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How Do Solar Panels Work on Cloudy Days?
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We get this question often. You’re sat at home browsing the Internet whilst it rains outside. That’s how the UK is a lot of the time, dreary, overcast and inconsistent. Sure, 2018 has seen a glorious summer of hot weather and clear skies for a few weeks, but the majority of the time this isn’t the case. You want to push forward with a lifestyle change at home, ditching traditional energy sources and becoming environmentally responsible by using a renewable energy source.
Solar panels have become more popular in the last few years, and less expensive to boot, but do solar panels work on rainy days? This guide has been developed to help you answer questions such as this, including ‘how do solar panels work on cloudy days?’ as we know that quite often that is a mental stumbling block for UK homeowners wanting to make the change to solar energy but unsure as to whether it will be worth it due to the bad weather we often experience in this country.
At Moixa we have worked with over 1,000 customers in recent years. What we have heard back as feedback is that solar panels have helped changed homes for the better. Not only do they give back a sense of control over the energy consumption and creation of a household, they help to significantly reduce energy bills, help homeowners to reduce their environmental impact and can even add value to properties when it comes to potential sale and refinance options. The proof is in the pudding, but we know you are here for answers as to how do solar panels work on cloudy days? So here goes.
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We are used to cloudy weather in the UK, and as a homeowner looking to install solar panels we can understand why you might initially be worried, but there is no need to be. Although a cloudy or overcast day is not the optimum condition for solar panels to create electricity, they still can even in limited daylight. What you’ll notice is that around a third of the electricity is produced when compared with the amount that is created on a completely clear day. This should still be enough to power a number of appliances throughout the day.
The exact amount of electricity produced will depend on the density of the clouds and the type and size of solar panel system you have installed, but you have to consider the year as a whole before making a definitive decision on whether to install solar panels at your home. Over the course of a year, even with the cloudy weather in the UK, our customers are experiencing average annual cost savings of between £425 and £680, and that’s factoring in the money to be made through the Feed-in Tariff for generating clean energy and exporting to the grid.
You might not think so, but a cooler, cloudier location is actually a better fit for solar power than places with extreme heat. This is due to the fact that during high temperatures solar panel systems can begin to become too hot to function correctly, causing long-term maintenance problems that are hard to correct in some cases. There is also a phenomenon known as the ‘edge of cloud’ effect, where on a partly overcast day the sunlight can be magnified around the edges of a cloud, allowing solar panels to produce more electricity than on some completely clear and sunny days. So, even if you have one cloudy day, you’ll still produce 10-25% of the normal solar energy from a clear day, but over the course of a year you’ll see significant production and subsequent energy bill savings.
The limited production of electricity during cloudy days was one of the reasons why we put our Solar Battery as part of the standard package alongside solar panel installation. It ensures that you make the most of a clear day when you can soak up as much sunlight as possible. Your solar panel system will be powering the home, but at the same time charging the Solar Battery for later use. It gives you greater flexibility to continue using solar power at night, when the sun has gone down, or on cloudier days when your solar panel systems are not producing as much energy as during a clear day. You can choose between the 2kWh, 3kWh and 4.8kWh Smart Battery units. They are small and we can install them wherever you wish within your home.
Now you know the answer to the question of ‘do solar panels work on rainy days?’ we can help you figure out the right cost for your specific needs. Our friendly team of experts will talk through your energy requirements to help you choose the right system for your needs and budget. Our Receive a Quote page will help you find a more precise price, but below we’ve put together some average prices from previous customers:
- For a 2kWh solar panel system and 2kWh Moixa Smart Battery (including full installation and VAT) = £4995
For a Smart Battery only (including installation and VAT):
- 2kWh = £2950
- 3kWh = £3450
- 4.8kWh = £3950
The average order is for a solar panel system that includes 14 solar panels in total with a 3kWh smart solar battery. This costs just under £9,000, which includes VAT and free installation. We also offer flexible payment plans for certain customers. If you are worried about the initial outlay, please be honest with your customer service contact at Moixa and we’ll do our best to help.
Visit our Contact page to speak to a member of our team. From there we can offer more answers to your question of ‘how do solar panels work on cloudy days?’ and put in motion the process of installing solar panel systems and the Moixa Smart Battery at your home.
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*based on an average 3.5kw system in Brighton, south facing, 40-degree pitched roof, with no shade and using national grid PLC statistics on energy power plant carbon intensity. A combination of solar savings, feed in tariff, GridShare cashback payments.
** Gridshare is Moixa’s unique membership scheme that pays you £50 per year for the first three years of joining, if you make spare energy available for trading at peak times in the future.
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I know we’re going to be saving money on our electricity, but it’s also the peace of mind knowing that our family is taking small steps to improve our environmental footprint. You can’t put a price on that!
I did a bit of research and Moixa came out the best because of how engaging they were from the offset in answering my many questions.
Installation process was very straightforward. Installers were really efficient, professional and clearly knew what they were doing.
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