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Frequently asked questions

Clarify all your doubts.

What is a self-consumption photovoltaic solar system?

The solar energy solutions with self-consumption allow you to produce and consume electricity in your home, generated by the sun.

These are systems composed by photovoltaic solar panels and other equipment that allow you to capture energy from the sun and convert it into electricity. The electricity generated can be used for your home or injected into the electricity grid.

What do the EDP Solar Energy Solutions include?

The EDP Solar Energy Solutions include counselling, supply and installation of a photovoltaic solar energy system conceived for the estimated consumption of each client. We offer a wide range of systems, from 1 to more than 100 panels, so we can suggest the best solution for your home.

Besides the photovoltaic solar system, our proposal includes, free of charge, one year of re:dy system, a solution that allows you to manage the energy of your home and the production of your solar system
The EDP Solar Energy solutions for residential clients, are exclusive for clients with an energy supply contract with EDP Comercial. If you are not presently an EDP Comercial's client on the supply of energy, and if you are interested, we can handle the switching process in a very simple and quick way.

How do I know how many photovoltaic solar panels are suitable to my house?

The EDP Solar Energy solutions are adjusted to the needs of each client.
EDP has a simulator, which according to simple questions and production and consumption profiles, will estimate the best EDP Solar Energy solution for each case. Every client who does the simulation will receive by email a report with the recommended solar energy system for their case.

To guarantee the profitability of your solar system, it is essential that it is sized for your consumption needs, in order to obtain a high percentage of energy self consumption.
To know the recommended solution for your case, use our solar energy simulator here, or call our client service line 808 91 43 72.

What is re:dy and what are the conditions to join?

re:dy is an innovative system which allows you to manage your home's energy, wherever you are. It allows you to monitor the production of your solar system, receive alerts in case your solar system stops producing, know your energy consumption, turn-on or turn-off your equipment wherever you are and when you want and automatically set your home's energetic efficiency. Learn more here.

Within the EDP Solar Energy solutions, re:dy will be offered free-of-charge for the first year (99€ of initial charge and 5,9€ per month) to the first 1,000 EDP Solar Energy's clients until the end of 2015, with contracted BTN power up to 41.4 kVA. Initial contract of 12 months, with monthly renewals thereafter. It is necessary to have a fixed Internet access where the solar energy system is installed.

What is the process to install an EDP Solar Energy system?

If you join the self-consumption EDP Solar Energy solutions, EDP will handle the installation process, to assure you that the system is safely installed and that it will give you the best return.

To get the process going you can request us to contact you or call us on 808 914372. We will clarify any doubts you may have and will advise you on the recommeded solution for your home. We will also make sure that your house is appropriate for a photovoltaic solar system, and after register and install the equipment in your house.

What is the price of the EDP Solar Energy solutions?

The EDP Solar Energy solution's price will depend on the solar system size. We have systems for 1 to 104 solar panels. Prices start at 30€ per month, considering 24 montlhy payments (includes installation and VAT) for an EDP Solar Energy system.

How do the monthly payments work in EDP Solar Energy solutions?

For EDP Solar Energy systems up to 6 panels, you can pay for the system in 24 monthly payments, without an initial down-payment, adding it to the monthly invoice of your EDP Comercial energy supply contract.

What are the advantages of joining the EDP Solar Energy program?

EDP Solar Energy offers several advantages:

- You produce your own energy that will allow you to reduce your electricity bill
- You can pay for your solar system in 24 monthly payments, without an up-front payment
- We estimate the recommended system for your house, finding the most appropriate solution for you
- A turnkey service, with high-quality equipment and first line waranties, and the support and experience of a company that has installed thousands of solar systems in Portugal
- Production of clean renewable energy, contributing to the sustainability of our planet
- Receive, free-of-charge, the re:dy system, a solution that allows you to manage your home's energy, including the control of your solar system's production.

What warranties come with the photovoltaic solar system?

The EDP Solar Energy systems offer extended warranties:
- Photovoltaic panels with 10 year warranty against manufacturing defects and a minimum maintenance of 80% of the power for 25 years
- Inverters with a 10 year warranty against manufacturing defects, for systems up to 6 photovoltaic panels, and 5 years for systems with more than 6 panels
- 2 year warranty on all the other equipment and installation works.

What are the benefits from producing my own solar energy?

All the energy that you consume coming from your solar energy system will not be bought from your supplier, so your electricity bill will decrease substantially. Or, in other words, what you are going to earn from the solar energy that you consume, is the tariff you would pay to your electricity supplier + VAT.

For example, if a client has a contracted tariff for a specific period of 0.15€/kWh, he will earn 0.185€ (0.15€ + VAT) for each kWh of solar energy produced and consumed.

For a typical case, this would mean a reduction in the electricity bill of about 20 to 30% if the system is properly dimensioned.

If you produce in excess, and decide to sell this electricity to the electric grid, the excess electricity will be paid for at the average price of the Iberian Energy Market Operator, minus 10%.

We estimate that the value resulting from this formula will be, on average, between 0.04€ and 0.05€ per kWh, which represents about 25% of the value that you will effectively earn from the self-consumed energy. You can find the details of the formula for calculating these earnings in the Portuguese Decree Law 153/2014.
To know the estimated earnings for your specific case, fill in the simulator here, or call us on 808 914372.

What is the return-on-investment period for the client?

The EDP Solar Energy solution's return-on-investment period is variable and depend on the specifics of each case, namely the consumption profile and the system's fit to it. However, in general terms, the return-on-investment period is between 5 and 10 years. In this context, it is essential to correctly dimensioning the solar system, in order to guarantee the shortest period for the return-on-investment.

