Smart Meters

Say goodbye to electricity consumption estimates

Smart meters are digital equipment that accurately measure electricity consumption and communicate electricity readings automatically and remotely. The replacement of old meters with this smart equipment, which automatically communicate with our systems, allows you to manage and change energy consumption, so that you can protect the environment, but also save. It is a fundamental step in the energy transition process that we are undertaking in Mainland Portugal, as they allow for a modernized, smarter, and more sustainable digital electricity grid, whose main benefits are:

Consumer empowerment: Access to detailed data about their consumption allows them to understand it and adopt more conscious and efficient behaviors.

Advanced energy management: Precise data collection enables you to more efficiently manage energy consumption and production.

Integration of renewable sources: With real-time data, the grid dynamically adapts and optimizes the integration of renewable energy sources.

Efficiency and loss reduction: Monitoring allows you to identify waste and implement operational improvement measures.

empoderamento do consumidor com os contadores inteligentes

Advantages of smart meters for you:

Automatic consumption recording:

No need to submit meter readings manually anymore.

Actual consumption:

Invoices are based on real consumption, eliminating estimates.

Personal energy profile:

Your actual data allows you to adjust your consumption behaviors.

Remote contract changes:

Fully remote, no need to wait for a technician.

Other advantages:
For E-REDES: 
  • Remote fault detection and resolution: Increases efficiency in the maintenance and operation of distribution networks. 

  • Reduction of CO2 emissions: Remote operations reduce the need for travel, contributing to decarbonization. 
     

    For the Energy Trader: 
  • Billing based on actual consumption: Improves accuracy in issuing invoices.
  • Tailored services: Possibility to adapt services to each customer´s consumption profile.

Smart meters are designed to record our customers' electricity consumption continuously and automatically. When this feature is active, you will receive a communication from E-REDES with this information. Until then, we advise you to continue to send the meter readings periodically.

For more information on how we are transforming the electricity sector, visit the Energy Transition page.
 

How is smart meters installed?

The installation of smart meters is carried out exclusively by duly identified technicians at the service of E-REDES, and is free of charge. If in doubt, ask the technician for identification and contact our Customer Support at 218 100 100 (available on weekdays from 8 a.m. to 10 p.m., call to the national landline) or through our contact form.

How can you check your consumption?

On the "Locations" page of our Digital Desk, you can consult and manage your electricity consumption locations. Through this platform, it is possible to view detailed information about each installation, such as consumption data, reading history and associated contracts. In addition, you can make requests related to your installations, such as changes to contracted power or data updates.

Check consumption

Have you lost power and don't know what to do?

In the event of a power outage, check whether the issue is widespread or only affecting your premises. If the outage is widespread, report the situation through the "Anomalies" page of the Digital Desk, where you can submit details, check the status of reported issues, and access information on the problem’s resolution. If the outage is limited to your premises, follow the steps below to reset the smart meter.

Smart Meter Reset Instructions

If you have access to the smart meter:  

  • Press the control button for 3 seconds.  


If you don't have access to the smart meter:  

  • Turn off the circuit breaker;
  • Wait 3 seconds;
  • Turn the circuit breaker back on.  

See our page on resetting smart meters for more details. 

Go to reset page 

Smart Meter Reset Instructions

If you have access to the smart meter:  

  • Press the control button for 3 seconds.  


If you don't have access to the smart meter:  

  • Turn off the circuit breaker;
  • Wait 3 seconds;
  • Turn the circuit breaker back on.  

See our page on resetting smart meters for more details. 

Go to reset page 

Frequently Asked Questions

  1. The installation of smart meters is part of E-REDES’ mission as the Distribution Network Operator, responsible for delivering an excellent public service focused on the customer and promoting the energy transition.

    The new meters have a more advanced technology that allows us to increase the quality of the service we provide you, such as the automatic remote collection of readings. In addition, we enhance environmental sustainability and energy efficiency.
     

  2. E-REDES has carried out, over the past few years, a smart meter installation plan that was completed at the end of 2024. However, there are still Normal Low Voltage (BTN) Consumption Sites that still do not have smart equipment due to lack of access. If you have not yet been contacted for the installation of a smart meter, we suggest that you contact us using the form.

  3. Yes. E-REDES informs customers in advance about the expected period for the installation of the smart meter.

    If you want to know if your installation is covered by the campaign for replacing electricity meters in the next 12 months, the query can be made through our chatbot, available at the bottom right of the page, by selecting the options “Meter / Meter Replacement”. You must have with you the Delivery Point Code (CPE) for your installation.

