Hi Eric, I assume you live in the valley? And you use a master cool evaporative cooler... Off topic question - Does your master cool, cool your house reasonably in the summer and more so during the monsoons? On 2021-07-21 15:50, Eric Oyen via PLUG-discuss wrote: > Back when I ran a home server on my Athlon X2 with 1500 W supply, the > machine never drew that much. Even with several disks spinning, 8 > VMWare instances going and a few other goodies, that machine never > drew more than 600w at maximum. I kept it live 24/7 for a few years > and it added less than $120 yearly to the electrical bill. These days, > that machine is out of service and is only good for parts. My Mac > mini, which draws at most 100 W under full load is on 24/7 and I don’t > even see it add that much to the electrical bill here. There are > really only 3 high draw appliances in this house now: > 1. The refrigerator > 2. The stove/oven > 3. The master cool evaporative cooler. Everything else either runs on > wall warts or only gets used occasionally. In fact, we spend less than > $150 a month here for electric. Now, if I put that Athlon X2 back into > service, we might see $10 a month in extra use. I am still > contemplating putting it back up and using it as my go to linux > development machine. > > -Eric > From the Central Offices of the Technomage Guild, Utilities Dept. > >> On Jul 21, 2021, at 7:33 AM, Keith Smith via PLUG-discuss >> wrote: >> >> >> >> Hi, >> >> I just read this quote about the electrical costs to run a web server >> from home: >> >> Cost: While it may sound cheaper to use that computer lying around >> doing nothing when creating your web server, when you factor in the >> cost of powering an old computer 24 hours a day, it can get very >> expensive. A 250W desktop computer running 24 hours per day at 12 >> cents per KW/h is a whopping $262.00 per year! >> >> --- >> I think their math is wrong. >> >> The average residential electricity rate in Chandler is 10.85¢/kWh. >> >> I'm thinking a low traffic PHP web server running on an old Dell with >> a 400 watt power supply is not using but maybe 100 watts on average. >> I've read that the computer should use no more than half the power >> supply capacity. Is this correct? >> >> If my home web server is using 100 watts an hour that mean 100 watts * >> 30 days * 24 hours or 72K watts. >> >> I'm thinking 72 * .1085 = $7.81 a month. >> >> Any thoughts are much appreciated. >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org To subscribe, unsubscribe, or to change your mail settings: https://lists.phxlinux.org/mailman/listinfo/plug-discuss