I don't know about his interior lights, but my neighbor has several lights in his carport that are on 24 hours per day.
On Jul 27, 2018 10:58 AM, "Robert Bruninga via EV" <ev@lists.evdl.org> wrote: > To make the math work, I should have said, "the average house with > teenagers leaving all the lights on for 5 hours a day". [50 lights times > 60W saved times 5 hours a day = 40 miles daily EV charging] > > I stand by my numbers when corrected to a house that leaves most of their > lights on all evening and assuming averqaeg 75 Watt incandescent bulbs > originally.. > > The average house with compulsive behaviors who turn off every unused > light will be 10% of this as Matt noted... But he equally exaggerated > errors. > . > On Jul 25, 2018, at 1:08 PM, Matt Awesome via EV <ev@lists.evdl.org> > wrote: > > >> Remember this factoid. > >> Swapping out the average American home from Incandescent bulbs to > >> LEDs saves the same amount of power needed to charge an EV the > >> American 40 mile average per day forever. > > > > Plainly, no, it won't. > > > >> 50 bulbs saving an average 60 watts each for 5 hours a day is 15 kWh. > > Who the hell leaves 50 lightbulbs on in their house for 5 hours a day? > > I don't even think I have 50 lightbulbs in my house, let alone leave > > them all on 5 hours a day. > > > > LEDs aren't free, so, there's not 60watts savings from a 60w bulb. > > I assumed an average 75W equivalent bulb (saving 60W) when going to a 9W > LED. > And around here, 60W equivalents are about $1 each (probably subsidized by > the utility). > > > How many Kwh does an average US household consume in a day?: ... > > That's 27kwh/day. > > > > What percentage of an electrical bill is comprised of lighting?: ... > > Source 3: - 9%. > > Source 4: - 6%. > > > > The split [might depend] on whether heat is made through gas or > electricity. > > So, we could say 27kwh/day of which lighting is 6% or 15kwh/day of > > which lighting is 9% to at least be in the right ballpark (to arrive at > this:) > > - 27kwh*6% = 1.62kwh/day. > > - 15kwh*9% = 1.35kwh/day. > > > > You're claiming 10x that amount in *savings* from switching to LED, ... > > Yes, I should have said in some homes who leave every light on all > evening... > > >> Charging an EV at 1.5kw for 10 hours a day is 15 kWh. > > > > Since it's not the 1970s, the average household has at least 2 > > vehicles, more when there's teenagers/college kids. > > I said for one EV. I didn't say for every car a household could own. > > > Add in that LEDs aren't free, you're off by a factor of 25x. > > I included their 9W when subtracted from an incandescent 75W to arrive at > 60W savings per bulb. > And around here they only cost $1 each for a 60W LED. > > > It would be more accurate to say that by switching from incandescents > > to LEDs, you could expect to save enough energy to cover 4% of your > > electric vehicle use. A pretty banal, unsensational, non-headlight > > grabbing rhetoric for sure, but at least an accurate one. > > I stand by my numbers when corrected to a house that leaves most of their > lights on all evening. > > Bob, WB4APR > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/ > group/NEDRA) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20180727/186f9f46/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
