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.

Reply via email to