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dna

Thinking Required; Uh Oh – Effective v Triggering DNA

By Energy Rant No Comments
A year ago, I ranted about the Powerwall, part of Elon Musk’s grand vision of flashy widgets. From that post, I will modify a portion to fit this post: Uber is disruptive. Powerwall isn’t. Powerwall is mostly disruptive to the owner’s bank account. It solves no problem, but it does create new ones. In last year’s post, I assessed the cost of electricity storage via the 7 kWh Powerwall. Over the lifetime of the unit, the cost per kWh would be 11.7¢ per kWh, kWh and installation not included. In other words, the storage alone costs 11.7¢. Imagine if your…
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