Yellow Fang
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There are some blackouts from the storms recently, but in general there are not as many as there used to be. Gas obviously still works in a blackout. I seem to remember that phones still used to work when there was a blackout, back in the days when most phones were on land lines. What kept the phones working? Water still works in a power cut too. There must be some energy used in pumping water up to someone's bathroom. It is not a lot of energy, but it must come from somewhere. I cannot remember ever seeing a water pump. What powers the water pumps?
If you have an array of solar PV panels, it is still no use to you in a power cut because they are grid connected. In fact, I believe these things complicate the engineers job in re-connecting the grid. Still, thinking about it, there is no reason you cannot keep charged up your own back up batteries if you wanted to. It would be expensive, you couldn't run any a.c. devices, not even your freezer, but you could do it.
If you have an array of solar PV panels, it is still no use to you in a power cut because they are grid connected. In fact, I believe these things complicate the engineers job in re-connecting the grid. Still, thinking about it, there is no reason you cannot keep charged up your own back up batteries if you wanted to. It would be expensive, you couldn't run any a.c. devices, not even your freezer, but you could do it.