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Did a lil research and found that that a 50khh system makes about 6000kwh per month. 12 lights at 96.3kw per day would would consume 2808kw per month. Therefore the right system for this setup would be a 25kwh system. The best price/quality I can find on a system like this is from a Chinese...

Nice. Do you run AC current? I'm trying to figure out what the lumen difference is between the loss of inverting from DC to AC on both panels and led drivers. This guy runs a pretty comprehensive test on the sf-4000's: Lots of bang for buck there. Have a look at these...

Hey thanks man, with electricity prices getting up there it sure makes sense to begin thinking differently, especially long term. I would probably grow rows of 3 in each 4x8, so a total of 12 in each. Total plant count would be 72... So I'd use a 100x cloner and veg them pretty tight, probably...

nah. Flowering room only. Lights only. 93.6kw per day. Best answer yet. Do you know if there are any benefits of DC-DC over a DC-AC other than led drivers and inverter costs? I see that a 1000ah battery bank at 48V holds 50kwh of power. The relationship between panels and batteries? Can a...

no, I'm still stuck in 2020.... I don't even live in the states, so not my turf anyways... In other words, I don't care what the price is. What I care about is the actual cost of running 12 lights with solar... Some hostile tokers here for sure.

Yeah... you could be right. I read many places that a 5kw system produces about 20kwh per day. 12 x 650w lights would need 94kw per day. You'd need 40 x 670w panels to produce this in a day.

Yeah, no doubt. There's a lot lot. I'm tryna figure out how to best design solar powered LED coverage for 6 4x8's.

I sent them an email... https://www.youtube.com/shorts/nMiW4lmLfKE

Yeah, become a agrivoltaic God.

That's system costs? The US has imposed a 25% import tax on solar from China. I'm interested in finding the lowest cost system before tax. Since most solar comes from China anyways, Trina solar has a good product. But from what I can see, the panels themselves are priced $0.22-0.25...

Find me a commercial grower who grows from seed :D

Well yeah, but I'm trying to realize an offgrid indoor grow now or am I missing something?

Well, you don't necessarily have access to a grid either do you?

Yeah... $0.27 per watt: https://www.alibaba.com/product-detail/trina-solar-panels-670w-trina-vertex_1600286726223.html?spm=a2700.galleryofferlist.normal_offer.d_title.f5e822f4089nRK&s=p If this is off, then how much? I'm trying to get realistic figures. This guy is getting 180kwh (at best) per...

That's the average price per lbs in the US. Where I am at I'd get $3000 per :cool:

Example: What would be the total cost of a solar system to power 12 x 650W LED lights offgrid in a sealed grow room? The intranet states (several places) that a 5kw system generates roughly 20kwh per day. A 650W LED uses 7.8kwh per day @ 12 hours. 12 lights would use a total of 93.6kwh per...

lm281b+ pro are 213lm/w: https://www.samsung.com/led/lighting/mid-power-leds/2835-leds/lm281b-plus-pro/ They are also 5w @ 2.7V while 301b's are 2W @ 3V The margins are quite minimal between these two diodes, and as the above commenter states: better more 281's than less 301's. The par test...

So I am trying to figure this out. You don't need to run 1000w per 4x4... seems a bit overkill for todays lm301b diode technology. You need about 30w per sq.f. For a 4x4 that is 16sqf x 30watt = 480w. Lets just assume 600 watt per light for CO2 controlled environment or 37.5w per sq.f. You can...

I need 2 low odor strains for my rotation too. One indica leaning and one sativa. I highly recommend Gorilla Girl by Sweet Seeds for low odor strain. Also, NL auto from Seedsman (their new one...) all day long... Those generic strains are all boring. Seedsman has Guava Jelly listed as low...

Have you considered automatic irrigation? Drip emitters and watering 3 times pr day really aids growth. You need them a little above ground to drain out though unless you pumpdrain.