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Networked Fridges 'Negotiate' Electricity Use

An anonymous reader writes "Researchers have developed a way to network household and commercial fridges together in a distributed peer-to-peer fashion that lets them 'negotiate' with each other on the best time to consume electricity. A retrofittable controller is attached to each fridge and then a temperature profile is built around the unit. The controller enables communication between other fridges on the network and also the power source. It enables fridges to work together to decide when to cool down, and thus consume power, based on how much surplus power will be available, and to anticipate power shortages and change their running schedules accordingly to use as little power as possible during these times."

6 of 217 comments (clear)

  1. Cold beer by pondermaster · · Score: 5, Funny

    My fridge better not negotiate its way out of cold beer at 7pm.

  2. Re:Won't be useful to many people by sapphire+wyvern · · Score: 5, Insightful

    This probably isn't pitched at householders. I think it would be great for supermarkets, cold warehouses, booze shops, chemical plants etc... people who need commercial/industrial levels of refrigeration.

  3. Re:How does this actually solve a problem? by Anonymous Coward · · Score: 5, Informative

    That's because you didn't RTFA.

    It's about renewable energy and making the most of solar/wind. I.e. ensure that excess solar energy is used up during the day by cooling the fridges an extra couple of degrees so they don't have to use base load power over night.

    RTFA, you might learn something.

  4. Re:Won't be useful to many people by Joce640k · · Score: 5, Insightful

    If you extend it this could actually be useful...

    Imagine you have a wind generator on your roof and several appliances connected. If the generator can't power all the devices simultaneously then they could negotiate with each other to smooth out the demand.

    eg. If I put the kettle on to make a cup of tea the fridge could switch itself off for a couple of minutes. If I step in the shower all power can be diverted to the water heater, etc.

    On a larger scale, smoothing out the demand could avoid building power entire power stations. This probably won't happen for the next 100 years, but one day it will.

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  5. Re:Won't be useful to many people by troc · · Score: 5, Funny

    If I step in the shower all power can be diverted to the water heater, etc.

    But what about the forward deflector shields?

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    Troc's dubious podcast and blog: http://www.trocnet.net
  6. Re:10,000 is a lot of fridges... by totally+bogus+dude · · Score: 5, Informative

    Well, there's a big difference between lab simulations and real-world trials. The previous paragraph suggests the largest trial they've done with real equipment consisted of seven small fridges and three larger industrial-sized coolrooms.

    Also, it's not intended for single locations but rather for "every house in the city". There's little to be gained by smoothing out the energy usage of individual locations, even rather large locations.