
Follow EU competition decisions, State aid measures, investigations and market developments shaping Europe’s energy and environmental transition.
Competition policy developments in energy and environment can directly affect investment decisions, public funding opportunities, mergers, commercial agreements and access to infrastructure.
Businesses should monitor:
- new State aid schemes and funding frameworks;
- Commission decisions authorising public support;
- energy-sector mergers and acquisitions;
- antitrust investigations and judgments;
- IPCEI initiatives and calls for company participation;
- changes to the CISAF and other State aid frameworks;
- competition rules affecting renewable energy and clean technologies;
- market investigations and developments in energy prices;
- public consultations and legislative revisions.
For energy producers, industrial companies, technology providers, investors and infrastructure operators, understanding the interaction between competition policy, energy regulation and environmental objectives is increasingly important.
Follow EU competition decisions, State aid measures, investigations and market developments shaping Europe’s energy and environmental transition.
