ts invested in installations carried out in the habitual residence and in collective installations in the building, destined for any of the purposes indicated below, provided that these are not related to the exercise of an economic activity.
Regional aid for self-consumption. Subsidies for solar panels in Andalusia.
Subsidies of 40% of the total value of the self-consumption installation. Applicants must meet the following requirements.
The home must have been built before 2017. The applicant’s home must be the habitual residence. They must be resident in Spain. Applicants must not have applied for any other similar aid for the same installation. The application must be made prior to the installation. IBI tax rebate The Real Estate Tax (IBI) is a municipal tax established by each local council that affects all property owners.
You can obtain a rebate of up to 50% of the full amount of the tax for 10 years, depending on the council:
Subsidies for solar panels in Andalusia benefits:
Cordoba: Up to 50% for 10 years Málaga: Up to 15% for 3 years Seville: Up to 50% for 3 years and 30% for 27 years. Huelva: Up to 50% for 3 years Almería: Up to 50% for 3 years Cadiz: Up to 50% over 4 years Granada: Up to 50% for 1 year Jaén: Up to 50% for 1 year Jerez de la Frontera: Up to 25% for 1 year Rincón de la Victoria: Up to 15% for 3 years Tomares: Up to 50% for 3 years and 30% the following 2 years Marbella: Up to 25% for 5 years Dos Hermanas: Up to 50% for 5 years San Fernando: Up to 50% for 3 years El Puerto de Santa María: Up to 50% over 2 years Vélez-Málaga: Up to 50% for 3 years Torremolinos: Up to 50% for 3 years
At KiDi-solar we take care of everything We take care of all the administrative and legal formalities necessary to carry out your photovoltaic self-consumption installation. We also take care of processing the available subsidies.
Legal framework for solar panels. Nowadays, more and more families and businesses are considering installing solar panels to help the environment or to save money on their electricity bills, but it can be a real headache to find out about the legalities surrounding solar energy.
Having solar panels is legal for all types of consumption, whether they are off-grid installations, self-consumption installations with or without batteries…
In this article we answer the most frequently asked questions about solar panels and the legislation (Royal Decree) that we have to take into account. What types of self-consumption are covered by RD 244/2019?
Self-consumption without surpluses has an anti-spill device that prevents the injection of surplus energy into the distribution network, so that the energy generated but not consumed is lost, so we try to consume as much energy as possible during the hours when the sun shines. It is easier to install because it does not require access permits and connection to any electricity company.
Self-consumption with surplus produces, as its name suggests, electrical energy for self-consumption, but has the capacity to inject its surplus energy into the transport and distribution networks. This is measured by a device called a wattmeter. Although they are more difficult to install, as of Royal Decree Law 244/2019, these installations also do not need access and connection permits unless they exceed 15kw.
Legal framework for solar panels. Is there any compensation for energy surpluses?
Yes! There are a number of requirements to be met, but there is the possibility to take advantage of compensation so that if as users we do not consume all the energy produced by our installation, we can inject it into the distribution grid and at the end of each billing period we will be compensated for our energy surplus. The requirements are as follows:
The energy must come from a renewable source (such as solar energy).
The power of the installation cannot exceed 100kW.
The consumer must have a single supply contract for consumption with one supplier.
The consumer and the producer must sign a surplus compensation contract as specified in RD 244/2019.
The consumer cannot obtain an economic benefit as it is not a remunerative activity. This means that only the energy not consumed can be compensated and the result of the bill will never be negative.
Can I make collective consumption of a solar panel installation?
Yes! According to RD 244/2019 you can share energy with other consumers by means of an electricity agreement. Shared self-consumption installations can be connected to an internal network, such as a community of owners, or through the network, for example, two companies that are close to each other but in different buildings.
The associated consumers must always be connected to the same transformer and the power distribution must be LV (Low Voltage). In addition, there must be a maximum distance of 500 metres between the photovoltaic plant and each of the associated consumers. What permits do I need to install solar panels?
