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   PID: Synchronet 3.18c-Linux master/55f2c9d6c Feb 23 2021 GCC 10.2.0   
   TID: SBBSecho 3.13-Linux master/55f2c9d6c Feb 23 2021 GCC 10.2.0   
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    > But when you don't get any money any more (or very little) for putting your   
    > generated electricity into the net, batteries will become interesting to   
    > store your own energy, and using it when there is no sun. And hopefully   
    > battery technology will become better and cheaper in the future.   
       
   I hear that the batteries need to be replaced every few years.  And they are   
   not cheap.   
      
   And venting them (even when they are sealed) is critical in a household.   
      
    > Most greenhouse owners already generate their own electricity for the   
    > lighting in the greenhouses. And they also use the heat..   
    > https://en.wikipedia.org/wiki/Cogeneration   
      
   Good forward thinking.   
      
   I was always impresed how much heat cattle manure generated in the barn.   
      
   So, a structure with cattle below and greenhouse above could be a nice   
   symbiotic relationship.   
   --- SBBSecho 3.13-Linux   
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