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What's the difference between polycrystalline and monocrystalline solar panels?

Posted by Stuart Elmes on 25 February 2015 at 9:55 am

What's the difference between polycrystalline and monocrystalline solar panels?

When I agreed to write an article on the difference between the two main types of photovoltaic solar panel, those based on monocrystalline and polycrystalline silicon, I thought what could be easier?  You can find numerous articles on websites, all saying the same thing.  It usually goe…

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How to benefit from solar hot water with a combi boiler

Posted by Stuart Elmes on 28 January 2015 at 9:34 am

How to benefit from solar hot water with a combi boiler

A combi boiler provides central heating and hot water. Hot water is heated on demand as cold water flows through a heat exchanger in the boiler on its way to the taps.  This type of boiler accounted for 77% of all new boilers sold in the UK in the last 12 months and around 50% of all homes n…

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Why RHI rules should be changed to incentivise solar thermal stores too

Posted by Stuart Elmes on 25 June 2014 at 10:45 am

Why RHI  rules should be changed to incentivise solar thermal stores too

The domestic Renewable Heat Incentive (RHI) was structured with the deliberate intention that the combination of solar thermal with other renewable heating technologies would be actively encouraged.  The thinking behind this is that solar thermal increases the average operating efficiency of…

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What is the real inflation rate for energy?

Posted by Stuart Elmes on 25 February 2014 at 12:01 pm

What is the real inflation rate for energy?

There’s been a lot of coverage of increasing energy bills in the media in recent months.  Also I’ve been doing a bit of thinking about the return on investment for solar thermal under the imminent domestic renewable heat incentive. (I like writing ‘imminent’ inst…

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New solar thermal calculation for domestic RHI increases returns

Posted by Stuart Elmes on 28 October 2013 at 9:26 am

New solar thermal calculation for domestic RHI increases returns

MCS recently published a new calculation method for predicting the energy benefits from solar water heating. The announcement has been eagerly awaited by the solar industry because it will be the way payments are calculated under the domestic Renewable Heat Incentive. As we’ll see, the …

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