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Importance of the energy solar panels budget. Calculate your budget.
Calculate your budget. A photovoltaic system makes it possible to supply your home or business with electricity. Solar panels receive radiation from the sun, which generates electricity. This means that we benefit, first of all, from the savings in electricity consumption. In addition, it increases the value of our home and contributes to the preservation of the environment.
The decision. Calculate your budget.
The decision to install solar panels in our house should be taken very seriously. By means of a solar panel quotation you have the possibility to know in detail the price of the solar panel installation. With the specific prices for all elements and in some cases also for the maintenance.
However, we should not only look at the price of a solar panels quotation for a single-family house. It is very important to bear in mind aspects or details that we must compare and be clear about. Aspects such as the characteristics of the solar panels, or which inverter they offer. The guarantees offered, both by the manufacturer and the installers themselves. So different points that are important and then we will see.
Calculate your budget.
First, let’s look at a couple of examples of budgets. One of them for an isolated house and therefore with the need to include solar batteries in the installation price of solar panels. And the other, a quote for solar panels for a house connected to the electricity grid.
Once the information on electricity consumption is available, the installer will analyse the aspects that influence the photovoltaic installation. He will study the roof where the installation of solar panels is to be carried out, the roof and its surface, its orientation and inclination, the solar radiation of the place, etc.
With all this information, he will make a composition of the energy needs and the possibilities offered by the house. He will then choose the right solar kit for you. Each solar panel kit includes all the minimum components necessary for the correct operation of the photovoltaic installation.
Below is an example of a quote for solar panels for a detached single-family house.
The basics of a solar budget
Below, you will find the details that you need to have in a solar panels budget for a single-family house. Also, remember that Hogarsense has collaborating installers who will prepare personalised studies and detailed budgets to carry out your photovoltaic project.
1. Type of home
The budget for solar panels varies depending on the type of home and its energy needs. Therefore, it is important to carry out a preliminary study to determine the type of property and the number of solar panels that need to be installed to supply the installation.
If the installation does not supply us with all the energy we need, the most advisable thing to do is to continue with the supply through the electricity grid. In other words, both self-consumption and electricity savings will be lower. However, we will benefit from the compensation of surpluses and even from some self-consumption bonuses.
2. Type of roof
In addition to the type of house, when requesting a quote for solar panels we must know the type of roof. The difficulty varies when it comes to making an installation on a sloping surface with tiles or on a roof with flat and firm ground. Therefore, in the quotation for solar panels, it must be made clear on which roof the installation is to be carried out.
This can have an influence on the price of the anchors to be used, since the purpose of the photovoltaic structures is to prevent the panels from moving or falling off. The age of the roof or the material used to make the roof also has an influence on the price of installing solar panels. And we will see this reflected when requesting a quote for solar panels. If the roof is not in good condition, it should be repaired beforehand to avoid future leaks in the house.
3. Available roof surface
It must be taken into account that solar panels increase the weight on the roof and it must be able to support it. We will have to consult the technicians, before requesting a quote for solar panels, if our roof is in optimal conditions. This way we will know if a photovoltaic installation can be carried out on it.
We must also take into account the available surface area and if there is availability for an installation without impediments. For example, chimneys, antennas or others that make it impossible to place solar panels or that cause shadows. In short, what usable surface area is available.
4. Manufacturer’s guarantee of the solar panels
A photovoltaic installation is composed of solar panels and other elements, such as solar structures, batteries, inverters. Solar panels have a manufacturer’s warranty of 10 to 12 years, but there is also a power warranty of approximately 20 to 25 years. This varies according to the brand and type of solar photovoltaic panels.
For this reason, we recommend looking for the best options of manufacturers in the photovoltaic market. So that we check that the efficiency of the solar panels is optimal for our daily consumption and covers all our needs. Efficiency is an important factor, since the higher the efficiency of the solar panel, the more energy it will produce.
5. Dimensioning the photovoltaic system
For an off-grid photovoltaic installation, a correct dimensioning is of vital importance in order to be able to avoid problems of lack of electricity and in this way guarantee the supply in our home. In the price for the installation of solar panels, the installer will calculate the optimal dimensioning of the installation.
In order to have an adequate solar panels budget, it is necessary to know in detail our energy consumption. This is divided by the yield of the system. In this way we can calculate and estimate the total amount of electricity we need. The solar radiation in the area where the installation project is to be carried out also plays an important role, as the energy production depends on this.
6. Inverter power of the photovoltaic system
The inverter is an essential element in the photovoltaic installation. The installer must choose it so that it is capable of absorbing the electrical power generated by the solar panels. It has the function of converting the electrical energy from direct current to alternating current. In this way we can use the energy that comes from the sun for household appliances.
Another function of the solar inverter is to ensure the safety of the solar power system and to monitor the performance of the solar panels. A professional installer will ensure that the inverter is installed in a place protected from sun, heat and water.
7. Interest in photovoltaic batteries
Unfortunately, lithium batteries increase the price of the installation of solar panels, as they are an expensive component. In the case of being connected to the grid, when preparing the budget for solar panels, the installer will evaluate whether or not to include them in the study.
It is a question of cost-effectiveness and amortisation. This is the reason why an experienced professional will calculate whether it is interesting to install them or not. Solar batteries allow us to accumulate the electricity generated for use at a later time. For example, during the night.
8. Choosing the installation company
Choosing a company to provide a quote for solar panels is not an easy decision. However, they must be specialists who offer guarantees in their work and technical assistance. Above all, we must bear in mind that each photovoltaic consultancy is personalised and therefore the quote for solar panels will be individualised.
It is important that we participate in the whole process, supervising the work from the plan to the operation of the solar panels. Hogarsense helps us to contact qualified installers who will guarantee the generation of energy in our home.