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Strategies & Market Trends : The Financial Collapse of 2001 Unwinding
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To: Cogito Ergo Sum who wrote (2263)4/2/2019 3:29:13 PM
From: Elroy Jetson  Read Replies (1) of 13784
 
A much high demand for electricity over a fifteen minute period means the power company needs to install larger transmission lines and much larger capacity transformers to supply that amount of power. So demand charges are based on real costs.

A large customer like a city uses so much electricity that suddenly charging ten cars doesn't increase their peak demand much. So a city can add 30 slower car charging stations without incurring much cost.

But if you're just a car charging business you're creating a problem for the electric company to figure out how to get than much electricity to your location needing new transmission lines.

Even worse if you're now quickly charging ultra-capacitor cars - transferring a huge amount of electricity quickly to each.

If you slowly charged your charging station's own batteries or capacitors, then quickly released this stored power into each car you avoid the demand charges on your bill . . . . . but you've avoided the demand charges by paying yourself to build a costly demand leveling storage infrastructure - you're paying the demand charges to yourself, so either way your customer's cost has risen far beyond the cost of electricity.
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