The government seem to have given a boost to small scale battery storage, as they've announced that not only are they scrapping the FIT subsidy next year, but they are also not going to allow microgenerators to be paid anything for any electricity they export to the grid.   So, if looking to fit PV, then several things become paramount.  The first is to maximise self use, which may lead to the adoption of East/West arrays, or even flat arrays, more useful than South facing arrays.  Sec