The user does not need to know about this in detail as it is usually the installation companies that take care of these formalities, but it is good to inform yourself as a consumer. According to RD 244/2019, the following is required:
Design of the installation
Access and connection permits / guarantees or warranties
Environmental and public utility authorisations
Preliminary administrative and construction authorisation
Building permit
Execution of the installation
Initial inspection and periodic inspections
Installation and/or completion certificates
Authorisation of the installation
Access contract
Energy supply contract ancillary services
Activity licence
Sharing agreement and surplus compensation contract
Registration in the Autonomous Region's Self-consumption Register
Registration in the Administrative Register of Self-consumption of electrical energy
Registration in the Administrative Register of Electricity Producing Installations (RAIPRE)
Market representation contract
How solar panels work. Solar panels are already being used to power a wide variety of equipment, from mobile gadgets to electric cars. First used to power space stations more than 40 years ago, solar panels are now firmly established in everyday life as a source of clean, free energy. The sun has always sent and still sends billions of kilowatts of radiant energy to the earth and this source will continue to do so for millions of years to come.
One of the energy sources is a solar panel that generates alternative energy from the sun. It is relatively new, but has already gained popularity in Europe due to its high efficiency and reasonable cost. Solar panel is an almost inexhaustible source of energy, capable of storing and converting light rays into energy and electricity. In Ukraine, a new source of energy is gradually gaining popularity.
How solar panels work. Operating Principle of Solar Cells.
On the principle of solar cells is a constant current photoelectric generator, which uses the effect of converting the rays of energy into electrical energy. More specifically, solar cells utilise the property of semiconductors based on silicon crystals. Quanta of light hitting a semiconductor wafer knock out an electron from the outer orbit of that chemical element’s atom, which creates enough free electrons to generate an electric current. However, one or two silicon elements are not enough for the voltage and power of such a source to be sufficient for household applications.
Therefore, they are assembled into complete panels, where they are connected in parallel or in series. The area of such panels may vary from a few square centimetres to several square metres. By increasing the number of panels, it is possible to achieve a higher power output from a energy solar panel.
However, the performance of a solar panel depends not only on the area, but also on the intensity of the sunlight and the angle of incidence of the rays. Consequently, the performance of the solar panel depends on the area and geographical latitude where the house is located, on the weather and time of year, and on the time of day. In addition, in order for the solar panel system to work and supply energy to the grid, a number of additional electrical devices must be installed, in particular.
-An inverter that converts direct current to alternating current; -A rechargeable battery whose role is to store energy and smooth out voltage variations due to changes in light conditions; -A battery charge controller that prevents the battery from overcharging or discharging prematurely.
All this is called an autonomous power supply system based on solar panels.
How solar panels work. What is the principle of an alternative energy source?
Firstly, the photovoltaic cells are silicon wafers. Silicon, on the other hand, is similar to pure silicon in its chemical composition. It is this nuance that has made it possible to lower the cost of a solar cell and put it on the assembly line already.
It is imperative that silicon is crystallised as it is itself a semiconductor. Monocrystals are much easier to make, but they do not have many facets, due to which the electrons are able to move in a straight line.
It is important to know that the addition of phosphorus or arsenic increases the electrical conductivity. Also one of the important properties of silicon is its invisibility to infrared radiation. Thanks to this element, the converter blocks only absorb the useful parts of the solar spectrum.
Sequence of operation of a solar panel. How solar panels work.
1. the energy of the sun enters the plates. 2. The plates heat up and release electrons. 3. the electrons actively move along the conductors. 4. The conductors give a charge to the batteries.
The design and operating principle of a power source can be described as simple.
It consists of just two parts: the main body; the converter units. In most cases, the casing is made of plastic. It looks like an ordinary tile, to which the converter units are attached.
The transducer block is a silicon wafer. It can be made in two ways: polycrystalline; monocrystalline. The polycrystalline method is the least expensive and the monocrystalline method is considered the most efficient. All other additional parts (e.g. controllers and inverters), microcircuits are attached only to increase the performance and function of the energy source. Without them, the solar panel will also be able to function.
There are two types of connection: in series; in parallel. The only difference is that the parallel connection increases the current and the series connection increases the voltage. If there is a need to maximise the operation of two parameters at once, parallel-serial is used.
But it is worth bearing in mind that high loads can cause some contacts to burn out. Diodes are used to prevent this. One diode is capable of protecting one quarter of the photocell. If they are not in the device, there is a good chance that the entire energy source will cease to function after the first rain or hurricane.
Like any technical device, a solar panel has its own performance and technical specifications, which differ between models, from different manufacturers, but with a rather small discrepancy. For a solar panel area of approx. 0.2 m², the module output is approx. 10 W. The voltage at maximum load is approx. 25 V. The short-circuit current is approx. 500 µA. The module weighs approx. 2 kg. Typical efficiency of a solar panel is 14 to 18%. The service life of such a plate is at least 25 years
