Reply to post: Re: And all because

Elon Musk's Tesla set to unveil home storage battery

Black Betty

Re: And all because

You might be surprised. The Old paradigm of continually managing the energy supply to match the demand is fast flying out the window.

The new paradigm is matching demand to a continuously variable supply. Even a quite small battery (2-5kWh) in the home in conjunction with a rooftop photovoltaic system, would suffice to significantly limit the amount of time your home has to resort to the grid at all, even when firing up energy hogs like air-con, kettles and vacuum cleaners. Simply trickle charged at off-peak rates that battery combined with an increasingly affordable inverter will let you avoid the worst of premium rates.

If Elon Musk get battery prices down to a genuine $100-$200/kWh, a few thousand dollars worth of battery and inverter would allow most households to make ALL of their electricity purchases at the lowest available tariff. Even at $400/kWh (looking at < that price right now) such a setup would result in enough savings to more than cover the cost of a new battery every few years. Provide the overcapacity and in all likelihood, electricity providers will happily lease it off you for load balancing purposes. Do your number right, pop on a few solar panels and become a small scale electricity provider yourself with a zeroed power bill and showing a modest profit after amortised costs. Can't argue with that.

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