The Advantages And Disadvantages Of Renewable Energy – Solar cells capture light energy and transform it into electrical energy. Solar power plants can generate electricity for large areas. Two types of solar energy: Active Solar Energy – uses technology (solar panels) that collects and stores energy to heat water and homes. Passive Solar Energy – uses design elements that capture energy in sunlight. (windows)

Wind energy has been used since ancient times to sail boats and turn windmills. Wind turbines – are used to produce electricity for large areas. Wind farm – a group of wind turbines that produce electricity.

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4 Water energy Hydroelectric power – electricity made by flowing water. To make hydroelectric power, people must build dams across rivers.

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5 Geothermal Energy Geothermal Energy – thermal energy from the interior of the Earth. It can be used to heat homes, and generate electricity in power plants. The thermal energy heats water which is then turned into steam. The steam turns the turbines which are connected to generators that make electricity.

6 Biomass energy Biomass energy – energy produced by burning organic material such as wood, food waste and alcohol. Wood is the most used biomass. Biomass can be converted into fuel for cars. Ethanol (type of alcohol) is made from sugars in plants, such as corn. Ethanol is added to gasoline because it reduces pollution. Biodiesel – fuel made from vegetable oil and fat. It also reduces pollution.

To make this website work, we record user data and share it with processors. To use this website, you must agree to our Privacy Policy, including Cookie Policy. Solar energy comes straight from the greatest source of power in the entire solar system – the sun.

The light produced by our local star moves on molecules called protons. When these protons hit a solar panel, they move material inside that panel to create either electricity or heat.

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You might think that’s a very simple explanation, but that’s pretty much what’s happening – the problem was harnessing that power and now we can do that, we just need to improve the amount we can extract.

Current, affordable solar technology available in the UK will not completely free you from the grid. It can provide most of your electricity during the sunnier months, but wintertime means fewer hours of sunshine and weaker sunshine at that.

However, as energy companies continue to increase their profits by charging you as much as possible, and the government is only able to legislate for unit price caps, we can only see things getting worse.

There are fewer fossil fuels in the ground, which means the price will continue to rise until we make the transition to renewable energy for our grid.

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And even then the energy companies have to make a profit so they will overpay for any electricity you buy from them.

A 4kW solar panel system installed by an MCS certified supplier will save you up to 80% per year… which is not to be trifled with as it means your system will pay for itself in just over 12 years on average pay.

Most companies will guarantee their solar panels for 25 years. You can bet your bottom dollar if a company will give you a 25 year warranty, the product is going to last a lot longer than that.

Lucky for us, the sun is down to keep shining for, give or take a millennium, another 5 billion years. And it doesn’t matter how much solar energy we use, we’re never going to outshine the sun.

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Even with today’s technology, you could power the entire world by setting up solar farms on just 1.2% of the Sahara desert – but while we wait for that to happen, we could just as easily build our own personal solar power stations on top of on our homes.

So, when the energy prices are increased by gas companies, your home will already take care of a large part of your energy needs.

Solar panels are perfect for generating electricity for your home, but they are not the only way to harness the power of the sun.

Electricity is generated by photovoltaic panels, but heat can be generated by solar panels, which is a slightly different kind of science.

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Solar thermal panels are used to transfer the heat from the sun to water tanks and other containers to give you free, sustainable hot water.

Smaller PV arrays can also be used to create power for outdoor lighting, water features or even a garden office/man cave.

The unpredictable British climate is always cited as a major disadvantage for solar energy, but it really isn’t.

When the sun goes down during those precious few summer days, your panels will be working at their very best efficiency. But, when the sun disappears behind the clouds, your panels will still work almost as well.

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Solar panels work on strong light and we have plenty of them in the UK regardless of the weather. Cloudy day solar panels will only lose 10% – 20% of their efficiency on average.

Solar panels also operate at their best efficiency between temperatures of 15°C and 35°C – so the UK’s temperate climate is just about perfect for optimal performance.

This is not something we would encourage people to do themselves unless they are a professional who is used to working at heights. But any reputable, MCS-certified installer should have a standard system up and running within a few days of arriving at your home.

Any home improvement that improves energy use or benefits a new buyer in some way will increase either the value or the marketability of your home.

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Many studies have been done to show that solar power systems increase the value of your home – and it saves you money while you live there.

Polycrystalline panels used to be the best panels you could buy. They were replaced with 60 – 72 cell monocrystalline panels which were more expensive but much more efficient.

Now companies are now recommending 104 Half Cell monocrystalline panels that are even more efficient than the full cell versions.

Current solar panels capture an average of 15% to 20% of the sun’s energy, but the smart bodies working in the industry have discovered that using the material perovskite, instead of silicon, in solar cells can increase the efficiency of the panel by 28% increase.

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This is the biggest hurdle people think they have to clear when looking at installing solar panels, but it doesn’t have to be.

An average installation, at 4kWh, would cost someone in the UK an average of £12,000, which is a pretty hefty sum to pay out in one go, but you can spread the cost with finance if you don’t have the savings .

Your system could save around £850 a year at current prices, the system will usually pay for itself in just over a decade.

Solar panels are quite large and you need quite a few of them to generate the energy for your home – so you need to make sure you have the space for them.

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Since panels generally go on the roof, we feel they don’t really affect your living space. You can have them in the garden or somewhere else closer to the ground, but they are more likely to get dirty, damaged or shaded.

As technology improves over the next decade, panels will become more efficient and therefore produce more energy per square meter – and panels are already only 1.7 meters by 1.5 meters so most people’s roofs will have no problem fitting them not.

Most of the problems associated with solar energy have to do with the manufacture, and disposal, of the panels.

First quartz must be mined to create the silicon cells, the quartz must then be treated with chemicals and heated to a very high temperature to extract the silicon, further mining is required for the metal frame and copper wire.

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Unfortunately, as the solar sector is still in its infancy despite the first domestic systems being installed in the US in the early 80s, panel recycling plants are few and far between.

Again, the future is our friend here – the more of us that get solar, the more companies will spring up to recycle our dead panels.

All that said, the panels we are installing now will last for almost 3 decades and they become carbon neutral after only 3 years of use – which is far better than any system that uses oil, gas or coal.

As you can see, the pros far outweigh the cons when it comes to installing a solar power system in your home. But to get the most out of that system, it’s a good idea to monitor the effectiveness of the system as the years go by.

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Keeping your panels clean is the easiest way to ensure they will always function at their best efficiency.

Additionally, an annual check or service for the inverter and battery storage will usually pick up any problems before they affect your system too much.

A daily check of the inverter, just to make sure the lights and readings are doing everything they should

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