Monday, November 25, 2013

November 2013 Reports

24 Nov 2013: Well, the winter is well set in, and the ground temp is 10.8º - in keeping with previous winter seasons. We are getting to the first anniversary of the installation of ETFE panels on the main Surya3 sunbox (coincided with getting the small roof mounted sunbox4 fitted), so I expect the rise in sunbox capture to level off. These were donated by Holscot, and what a piece of luck it was meeting Holscot at a small symposium on Vertical Farming!
  Elsewhere, there were talks in Geneva agreeing a deal with Iran over processing nuclear materials, but very few news sources mentioned the international talks at the same time in Poland over Climate Change..... ended with little, it seems, because of disputes over wording, and the usual claims by rich countries that it will hurt their economies. The can is kicked along the road to 2015.  Sebastian Vettel, already Formula One world champion for fourth year running broke all previous records by winning the ninth Grand Prix in a row in Brazil. This week saw the 50th anniversary of JFK's assassination and of the first edition of Dr Who, and the deaths of Aldous Huxley and CS Lewis.

17 November 2013: It's been a sunny week, with a weekend of cold, and more cold to come. Be grateful, we do not live in the Philippines or in Illinois! How is the house doing?
  • House annual 5,302, biennial 5,322 kWh. Very steady.
  • GSHP annual 3,219, biennial 3,283 kWh, triennial 3,242 kWh. 
  • PV annual 3,097, biennial 3,072 kWh, triennial 3,169 kWh. Tiny improvement....
  • Sunbox annual 3,442, biennial 2,936 kWh. Still going up, this is a maximum ever!
  • Ground Temperature 11.9ºC. Satisfyingly high for this stage of Winter, but the weekend was very sunny!
10 Nov 2013: It's been a week of mostly sunny but cold days. Metering figures for the year are pretty constant, except for the Sunbox 3 and 4 combo which is yet to reach an annual peak. It has just passed the 3,400kWh mark. The ground temperature is moving to where it ought to be for this time of year.
   Elsewhere, the Philippines have had a hurricane with the fastest wind speeds every recorded on land, 195mph. That is so strong, it is unimaginable to survive - buildings just get torn away.

3 Nov 2013: The Winter really has arrived with consistently below 10ºC temperatures, although my courgette plant in the Veg patch hasn't collapsed yet - waiting for the first severe night frost. We are having more sunshine than the same time last year, so the sunshine has been keeping the ground warm for longer than in previous years. Here is a chart of ground temperatures since 2009.
  • House annual 5,299, biennial 5,302 kWh. One down a bit, the other up....
  • GSHP annual 3,210, biennial 3,247 kWh, triennial 3,217 kWh. 
  • PV annual 3,085, biennial 3,057 kWh, triennial 3,167 kWh. No change.... 
  • Sunbox annual 3,390, biennial 2,907 kWh. Still going up, this is a maximum ever!
  • Ground Temperature 12.1ºC. True indication of winter - the heating is on!

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