The best solar panels for home (solar generators)

solar panels, solar generators for home

La solar energy It is one of those that nature gives us completely free of charge. So, it is always important to take advantage of these natural sources to get electricity at no cost, saving on your future energy bills, whether to heat water, or to connect all existing electrical appliances.

To be able to take advantage of your own energy, now that they have removed the controversial tax on the sun, you can buy these panels and generators designed for the home, caravan, or camping. And don't let them prevent you from being self-sufficient.

Best solar panels for home (kits)

If what you are looking for are simple solar panels or kits To easily install it in your home, you have to consider the following recommendations:

Best solar generators for home or camping

On the other hand, there are also generators with solar panels, which you can use in your home when there is a power outage, for the caravan, for camping, or to bring electricity where there is none, and even connect various household appliances to prevent them from consuming from the general network. In this case, the recommended ones are:

Types of solar panels

roof with solar panels

In the world of photovoltaic solar energy, there are different types of solar panels that are distinguished by their manufacturing technology and properties. Each type has advantages and disadvantages that should be considered when choosing the most appropriate option for your needs. Below, we present a detailed analysis of the three most common types:

  • Monocrystalline silicon solar panels: manufactured from a semiconductor silicon crystal with a single direction in its crystal lattice, which gives it a higher conversion efficiency (between 16% and 22%). That is, this type of cells offer greater performance in conditions even of low light, allowing more energy to be obtained even with less installed surface. Additionally, they tend to have a fairly long lifespan, although they are more expensive and have a lower tolerance for high temperatures.
  • Polycrystalline silicon solar panels: manufactured from polycrystalline silicon, that is, with various mixed crystalline orientations, which makes them more economical, but with a lower conversion efficiency than monocrystalline silicon (between 13% and 16%). This makes them less effective for low light situations, better for bright climates. To achieve the same power generated, you will have to install a larger surface area, which can be a problem if you do not have enough space.
  • Perovskite solar panels: emerging technology with great potential. Manufactured with cheaper and lighter materials than silicon, and which promise greater conversion efficiency (up to 25% in research). Their weight is low, they can be flexible to install anywhere, although they are not yet as mature and have a shorter estimated useful life, in addition to degrading under exposure to high temperatures and humidity...
  • Other technologies: There are other technologies in development that seek to improve the efficiency and reduce the cost of solar panels. Among them are amorphous silicon panels (not widely used due to their low efficiency), CIGS panels (copper, indium, gallium and selenium) with efficiency similar to polysilicon, but with lower weight and greater flexibility, or organic ones made with materials organic and flexible…

Battery technologies for electrical energy storage

Are lithium batteries recyclable or not?

Hen/Stag portable power stations They usually use rechargeable batteries to store the energy generated or coming from the electrical grid. The most common types of batteries are:

  • Lithium ion (Li-Ion) batteries- They offer high energy density, meaning they can store a lot of energy in a compact size. They are durable and have a low self-discharge rate. However, they can be expensive and sensitive to extreme temperatures.
  • Lithium Polymer (Li-Po) Batteries- They are similar to lithium-ion batteries, but lighter and more flexible. However, the electrolyte in this case is not liquid.
  • Lithium iron phosphate batteries (LiFePO4 or LFP): They are safer and more stable than lithium-ion batteries, with greater tolerance to extreme temperatures and a lower risk of fire. However, they have a lower energy density, which means they are bulkier for the same storage capacity.
  • Lead-acid batteries: the most economical option, but also the least efficient and durable. They have a high self-discharge rate and are heavy and bulky.

All of this must be taken into account when choosing a generator or batteries for your solar system…

How to choose the best solar panels and generators

energy generator

Choosing the right generator or power station for your needs can be a complex task., since there are various models with different characteristics, technologies and prices. To make a correct decision, you should evaluate the following specifications:

  • Power- The power of the generator or power station is measured in watts (W) or kilowatts (kW) and determines the number of devices you can power simultaneously. Choose a power that exceeds the total power of the devices you want to use. For example, if you are going to connect a PC with a consumption of 150W and a 2000W heater, you should have at least 2500W, or more if you plan to connect more equipment...
    Portability: If you need to move the generator frequently, consider a portable, lightweight model. Some models even have wheels for easy transportation.
  • Ports and connectors: Most generators usually have Schuko or IEC plugs or outlets. This is important so that they are compatible with the devices you want to connect. In general, unless you need otherwise, it is better to choose the Schuko type, with the number of sockets that we need for our case. In addition, some models have another series of connectors, such as USB ports (A and C) for charging mobile devices and so on...

Al choose a photovoltaic solar panel, it is important to look at the following technical characteristics:

  • conversion efficiency: percentage of solar energy that the panel converts into electricity. Greater efficiency means more energy generation with fewer panels.
  • Rated Power: is the maximum power that the panel can generate under ideal conditions. It is measured in watts peak (Wp).
  • Dimensions and weight: size and weight of the panel, which influence the installation space and ease of assembly, in addition to the strength of the structure you will need.

Subsidies and aid for solar energy

installation of solar panels

Fortunately, if you want to convert your home to solar energy, In Spain there are various aids and subsidies to encourage the installation of solar panels in private homes during the year 2024. Although, unfortunately, you will have to have a certified company to carry out the installation, and they do not always allow you to install them.

Hen/Stag most important aid are:

  • At the national level we have the famous Next Generation Fund. This European program, managed in Spain by the IDAE (Institute for Energy Diversification and Saving), allocates a significant amount for the installation of photovoltaic self-consumption. Aid can cover up to 45% of the total investment, with a maximum of €6.000/kWp. The call for 2024 has not yet been published, but is expected to be open in the coming months.
  • At the regional level: Each autonomous community has its own lines of aid and subsidies for photovoltaic self-consumption. The specific conditions and requirements vary by region, so it is advisable to consult with the Energy Transition or Environment Department of your autonomous community for detailed information. Examples of regional subsidies:
    • Andalusia: you have the “Energy Renewal and Transformation in Residential Buildings” offers aid of up to 45% of the investment, with a maximum of €6.000/kWp.
    • Catalonia: you can benefit from the "Solcat", which offers aid of up to 50% of the investment, with a maximum of €7.000/kWp.
    • C.Valenciana: In this region you have the "Photovoltaic Plan", with aid of up to 40% of the investment, with a maximum of €6.000/kWp.

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