Do solar panels need direct sunlight or just light?

Solar panels are an increasingly popular source of renewable energy. They work by converting sunlight into electricity, which can be used to power homes and businesses. However, many people are unsure whether solar panels need direct sunlight to operate effectively. In this article, we will explore this question in more detail and provide an overview of how solar panels work.

Firstly, it is important to understand how solar panels generate electricity. Solar panels are made up of photovoltaic (PV) cells, which are typically made from silicon. When sunlight hits the PV cells, it causes electrons to move and create an electric current. This electric current is then collected and used to power appliances and devices.

So, do solar panels need direct sunlight to work? The answer is yes, but it depends on how much electricity you want to generate. Solar panels work best when they receive direct sunlight, as this provides the most energy for the PV cells to convert into electricity. However, solar panels can still generate electricity on cloudy or overcast days, albeit at a reduced rate.

One of the main factors that affects the performance of solar panels is the amount of sunlight they receive. Solar panels need a certain amount of sunlight to generate electricity efficiently. This is usually measured in terms of “peak sun hours”, which is the amount of time that the sun is shining at its maximum intensity. In most parts of the world, this typically ranges from 4 to 6 hours per day on average.

In addition to the amount of sunlight, other factors can also affect the performance of solar panels. These include the angle and orientation of the solar panels, as well as any shading or obstructions that may block the sunlight. For example, if your solar panels are shaded by trees or nearby buildings, they will not be able to generate as much electricity as they would in direct sunlight.

There are also different types of solar panels that are designed to work in different lighting conditions. For example, some solar panels are designed to work in low light conditions, such as on cloudy days or in areas with less sunlight. These panels are often referred to as “low-light” or “amorphous” panels and are less efficient than standard PV panels but can still generate some electricity.

In conclusion, solar panels do need direct sunlight to operate effectively, but they can still generate electricity on cloudy or overcast days. The amount of sunlight, the angle and orientation of the solar panels, and any shading or obstructions all affect the performance of solar panels. If you are considering installing solar panels, it is important to take these factors into account and work with a professional installer to ensure that your solar panels are installed in the most effective way possible. By doing so, you can maximize the amount of electricity generated by your solar panels and reap the benefits of this clean, renewable energy source.

Advantages and disadvantages of solar energy

Solar energy has several advantages, including:

  1. Renewable and abundant: Solar energy is a renewable resource that is abundant and available almost everywhere.
  2. Environmentally friendly: Solar energy is a clean source of energy that does not produce any greenhouse gas emissions or other harmful pollutants.
  3. Cost-effective: The cost of solar panels has decreased significantly in recent years, making solar energy more affordable for homeowners and businesses.
  4. Energy independence: By generating their own electricity, homeowners and businesses can become more self-sufficient and less reliant on fossil fuels.
  5. Low maintenance: Solar panels require very little maintenance and have a long lifespan, making them a low-maintenance option for generating electricity.
  6. Job creation: The solar energy industry creates jobs in manufacturing, installation, and maintenance, supporting local economies.
  7. Scalability: Solar energy can be scaled up or down to meet the energy needs of different applications, from small residential systems to large-scale utility installations.
  8. Off-grid power: Solar energy can be used to power remote or off-grid locations, providing electricity where traditional power sources are not available.
  9. Energy security: Solar energy provides a reliable source of electricity that is not subject to supply disruptions or price fluctuations.
  10. Public health benefits: By reducing air pollution and greenhouse gas emissions, solar energy can improve public health and help to mitigate climate change.

Solar energy also has some disadvantages, including:

  1. Intermittency: Solar energy is dependent on the availability of sunlight, so it is not a constant source of energy and can be affected by weather conditions.
  2. Energy storage: Energy storage systems such as batteries are required to store excess energy generated during the day for use at night or during periods of low sunlight, which can add to the overall cost of a solar energy system.
  3. Upfront cost: Although the cost of solar panels has decreased, the upfront cost of installing a solar energy system can still be relatively high, which may deter some homeowners and businesses from investing in solar energy.
  4. Land use: Large-scale solar energy installations can require a significant amount of land, which can impact natural habitats and open space.
  5. Efficiency: Solar panels have an efficiency range of 15-20%, which means that some of the energy from the sun is not captured and converted into electricity.
  6. Geographic limitations: Some areas may not receive enough sunlight to generate sufficient electricity from solar panels, which limits the applicability of solar energy in certain regions.
  7. Manufacturing processes: The production of solar panels and other components of solar energy systems requires energy and resources, which can have environmental impacts.
  8. Visual impact: Some people may find the appearance of solar panels unappealing, particularly when they are installed on homes or in scenic areas.
  9. Maintenance: While solar panels require little maintenance, they do require periodic cleaning to ensure that they continue to generate electricity efficiently.
  10. Disposal: Solar panels contain materials that can be difficult to recycle, which can result in environmental impacts when they reach the end of their lifespan.

