XPost: alt.home.repair, uk.d-i-y, alt.sci.physics   
   From: rod.speed.aaa@gmail.com   
      
   "Commander Kinsey"  wrote in message   
   news:op.z2zib9yqwdg98l@desktop-ga2mpl8.lan...   
   > On Thu, 06 Jun 2019 23:11:50 +0100, Rod Speed    
   > wrote:   
   >   
   >>   
   >>   
   >> "trader_4"  wrote in message   
   >> news:943fe1dc-72cb-4890-b684-b3aab20b0f99@googlegroups.com...   
   >>> On Thursday, June 6, 2019 at 5:45:33 PM UTC-4, Commander Kinsey wrote:   
   >>>> On Thu, 06 Jun 2019 22:25:56 +0100, Andy Burns    
   >>>> wrote:   
   >>>>   
   >>>> > Commander Kinsey wrote:   
   >>>> >   
   >>>> >> I noticed some new houses being built, all with environmental shit,   
   >>>> >> like   
   >>>> >> solar panels, water reclamation from gutters etc.  But why do they   
   >>>> >> have   
   >>>> >> only 3 or 4 panels when the roof could hold about 12?   
   >>>> >   
   >>>> > Very little incentive to have any at all now that the feed-in/bribery   
   >>>> > tariff has ended.   
   >>>>   
   >>>> That's what I would have thought, but these houses are only a couple of   
   >>>> years old.  None I could understand, loads I could understand, but not   
   >>>> a   
   >>>> few on each roof.   
   >>>   
   >>> One factor could be that the output per panel has gone up over   
   >>> time.  They were ~200W a decade ago, new ones are ~300W.  But still   
   >>> 3 or 4 would be only 1200W, not even enough to equal what a typical   
   >>> house   
   >>> uses.   And you'd think that some of the cost is fixed, ie putting in   
   >>> 12 isn't going to cost 3 times what it costs to put in 4, so if it's   
   >>> undersized, the economics is worse.   
   >>   
   >> And he's in scotland which isnt great for solar insulation in winter   
   >> or even in summer.   
   >   
   > WTF is solar insulation?   
      
   The amount of sun falling on the panels.   
      
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