j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckM <div class="post"><div class="quoteheader"><a href="https://bitcointalk.org/index.php?topic=955.msg11808#msg11808">Quote from: Ground Loop on September 01, 2010, 01:11:37 AM</a></div><div class="quote">The article is all about the cost of the hardware, neglecting the more significant cost: electricity.<br/><br/>Once you're above baseline power of 11 kWh/day (as any geek is), Southern California utilities get about $0.13/kwh marginal, with taxes, distribution, etc.<br/></div><br/>This is a calculation that depends highly on who you are and where you live. I live in an area that recently had a 10%+ residental electric rate hike, to about 8 cents per KWH. This is only <b>slightly</b> more expensive per btu than using natural gas with a 90% efficient gas heater versus a 100% efficent electric heater. So the price difference for me to run any computer full tilt during the heating season, which is most certainly longer than Southern California, is about half a penny per kilowatt or less. I don't even know anyone who bothers to shut down their computers from September to May to save money. There's also someting to be said for the soothing white noise of a (good condition) cpu fan as the beast in the corner crunching numbers keeps your bedroom a couple degrees warmer so that you can turn the house thermostat down to 69 degrees at night. I can't prove it, but I would bet that I actually <b>save</b> energy doing this, because otherwise my wife would insist on turning up the heat.</div> text/html
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