Several facts about solar panels

  1. Solar panels are devices that convert sunlight into electricity using photovoltaic (PV) cells.
  2. The first solar panel was invented in 1954 by Bell Labs scientists Daryl Chapin, Calvin Fuller, and Gerald Pearson.
  3. Solar panels are made of silicon, which is a semiconductor material that can absorb sunlight and release electrons, producing an electrical current.
  4. Solar panels work best when they are facing south and are tilted at an angle that is equal to the latitude of the location.
  5. Solar panels are typically installed on the roofs of homes and buildings, but they can also be installed on the ground or on specially designed structures.
  6. Solar panels require little maintenance and have a lifespan of 25-30 years or more.
  7. The efficiency of solar panels varies depending on the quality of the panel and the amount of sunlight received. On average, a typical solar panel has an efficiency of 15-20%.
  8. Solar panels can be used to power homes, businesses, and even entire cities.
  9. The use of solar panels reduces dependence on fossil fuels and helps to mitigate climate change.
  10. Solar energy is renewable and abundant, making it a promising source of clean energy for the future.
  11. Solar panels generate direct current (DC) electricity, which must be converted to alternating current (AC) electricity for use in homes and businesses.
  12. The cost of solar panels has decreased significantly over the years, making them more accessible to homeowners and businesses.
  13. The amount of electricity generated by solar panels depends on factors such as the size of the panel, the amount of sunlight received, and the temperature.
  14. Solar panels can be combined with energy storage systems, such as batteries, to store excess energy generated during the day for use at night or during periods of low sunlight.
  15. Solar panels can also be used for remote power applications, such as powering equipment in remote locations or in space.
  16. Solar panels are environmentally friendly and do not produce any greenhouse gas emissions or other harmful pollutants.
  17. The installation of solar panels can increase the value of a home or property.
  18. Solar panels can be damaged by extreme weather events such as hail, hurricanes, and tornadoes, but are generally designed to withstand most weather conditions.
  19. Solar panels require little water for maintenance, making them ideal for use in arid or drought-prone areas.
  20. In addition to producing electricity, solar panels can also be used to heat water for use in homes and businesses, through the use of solar thermal technology.

Become a self-consumer by installing solar panels on your home

Solar self-consumption is the act of using your solar energy to run devices within your home or business. It will happen automatically when appliances are switched on in your home while your solar system is producing energy.

Installing solar pannels you will be able to benefit from the energy that the sun gives us every day. The solar panels convert solar energy into electrical energy, so that you can use it directly at home or, even, store it in a battery.

If you have a roof then you can take advantage of solar energy and produce your own photovoltaic energy. Imagine how we can transform and improve the planet on which we live!
Just send us your location and your electric bill to

We will be glad to inform you

Oferta Aerogenerador Bornay 600W 12V (para 24V consultar): 1.950 euros

Energía eólica, Aerogenerador de electricidad.
También como complemento ideal para su instalación solar fotovoltaica aislada puesto que cuando no hay sol, es porque hay nubes y probablemente viento:
Especificaciones técnicas
Número de hélices: 2
Diametro : 2 mts
Material : Fibra de vidrio / carbono
Dirección de rotación: Contrario a las agujas del reloj
Sistemas de control: 1) Regulador electrónico
2) Pasivo por inclinación

Velocidad de viento:
Para arranque: 3,5 m/s
Para potencia nominal: 11 m/s
Para frenado automático: 13 m/s
Máxima velocidad de viento: 60 m/s



Bonificaciones existentes en la inversión en energía solar:

*Bonificación I.B.I.-contribución-: 50% durante 5 años en  Cocentaina y Muro

*Deducciones Fiscales 20% tramo autonómico IRPF  hasta 8.000€ en base.

Ejemplo de instalación para vivienda unifamiliar 3,35 kW

(incluye inversor híbrido Huawei y 10 módulos primeras marcas )

*Producción eléctrica anual estimada: 4.640 kWh

*Ahorro máximo autoconsumiendo 100% (0,17€/kwh) =788,80 € anuales

RENTABILIDAD CENTRAL SOLAR Sin Bonificación IBI IBI de 600 € -bonif.50%-
Electricidad autoconsumida 50% 13 % 19 %
Electricidad autoconsumida 100% 20 % 29 %

Infórmese ahora con tan solo enviarnos su factura eléctrica a

Suministro de electricidad en casa de campo o montaña

Si desea suministro de electricidad en su casa de campo, no dude en contactar con nosotros. Sin limitaciones, similar garantía de suministro que su compañía eléctrica .
Suministro de electricidad desde la energía solar y energía del viento (eólica).
Consulte subvenciones disponibles para este tipo de instalaciones.
638 10 11 18

Electricity suppliers for Isolated houses and mountain houses

We supply renowable electricity for isolated houses and mountain houses in Alicante and Valencia Area.
The sun and Wind are our main electricity sources.
In 2005 we bet for solar energy and wind energy.
Since then, with years of experience in this job , we know what you need. We provide supply security.
Contact with us

Kit Autoconsumo:Empieza a autoabastecerte de electricidad

Kit Mini : Panel 240W + Inversor 250W . A partir de 525 euros (portes no incluidos). Ahorro estimado de 60 euros/año

Kit Básico :  3 paneles solares 215 W +  1 inversor 600 W+kit adaptadores conexiones+kit estructura cubiera plana+cable solar :  Precio: 1.650 €  (Portes no incluidos). Ahorro estimado 185 euros anuales.

Recuerde, los incrementos del precio de la electricidad incrementan los beneficios reportados por el Kit Autoconsumo.


солнечной энергии

Вы можете создавать собственное электричество за счет возобновляемой энергии, Что поможет вам снизить счет-фактуру.

Если у вас имеется контракт на 15 кВт или больше с компанией электроснабжения, Мы предлагаем вам, экономить деньги за счет установки солнечных батарей или энергии ветра.

Работаем любом городе провинции Аликанте ( Коста Вланка): Алтеа, Дения, Хавея, Теулада,Сальпе, Бенисса, Гата де Горгос, Бенидорм, Сан Фульхенсио, Рохалес,

Ла Нусия и Торевьеха, так же на юге Валенсии: Олива, Гандия, Альбайда, Бениганим, Хатива.

Пришлите нам вашу счет-фактуру по электронной почте и мы отправим вам расчет стоимости проекта.

Не сомневайтесь обращаться к нам.