Are there any taxes associated to the self-consumed energy?

Presently there are no taxes on the self-consumed solar energy. However, in the current legislation it is considered that Production Units for Self-Consumption (UPACs) with power above 1.5 kW (6 panels in EDP Solar Energy systems) and with an installation connected to the electric grid have to pay a compensation. This compensation is only due when the national installed UPACs power exceeds 1% of the total power installed in the National Electrical System (SEN) and is only valid for new systems installed. In other words, this compensation is not applicable for the clients that already have systems installed in a moment where the UPACs' representation is below 1% of the total SEN 's installed power.

When 1% of the total power is reached, the compensation is due on the new Production Units for Self-Consumption (UPACs) installed accordingly to the following terms:

-30% of the Economic Costs of General Interest (CIEG), as long as the UPACs' accumulated power does not exceed 3% of the SEN's installed power;
-50% of the CIEG, when the UPACs' accumulated power exceeds 3% of the SEN's installed power.

In the Decree Law 153/2014 you may consult the detailed formula for this compensation's calculation.

The monthly compensation to be paid is fixed when the UPAC starts operating and has a duration of 10 years, depending on the UPAC's installed power.

In the absence of sun, how can I get the electricity needed?

In situations of lack of sun, or insufficient electricity production, you can use the energy stored in batteries or get the electricity from the grid as you are used to do, regardless of your electricity supplier.

What happens when the solar energy production is more than the energy I need?

When the amount of electrical energy produced is more than the one you consume at your home, the excess energy will be injected into the electric grid. You can choose to be paid for the injected energy into the grid, but you will have to install some additional equipment, have the installation inspected, and then make a sales contract for the electricity produced with the last resource supplier for a 10 year period, renewable every 5 years. There is also the possibility of using batteries to store the excess energy for later use.

Can I store energy produced during the day and use it at night?

Yes, it is possible if you install batteries. These batteries will allow you to store the excess energy produced during the day and use it when you want. However, the investment for these batteries is currently quite high and is not justified from a financial point-of-view.

Where can I install the EDP Solar Energy system?

The solar system can be installed in any space without shades, on the ground, in the backyard, on a terrace or on the roof. The photovoltaic solar panels are the equipment that needs more space. Each panel needs about 2 m2.

Is it possible to install the EDP Solar Energy system in a condominium?

Yes, it is possible. If the system is going to be registered by the condominium, it is necessary to have the approval of the majority of the votes corresponding to more than half of the value of the building. If the system is registered by people living in the condominium but installed in condominium's common areas, then it must be approved by votes that represent two-thirds of the total value of the building.

What is the legal framework of EDP Solar Energy?

EDP Solar Energy solutions are framed in the Decree Law 153/2014 of October 20th, which regulates decentralized energy production activities, namely Production Units for Self-Consumption (UPAC) and Small Production Units (UPP). The EDP Solar Energy solutions for self-consumption fall within UPACs.

What are the main differences between UPACs and UPPs?

The main differences are the following:
- In Production Units for Self-Consumption (UPACs) the solar energy is produced first to supply the house to which it is associated, and only the excess energy is injected into the electric grid. In the case of Small Production Units (UPPs) all the produced energy is injected into grid.
- In UPACs, the client's earns are obtained through the energy that is produced by the solar system and replace the electricity that would have been supplied by the energy supplier. Aditionally and if one wants to earn from the excess injected into the grid he may do so. In the case of UPPs the earnings come from supplying all the energy to the grid for a specific tariff valid for 15 years that results from a bidding process foreseen in the Decree Law 153/2014.
- In UPACs there is no limit for the national installed power. In the case of UPPs a maximum limit of attributed power is defined.
- In UPACs the maximum installed power cannot be more than the power contracted for that consumption unit. In the case of UPPs, not only has the power to be limited to the power contracted for that consumption unit, but the photovoltaic solar system cannot be more than 250 kW.

What are the differences between EDP Solar Energy and the formely termed EDP Microgeneration?

Both the solutions of EDP Solar Energy and the former EDP MicroGeneration solutions are aimed to produce electricity from solar sources, through the installation of photovoltaic solar panels.

However, under the previous legislation, in the EDP MicroGeneration solutions all the electricity produced had to be sold directly to the public grid, at a pre-defined tariff.

Under the new legislation (Decree Law 153/2014), EDP Solar Energy solutions are primarily for self-consumption. First, the energy produced is used to supply the electricity consumption needs of the house, and it is only injected to the electricity grid only in the case of energy excess production.

What are the access conditions to produce distributed solar energy?

Anyone can have access to the production of electricity from a solar source. All you need to have is an installation that uses electrical energy, and if this installation is already connected to the electric grid, you must be the holder of the supply contract signed with an electricity supplier.

How do I deal with the registration, inspection and the exploration certificate?

EDP, if necessary, will give you support in all the process of your system registration, inspection and licensing. Read below the requirements needed, depending on the system installed power:

- Below 200W: there is no need for communicating or registering the system;

- Between 200W and equal or less than 1.5 kW: you only need to communicate previously your system in the electronic system for registration (SERUP);

- Between 1.5 kW and 1 MW: you need to start a process for registration, inspection and exploration certificate;

- Above 1MW: a license of production and exploration.

Is it possible to register more than one photovoltaic solar system?

Yes, provided that each registration corresponds to an installation with an energy supply contract in your name.

Is any type of insurance needed to the solar photovoltaic panels?

The Decree Law 153/2014 foresees the need of contracting a liability insurance for the system. However, the specific conditions to its insurance will be defined in a future document to be published by the government.

Beyond that, optionally, you can contrat a solar system insurance for external risks and breakdowns protection.

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