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The US electrical grid is in desperate need of upgrades, watchdog warns
(www.engadget.com)
This is a most excellent place for technology news and articles.
With (only) rooftop solar you're still dependent at night, and during the day when it's cloudy.
You are correct. I am on the grid instead of having a battery.
But any minute I might just buy a battery!
FYI, right now LiFePo server rack style batteries seem to be the best bang for your buck. If I had the money, I would buy the EG4 or similar.
Same boat, looking into this now...