Net Metering

Self Consumption Photovoltaics (Net Metering)

With the installation of a Photovoltaic (PV) system you can take advantage of the abundance solar energy to produce your own electrical energy in order to be independent and set the amount paid to bills of electivity almost to zero. In this way you will become a self consumer meaning that you will produce the energy that you consume and above all this energy will be clean and green energy.
This scheme, known as Net-Metering, allows you to use the green energy produced by the PV systems for your own consumptions and to use the grid as storage for the excess energy produced. The term “net” refers to the fact that you will be charged only for the difference between energy you consume and the energy that PV systems produces. And this refers to a 3 years cycle. In case that the energy produced by the PV systems exceeds your own consumptions, the excess solar energy is fed to the grid and it will be subtracted by the energy you derive from the grid at another time of the year (for the next 3 years).
The basic points of Net Metering in Greece are:

  1.  All energy produced by the PV systems is used for the user needs.
  2. In case that the solar energy is not enough,
      • without batteries: the user will also use the gird to extract energy
      • with batteries: rest of the energy will be drawn from the batteries. When the energy of the batteries is not enough, the rest of the energy will be taken from the public grid.
  3. In case that the energy produced by the PV systems exceeds the used needs,
      • without batteries: the excess energy is fed to the grid
      • with batteries: the excess energy will be used to charge the batteries and when they are fully charged, the excess energy would not be lost, but will be fed into the grid
  4. For three years, the energy that you fed into the grid is subtracted from the energy that you got from the grid, so you will be charged only for the net amount of energy that you got from the grid.

In this way you can

  • You save electricity costs
  • You make yourself more independent from rising electricity prices
  • You can keep track of your electricity consumption, which gives you an overview and helps you save energy and money
  • You can increase the value of your property and protect the environment
20200622 115624 1
20210205 154706
20210602 115558

Licensing procedure

In order to install a photovoltaic Net Metering system, you should get a license from the grid company, ΔΕΔΔΗΕ (HEDNO)
The licensing procedure is as follows:

  1. Submission of the Connection Application in LV network to HEDNO
  2. Payment of the connection cost to HEDNO. The cost of connecting the system to the network HEDNO, will be determined after the submission of the Connection Application. Usually is 300 € to 390 € plus VAT.
  3. Sign the Connection and Offsetting Agreements to the relevant departments of HEDNO and PPC (ΔΕΗ or other)
  4. Send the PV energy meter to the HEDNO laboratories in Athens for certification
  5. Installation of the PV system
  6. Activation of the system to the relevant departments of HEDNO.

In order to make submit Connection Application to HEDNO the following are needed:


  • In case that you bought the land and then you built the house
    • Land Purchase Contract together with the corresponding Mortgage Transfer Certificate
    • Building permit of the house
  • In case that you bought the land with the house
    • Land Purchase Contract together with the corresponding Mortgage Transfer Certificate
  • hardcopy of Current bill of PPC (ΔΕΗ or other)
  • A Responsible statements that the owner must sign (the sign must be verified by a public authority)
  • In case there are many owners, the application will be submitted by the owner whose name is in the electricity bill and the other owners must sign a Responsible statement that allows the first owner to install the PV system (the sign must be verified by a public authority)
  • photocopy of your passport or ID
  • An official paper that states your VAT

More information about Net Metering

To learn more about what net metering is, click here.

Read more about the licensing procedure for the installation of a photovoltaic Net Metering system by pressing here.

Read detailed information about what we save with a photovoltaic net metering.

See the 10 most frequently asked questions about Net Metering.

The Hellenic Association of Photovoltaic Companies has published a complete guide that can answer all your questions. It is based on data from HEDNO (15/1/2022) and the most recent regulations, while examples have been provided for better understanding on the part of those interested.

Finally, you can visit the relevant HEDNO page for RES & SITHYA Stations by self-producers with Energy Offset or Virtual Energy Offset, that contains all the information about the applications, the institutional framework, application file, relevant announcements, etc.


We are by your side in all stages of the process

Design - Study

We study and design both the technical elements of the photovoltaic system and the financial feasibility of your investment. By using specialized meteorological data, forecasting software packages and simulating the operation of the photovoltaic system, we are given the opportunity to analyze the projected energy produced by the station and deliver a complete economic and technical study to decide together the feasibility of an investment.

Investment financing

We assist advice and support you in choosing the right financing for your investment, either through financial instruments or through lending.


We support the whole process to the competent services and we submit for you all the necessary documents.

Supply of equipment

Our cooperation with the largest and most reliable suppliers, enables us to select the appropriate equipment for each project based on technological specifics, reliability, availability and final cost. Each project is special for us and requires not only special design, but also the selection of appropriate equipment, which includes: photovoltaic panels, inverters, mounting bases, electrical equipment (wiring, lightning protection, surge protection, etc.).


SolarWay’s specialized and experienced team, undertakes the complete installation of the photovoltaic system, delivering it “turnkey”. All our projects are delivered on time according to the agreed schedule. Each project is implemented following Project Management methodologies to ensure the timely and quality complete completion of the project.

Photovoltaic Power Plants

Invest in the energy of the future.

Off Grid Photovoltaic Systems

Meeting your energy needs, off grid.

Support & Maintenance of Photovoltaic Systems

Keep your investment prosperous.