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I find the smart plug is a somewhat affordable option. It may be good on something really energy-hungry like an air conditioner.

However, there are much better things to upgrade first. All lights should be LEDs and all energy-intensive appliances should be efficient. Houses and hot water pipes should be properly insulated, etc. I'm sure you know all about this from your experience.

It seems like a great place you work at. I also work in the energy industry.

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