> Elon's "guaranteed" 7¢/kwh

Can somebody say more about this? I'm struggling with finding more info on it.

Further up, folk were talking about this being useful near LA in and in CA ... but the price of electricity is well above that here.

It’s on one of the slides in his presentation. In fact, I think it’s been in multiple presentations. May not be the easiest thing to find because I remember it being skipped over and in small print somewhere but he does speak to it.

It's likely being guaranteed because he knows the cost of installing solar and battery banks and he (and his customers) doesn't have to buy directly from local power companies.

You may be thinking of residential rates which are many times higher

I just checked in the commercial rates are slightly over 7 cents today

Electricity cost is much higher in the US and almost 10 times more expensive in Europe.

Also, a diesel engine can easily run millions of miles, I don't believe a battery's efficiency would hold even few hundred thousands. Teslas don't at least and degrade around 10% every 100k miles, with most dying before hitting 400k.

Like everything those calculations seem always based on best case scenarios and ignore that batteries are super expensive and degrade at each cycle.

Diesel Engines are rarely getting more than 6 or 700k without a 30k+ rebuild. You make it like they are all going millions of miles, that's not accurate.

Hence the big "IF".

Still, some companies will be able to realize the gains. They can invest in solar on site. The people purchasing these often have warehouses with 1,000,000 sq ft of roof space.

My residential retail electricity is 0.098 per kw-h. Midwest prices are generally decent, but the town is buying from ~1 large utility to get that rate, with a few solar panels perhaps lowering costs some of the time. Seems like there is room to do better just going to market, and there is certainly room to do better by buying directly from new solar installed in the next few years.