We converted our HiBay MH lights to T6's with occupancy sensors a few years ago. The power company paid for 60% of it and it reduced our consumption by about 40%. It's paid for itself now.
Regards, Chuck On Fri, Jun 2, 2017 at 8:17 PM, Chuck McCown <[email protected]> wrote: > I’ll be over 100 years old and will probably be needing some weed at that > point. > > *From:* Eric Kuhnke > *Sent:* Friday, June 02, 2017 5:59 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] LED project > > ha, ha, maybe in the year 2065. > > > > On Fri, Jun 2, 2017 at 4:50 PM, Chuck McCown <[email protected]> wrote: > >> I am waiting for Utah to legalize recreational weed.... >> >> *From:* Eric Kuhnke >> *Sent:* Friday, June 02, 2017 5:27 PM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] LED project >> >> If you can get the light spectrum as broad as possible, sell them to WA, >> CO, OR, AK, MA and other state legal weed growers. The amount of 1000W >> metal halide and high pressure sodium light systems in use is nuts. >> >> >> >> On Fri, Jun 2, 2017 at 3:54 PM, <[email protected]> wrote: >> >>> Made some significant progress on a high bay metal halide LED >>> replacement project today. >>> Can you tell which light is mine in the photo? If you look on the floor >>> you can see some labels we put down for a grid. I measured the LUX at each >>> grid point with metal halide and then with my LED. >>> >>> If I integrate all the points on the grid, my LED is only 16 LUX lower >>> but at less than 30% of. The 300 watts is the max rating of my LED >>> drivers. I have not actually measured the input power yet, but I am pretty >>> sure it will be lower. >>> >>> In an industrial setting you get hammered for your demand charges. The >>> highest power draw in a 15 minute window each month. I pay $14.62 per kW >>> demand. My warehouse burns 24kW just for the lights. So just turning on >>> the lights for 15 minutes one time in a month the bill is $350. Plus the >>> energy charge of $158/month for running them 8 hours a day. >>> >>> This will take 16.8 kW off the demand which will save $245.62 each >>> month. Energy charges will be reduced $110 each month for a total savings >>> of $355.62/month if I convert all the fixtures. Not sure what it will cost >>> me to make each fixture but I might be able to sell them for that or a bit >>> more. Once done, if I turn this into a released product and someone >>> converts a warehouse like mind, the payback will be 12-18 months. >>> >>> I am pretty jazzed. I have some heat issues. Right now I am using >>> forced air with muffin fans but we all know how reliable those things are. >>> I hope to have a heat pipe version working soon. No moving parts. Silent. >>> >>> Then comes a dimmable version, a network version, motion sensor versions >>> etc. I can be pretty busy on this if I choose to do so. I am envisioning >>> a phone app where workers can turn on a light in the back corner if they >>> need it and either turn it off when they are done or it will time out after >>> 30 minutes or some such thing. We can do time of day programs etc. >>> >>> Best of all, my old metal halides are the type that take 15 minutes to >>> come back on if there is a power bump. These will be instant on. >> >> >> > >