  4. No. E-REDES, as the Distribution Network Operator, is responsible for installing, replacing, operating and maintaining the smart meter, as well as informing the customer about its use. The equipment is owned by E-REDES.

  5. The data collected by smart meters are processed by E-REDES, with due safeguarding of the fundamental rights of the data subject.  
    These are used exclusively to ensure compliance with legal obligations and the legitimate interests of E-REDES, only for the period strictly necessary for the pursuit of processing purposes and with certain and determinable retention periods.  

    For more information on how E-REDES processes and protects personal data, you can consult the General Informative Note on Data Processing, available on the E-REDES website under privacy.

  6. When this feature is active, you will receive a communication from E-REDES with this information. Until then, we advise you to continue sending meter readings periodically.

  7. The installation of smart meters is supported by E-REDES, as the Distribution Network Operator, and, as such, does not require the payment of any monetary amount.

  8. Yes. The activation or deactivation of the electricity supply, in which it is not necessary for a technician to travel to the site, can be done remotely.  

    The service must be carried out within a maximum of 24 hours from the moment the request is received from the energy supplier, if the customer has not indicated a preferred date, or from the previously specified date and time. In an emergency situation, the service must be performed within a maximum of 3 hours after the request is received from the energy supplier.

    If it is impossible to perform the service remotely, within the maximum deadlines provided, the customer will be informed by E-REDES or by its supplier within 24 hours, so that it is possible to schedule a visit to its place of consumption. 
     

  9. The request to change the contracted power must be made to your energy supplier, who will then request the execution of this service from E-REDES.

    As soon as you receive a communication from E-REDES informing you that the meter is integrated into a Smart Network, the service will be performed remotely, without the need for any technical visit.  

    In the case of changing the number of phases of the installation (example: Single-phase to Three-phase), the contractual changes are all made on-site.
     

  10. To consent to access energy data to third parties, you will have to access the Balcão Digital and follow the steps according to the procedure found here.

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Perguntas frequentes sobre Smart Metering Plus

  1. Smart Metering Plus is a technological solution that facilitates near real-time access to smart meter data. In practical terms, it consists of virtualizing access to the HAN port, which currently can only be done locally and by installing an additional device by the interested party.

    This solution includes two main features:

    • Access to a standardized API for online, near real-time access to smart meter data. This API provides raw data, equivalent to what currently happens with the physical HAN port.
    • Access to real-time information and new services, made available directly to the end customer through the E-REDES APP and/or Digital Counter.
       

  2. Energy management at the residential and small business level is becoming increasingly important in the context of energy transition (PV, PCVE, heat pumps, etc.). This energy management requires (almost) real-time knowledge of consumption, production, and connection status to the distribution network.

    The Smart Metering Plus solution facilitates access to consumption and production data in (almost) real time, as this data is now available online. This easier access to data will enable the market to develop and promote new services of real value to the customer. These services may be provided by third parties, namely by marketers, energy service providers, and/or aggregators (among others).

  3. As this is a new service currently under development, the pilot project has a number of complementary objectives:

    · To test the technological solution and concept in a real environment;

    · To obtain customer feedback on the service and interfaces provided (APP, Digital Counter, and API);

    · To optimize the solution before any industrialization of the service;

    · To prepare for the provision of additional services.

  4. As this is a new service currently under development, the information and services available during the pilot phase will be a subset of the final service.

    During this pilot phase, a subset of the information available on the physical HAN interface will be available, in accordance with specification document DEF-C44-509. Specifically, the following quantities will be available: instantaneous imported and exported power (*), imported and exported active energy totalizers, maximum power, and instantaneous voltage (*). [*with phase discrimination in the case of three-phase installations]

    At a later stage, after the pilot, the customer will be able to select the subset of information to receive/consult.

  5. Participants in the pilot programme will have access to information through the Digital Counter, the E-REDES app, and a standardised API. In the case of the Digital Counter and the E-REDES app, information will be made available in visual and/or graphic format. In the case of the API, raw data will be made available in standardised format.

  6. The frequency of information updates during the pilot phase will normally be less than 10 seconds.

    However, considering that service optimization is one of the objectives of the pilot, there may be adjustments to the frequency of information updates during the course of the pilot.

  7. Participation in the pilot phase does not entail any additional costs for participants.

  8. The pilot program is expected to last six months.

  9. The pilot phase will serve to optimize the service, tailoring it as closely as possible to the needs of customers and other relevant stakeholders. To this end, it is hoped that, by the end of the pilot, participants will be able to provide feedback on the service (in its various forms—Digital Counter, APP, and API) and opportunities for improvement.
     

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