Everything You Need To Know About Solar Energy – Is it worth investing in solar panels for your home? Here we look at the cost, how it works in other countries, and whether you need to live in sunlight for them to work.

This year saw the highest energy price rise for years and households across the UK and EU are now paying a staggering 54 per cent more in 2020.

Everything You Need To Know About Solar Energy

While the governments of many EU countries are offering their citizens billion-euro aid packages to cushion the blow, Brits do not feel reassured that similar aid is on the way.

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Solar panels generate energy from the sun, which can be used to generate electricity and heat. The technology directly converts sunlight into electricity by exploiting the photovoltaic effect. This creates an electric charge or electric current when exposed to light.

A three-bedroom, split between four people typically needs about 10 solar panels. Buying too many can be an unnecessary waste while too few can make your purchases unprofitable.

Such a house would have an annual electricity consumption of 2,900 kilowatt hours (kWh) per year. 1kWh can supply electricity to a device for up to one hour.

Solar panels are inexpensive. In March 2022, the Energy Trust reported that the installation costs around £6,500 (€7,827) for a three-bedroom, semi-detached flat for four people.

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According to the Savings Expert, if you are home during the day, it will take you less time to get your money back. You will find installation costs around 13 years on average, if you live in the middle of the country.

In comparison, if you are home only in the evening, it could take you 24 years. Many people would like to install solar panels, but the cost of doing so is high.

Financial aid from the UK Government is not available. Until April 1, 2019, a Feed-in-Tariff (FIT) program was offered in an effort to encourage people to use renewable energy to power their homes.

But now the Government does not believe that people should be supported much, because the cost of solar panel systems has decreased.

Industrial Solar Power

Since the abolition of Feed-In Fee, a new Smart Export Guarantee (SEG) has been introduced as an alternative by the Government. The new system allows households to be paid for any excess renewable energy they produce.

That means if you generate energy at home from natural sources, such as wind or solar, you can sell anything you don’t use.

Solar energy already plays an important role in Europe’s energy mix. In 2017, the EU produced 3.6 percent of its energy in photovoltaics and by 2040, solar energy has the potential to meet 20 percent of the bloc’s electricity needs.

But for solar power to become a valued and developed source of clean energy in the EU, and the UK, costs must be lowered and their performance improved. Despite this, Sweden, Finland, Latvia, Austria and Denmark now generate more than 30 percent of their total electricity from renewable sources.

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In France, a government grant is available if you plan to use part of the electricity you produce yourself, and sell part of it back to the national grid – known as vente en surplus.

While in Spain, local grants are offered from time to time, but limited to the available funds. These grants are not means tested, but require proof of Spanish residency and a NIE number.

Despite its reputation for gray and cloudy weather, the UK receives the same amount of sunshine as parts of France and Spain.

And as countries with high solar energy use, such as Sweden, Finland and Latvia show, the lack of heat is not a problem because the cells are powered by sunlight.

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Like most electrical devices, solar photovoltaic cells work best in mild conditions, so solar power works almost anywhere on earth.

Solar panels are a significant investment, but after the initial cost, they can potentially save you money. If you are eligible for the Smart Export Guarantee (SEG), there is also an opportunity to make money again.

With the rising cost of living, the electricity generated by your panels can reduce the cost of your energy bills – and you’ll be reducing your carbon footprint at the same time. Renewable energy is slowly replacing fossil fuels as our main source of energy. Just look at the growth of solar energy production: in 2009, we could produce 21 terawatts of solar energy. In 2020 though? Almost 850 terawatts of solar energy! And since the cost of installing solar panels has come down significantly as well, that makes going solar an excellent way to help businesses reduce their energy bills.

How does solar energy work, however, and what are the biggest reasons you should use solar energy to run your business? Read on for our basic solar power guide that should answer all your questions.

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Nowadays, solar energy can power everything that needs energy and fossil fuels – but without greenhouse gas emissions, water pollution, or any other negative effects on the environment. And since solar panels can be installed basically anywhere (even in cold regions) and keep generating energy as long as there is enough sunlight, solar energy is now the most affordable energy source. How do solar panels turn light into electricity?

If you’ve ever seen a solar panel, you’ve probably noticed that it’s made up of many small squares. Those cells are called solar cells, photovoltaic cells, or PV cells. When solar cells (made of semiconductors like silicon) are exposed to light, part of the light is absorbed inside the semiconductor material. The energy then knocks the electrons inside the cells free, allowing them to move freely – creating an electric current. The energy from the solar cells must be converted into electricity in order to power our devices though.

Solar panels produce what is called Direct Current (or DC) electricity – meaning it flows in one direction. The thing is, most of the devices we use operate on alternating current or AC (meaning that electrons can change their direction).

So to use solar energy, we need to convert it into AC with an inverter. Once solar energy is converted, it will work exactly the same as grid-generated electricity, so you don’t need to worry about any equipment or machinery in your company malfunctioning.

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What usually worries businesses when it comes to solar panels is whether they work during cloudy or rainy weather, for example, in winter, or whether they only work on warm days. The good news is that solar panels will work regardless of the weather outside.

While they work best when there’s plenty of sunlight around, they can still generate power even on cloudy mornings and short winter days. The amount of energy produced will naturally be lower than during the spring or summer months, but the panels will nevertheless continue to produce. Rain can make solar panels work better by washing away any dust or dirt that might block the light.

What’s more interesting is that solar panels work better in colder temperatures. Solar panels operate at peak efficiency between 15°C (59°F) and 35°C (95°F). Moreover, their performance can decrease by about 10%-25%, according to CED Greentech.

While we are still far from replacing fossil fuels with clean energy alone, renewable energy is slowly reducing the need for them. By 2021, wind and solar will generate 10% of global electricity – so we’re well on our way to reducing our dependence on fossil fuels. What’s more, solar energy can bring many benefits to businesses – we’ve summarized the main ones below.

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Let’s start with the most obvious benefit – we don’t have to worry about the sun stopping shining anytime soon. Scientists predict that the sun will have enough energy to keep light for at least 5 billion years – so we shouldn’t worry about “running out” of solar energy anytime soon.

Also important is that solar panel efficiency has improved significantly over time, meaning they can capture and convert more solar energy than in previous years. In 2012, for example, the efficiency of solar cells was less than 18% (meaning that 18% of the sunlight hitting the cells can be converted into usable energy). In 2020 meanwhile, developers at the National Renewable Energy Laboratory (NREL) in Golden, Colorado, revealed that they have created a solar device with a record efficiency of 47.1%.

Well, it will take some time before high efficiency solar panels become widespread – currently, the average solar panel is 15-20%. But as long as your area gets at least a few hours of sunlight a day, solar panels will keep you powered up every day.

Businesses are looking at solar panels with such interest these days because they can help them cope with rising electricity prices. Especially since saving the budget can be real

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