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krisi
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re: Smart energy interoperability, it's now or never
krisi   8/16/2012 4:10:09 PM
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To @Gus campeon, I live in Vancouver, BC, Canada...small house, 2,000 sq ft...granted we get the lowest electricity rates in the world, $0.07/kWh...but even if the rate was double it would be $80 a month, still less then daily coffee...Kris

Gus campeon
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re: Smart energy interoperability, it's now or never
Gus campeon   8/16/2012 2:41:43 PM
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Hi Iniewski: Could you tell us where you live? Because 40 bucks per month seems to be a very low rate for electricity consumption? Regards, Gus

krisi
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re: Smart energy interoperability, it's now or never
krisi   8/13/2012 5:03:38 PM
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I know how much I pay ($40/month) and think this is too low...at that price I have absolutely no incentive to cut my energy use...however, I do have an incentive to cut down my coffee consumption which is $200/month...Kris

bearchow
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re: Smart energy interoperability, it's now or never
bearchow   8/13/2012 1:41:20 PM
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Matter of fact, I don't know, or really care how much I pay for electricity. Nor do I care for smart appliances, or smart meters (which in real life have led to more complaints from consumers that they are used by power companies to get more money out of them, not less). Not to mention the fact that modern jargon like "interoperability" and garbage like that set off alarm bells that I am about to either be bs'd or bored.

dougwithau
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re: Smart energy interoperability, it's now or never
dougwithau   8/12/2012 5:44:50 PM
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Rant continued to get past the 2000 character limit. Do you, as an EETimes reader, who does not represent the technical know how of an average consumer, know what you pay per kwh for electricity? Off the top of your head? Cisco, Microsoft and Google have all abandoned their plans in home energy management. Maybe they are all wrong. All I am saying is, don't throw pickles down a rat hole. Remember, sunk costs, don't put good money after bad.

dougwithau
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re: Smart energy interoperability, it's now or never
dougwithau   8/12/2012 5:44:13 PM
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This is my opinion, it does not reflect the opinion of my current or past employers. I worked at a "Smart Energy company" implementing Zigbee based devices that interfaced with smart meters. If you are reading this as an investor or person in the smart energy space, please take note. This is the unvarnished truth. Smart energy is a good idea with no real market. The home user does not want another way for marketers to monitor their behavior. No,I do not need an email from my furnace or fridge telling me it is time to buy a genuine replacement filter. Energy savings is nice, but when the savings does not pay back the initial investment for 5-7 years, it is not interesting for most home users. I will not replace my furnace or fridge because it is "smart". Commercial energy saving systems are a different story. There is some money in that market. The utility is the other side of the smart energy story. Utilities do not want to manage the complication of a home full of smart devices. Building, commissioning and managing the installation of a secure wireless network kills any possible profit. There is a basic misunderstanding of the utility business model. If it is capital equipment, the PUC votes to pay for it. If not, don't do it. Smart energy has so far failed in front of the PUC. Beyond some stimulus funds, there really is no market. Ask the basic marketing question. Who want this technology? What problem does it solve? The answer is no one, not the utility or the consumer. Electricity is sold at 10-30 cents per kilowatt. Consumers have no interest in saving, especially when the saving is up front expensive and seen as an inconvenience.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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