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View blog posts for category: Solar electricity

Are sunnier days always the best for solar PV generation?

Posted by James Page on 28 April 2017 at 11:35 am

Are sunnier days always the best for solar PV generation?

People often remark that solar panels do not need a sunny day to generate. Turns out a cloudy day can sometimes generate more than a sunny one. Three years ago, JoJu Solar installed a 10kW flat roof system on Artsadmin in Central London. It was the first project with panels facing East and We…

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Sunny weekend breaks UK solar record

Posted by Chloe Lloyd on 5 April 2017 at 12:59 pm

Sunny weekend breaks UK solar record

With days becoming longer and sunnier afternoons on the rise, now is the perfect time to be generating electricity from your solar PV panels. Cast your minds back to the weekend of the 25th March 2017, temperatures were rising and you were dusting the cobwebs off the barbeque. However, that weeke…

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Is it a problem that my solar PV reads 280 volts?

Posted by Chris Rudge on 17 March 2017 at 4:50 pm

Is it a problem that my solar PV reads 280 volts?

Q. I have 12 solar panels, six facing east and six facing west. I have two inverters, one of which is a 'Sunnyboy', but I don't know which model. It was checked today and I was told its voltage is 281 when it should be around 240 volts. Is this a problem? Do I need something to reduce…

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What should you consider when going off the grid?

Posted by Alex Barrett on 13 March 2017 at 10:45 am

What should you consider when going off the grid?

Every wanted to cut your ties with the electricity grid and rely entirely on renewable power? In this article we’ll consider a few of the things to consider before setting up an off grid system. The first thing to consider is why you want to go off grid in the first place. Off grid syst…

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Solar PV-T systems - what are the pros and cons?

Posted by Alex Barrett on 10 March 2017 at 10:45 am

Solar PV-T systems - what are the pros and cons?

There are two main ways to collect energy from sunlight. Both have their advantages and both are increasingly being used by households and industry across the world. A hybrid or PV-T system combines the two approaches into the same panel. Solar PV Solar Photovoltaics (Solar PV) are possib…

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Can nanotechnology make solar PV 80% efficient?

Posted by Alex Barrett on 28 February 2017 at 10:05 am

Can nanotechnology make solar PV 80% efficient?

Solar Photovoltaic (PV) systems are a great way to produce renewable power by converting the energy in sunlight into electricity. However sunlight comes in a wide range of wavelengths, both visible and invisible. The current generation of solar panels are only able to harness a fraction of the po…

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Solar PV made my electricity meter run backwards

Posted by Gabby Mallett on 3 February 2017 at 1:50 pm

Solar PV made my electricity meter run backwards

They found me, I don’t know how, but they found me.  Yes, I know, it’s a quote from Back to the Future and of course I do know how they found me. My energy supplier finally worked out that my meter was running backwards because I have a PV system.  I had a 3.01kWp sy…

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Will tomorrow's solar panels generate electricity from rain?

Posted by Alex Barrett on 24 January 2017 at 10:15 am

Will tomorrow's solar panels generate electricity from rain?

There are potential sources of energy all around us. Any natural system contains energy and in theory we can tap into that energy to generate electricity or work. Something that we don’t currently harness is rain. Unfortunately rainfall doesn’t generate a sufficient volume of water to…

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Why is energy storage difficult?

Posted by Alex Barrett on 27 September 2016 at 12:25 pm

Why is energy storage difficult?

Our ability to generate renewable energy is increasing all of the time. It provides a great, green supplement to conventional power generation technologies. However if renewables are to one day stand on their own then there is an important issue that needs to be considered; Energy Storage. So…

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Can we manufacture renewables without fossil fuels?

Posted by Alex Barrett on 20 September 2016 at 10:05 am

Can we manufacture renewables without fossil fuels?

In order to capture energy from renewable sources we need the right technology. But solar panels and wind turbines are very energy intensive to manufacture. Unfortunately the energy that is used to make renewable systems usually comes from fossil fuels. So can we produce enough renewable electric…

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