Category Archives: Renewables

One thing we have learnt this week – an act of nuclear folly

In an act of nuclear folly the UK government has indicated that they will take a stake in the Horizon reactor project on the Isle of Anglesey.  There have been rumours of this in the press for a while.  Its … Continue reading

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A tail of two energy storage systems

A tail of two energy storage systems at different scales.  This week a 22MWp battery system has been switched on at Wales’s largest onshore wind farm.  Second at the small scale Nissan is launching its home battery and PV system … Continue reading

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One thing we have learnt this week – wind overtakes nuclear

Wind overtakes nuclear, that’s the headline this week.  The UK has had one of the harshest winters for many years but our increasingly renewably based electricity system has coped very well.  Wind overtakes nuclear increasingly often but this is the … Continue reading

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Green gas

  Green gas has been in the news recently.  As this site has blogged on a number of times decarbonisation of electricity is relatively easy.  Decarbonisation of heat is not. Renewable heat by contrast is as we covered in our … Continue reading

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Is the weather getting worse?

Is the weather getting worse?!  This is the question I have pondering for somewhile.  What I mean by this is it getting duller.  I have had two PV systems on my roof for some years and the output is dropping … Continue reading

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One thing we have learnt this week – Renewable heat

Renewable heat is one of the biggest problems facing the environmentally sustainable economy.  That’s why governments worldwide have concentrated on switching to renewable electricity.  There are plenty of options which in this latter area that work well and as we … Continue reading

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Sustainable energy update – part 2

Last week I blogged on a sustainable energy update on  the book”Sustainable Energy — without the hot air” by the late Professor David JC MacKay.  The blog post became too long so I’ve split it in two.  Here continues another … Continue reading

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Sustainable energy update

A sustainable energy update.  I have been thinking about “Sustainable Energy — without the hot air” by the late Professor David JC MacKay.  I had another look at the PV data a few months ago on this site. I’ve ben … Continue reading

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One thing we have learnt this week – new types of solar cells

I read a very interesting article in the Guardian this week that got me thinking about  types of solar cells.  The main article was that silicon solar cost reductions were falling away and this opened the door for new types … Continue reading

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One thing we have learnt this week – solar power in Nepal

I heard a very interesting report on solar power in Nepal this week on the radio.  Solar power is not the first thing that you think of when you think of Nepal.  The first thing you think of is hydropower. … Continue reading

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