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Portugal National Electricity System and Renewables Market Rules (Law No. 15/2022)

Portugal National Electricity System and Renewables Market Rules (Law No. 15/2022): Portugal Electricity System Law: Decree-Law 15/2022, Renewables and Self-Consumption Rules

Maílis Carrilho
Written by Maílis Carrilho
Updated on June 7th, 2026

Summary

Portugal’s Decree-Law 15/2022 is the core framework for the National Electricity System, governing market organisation, licensing, and grid-related rules while enabling renewable integration. It supports self-consumption, collective self-consumption, and energy communities through ERSE-approved codes covering commercial relationships, metering, and data handling. Compliance risk is driven by registration/licensing accuracy, grid connection conditions, and operational metering/data obligations, especially for collective schemes. Enforcement typically operates via regulatory orders, licence-based measures, and settlement impacts where system rules are breached.

Details

Jurisdictions
  • Portugal
Mandatory for

Legally binding for:

Electricity system operators and licensed market participants.

Renewable producers and self-consumption participants where rules apply (including metering/data requirements).

Exemptions

Some rules vary by participant type and size (individual self-consumption vs collective schemes vs communities), with proportionality embedded in technical and commercial arrangements.

Deep dive

2 min read
Published Jun 7, 2026

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What’s Required

Decree-Law 15/2022 establishes the organisation and operation of Portugal’s National Electricity System (SEN), shaping market rules, grid access, and renewable/self-consumption integration. Key requirements include:

  • Rules for licensing, operation, and market participation across the electricity system.

  • Framework for self-consumption, collective self-consumption, and energy communities, with ERSE codes governing commercial relations, metering, and data handling.

  • Grid connection and operational requirements for producers and relevant market participants, subject to implementing regulation and licensing decisions

Important Deadlines

  • 14 January 2022: Decree-Law 15/2022 was published and came into force as the baseline SEN framework. Ongoing compliance with licensing and code-based obligations; project timelines are permit and grid-process-driven.

Current Status

In force; widely referenced as the legal basis for electricity market organisation and renewables integration, including self-consumption rules supported by ERSE instruments.

Penalties for Non-Compliance

  • Licence enforcement measures and regulatory orders.

  • Suspension/withdrawal risks for serious breaches.

  • Settlement and tariff consequences linked to metering/data failures in self-consumption arrangements.

Examples of Known Violations

  • Operating generation/self-consumption without correct registration/licensing where required.

  • Non-compliant metering/data handling in collective self-consumption setups.

  • Breaches of grid connection conditions leading to operational restrictions.

Resources


Maílis Carrilho
Added by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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Added on Jun 7, 2026 by Maílis Carrilho ·