Category Archives: Renewables

Coffee power

Soon coffee producers in Columbia could be producing coffee power thanks to funding from the UK government.  The idea is to produce electricity from coffee waste using bacteria in microbial fuel cells.  This is the area I did my doctorate … Continue reading

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One thing we have learnt this week – does “no wind” matter?

Does “no wind” matter at least in summer?  Are our summers getting calmer?  The UK’s renewable data has been released this week.  It shows surprise surprise we had a calm summer with little wind.  We had lots of hot still … Continue reading

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Renewable energy investment

Somewhere recently I read that renewable energy investment had stalled and according to the latest report from the International Energy Agency (IEA) this is true.  Overall energy investment declined (which is in itself surprising).  By 2% in real terms.  But … Continue reading

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One thing we have learnt this week – indirect gadget energy use

I’ve been reminded about indirect gadget energy use this week.  I’ve blogged on this before but the article I read was a real eye opener.   Here are some of the claims. Soon data centres will have a bigger carbon footprint … Continue reading

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Ocean energy versus the other

The head of Scottish Power has said today that the government should drop all support foe wave and tidal energy since wind and solar are getting so cheap.  Is this a case of ocean energy versus the other?  This in … Continue reading

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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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