Save electricity by hoarding it

In the May 2006 issue of Fortune Small Business, there was this great article on how, inspired by TiVo, one company decided to create a device (GridPoint Protect) that cuts your electricity bill by 10-15%. How do they do it? Simple. Utility companies in the US charge you different rates (i.e. dynamic pricing), depending on the day and time that electricity is consumed. The cheapest rate is at 3AM. So this device accumulates electricity when it’s cheap and then releases it during peak hours, when the rates are much higher. Brilliant, isn’t it? Here is more from that article.

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