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SAVE MONEY WHEN SWITCHING TO LED GROW LIGHTS

February 9, 2021 No Comments

When investing in grow lights, it is important to think long term. Two key considerations should be made when browsing grow lights: What kind of yields can a light produce? How much does it cost to operate? Smart cultivators understand that their profit is determined by the size and quality of their crop minus the expenses of consumables like electricity, fertilizer, clones, etc.

An important concept to understand is that higher light density leads to greater yields, which creates more profit per harvest— and LEDs achieve this while also saving money by lowering operating costs compared to HPS/CMH lights. By switching to higher output and more efficient LED lighting you can save hundreds of dollars per light per year.


How PPFD (Light Density) Affects Yield & Profit

There will be significant increases in plant growth (i.e. yield) as the light density increases up to a PPFD of 1500, then it plateaus or can even start to have an adverse effect. Our FL-1 can achieve an average PPFD of 1027 in a 4’x4′ area, which beats competitors like the Gavita 1700e, which only creates a PPFD of 912 over the same area.

The exact change in yield will vary depending on several factors— the strain of cannabis grown, how much CO2 is added to the room, the nutrients used, etc.— but when all factors are left the same, growers will be able to achieve higher yields when light density is increased. Just as an example, a 10% increase in yield from 1lb to 1.1lb per light with a sale price of $1000/lb will increase profit by $100 per light per harvest. With typically a couple months between harvests, that is an extra profit of $500-600 per light per year.


How Switching To LED From HPS Lowers Operating Costs

LEDs have a life expectancy of 50,000 hours, which means they can have close to 10 years of use, while the lamps used in HPS grow lights are typically swapped after only 8-12 months of use. Not having to manage this upkeep saves a grower around $80 per light per year.

Additionally, the energy cost of our 720W FL-1 light uses much less electricity than a 1000W HPS light of the same light output. If both were running on average 12 hours per day, our LED light would save customers about $170 per light per year (will vary depending on local energy costs). Add on the fact that LEDs have a reduced heat output, meaning less energy is needed to be spent on cooling rooms in hotter regions, which increases savings even further. In total, the cost of energy savings of our LED versus the most commonly used light (1000W DE HPS Grow Light) is greater than $250 per light per year.

In summary, by switching to VOLT Grow LEDs from traditional HPS fixtures, you can save at least $750 per light per year! For large facilities, this would save grow operations thousands of dollars. Investing in lighting equipment is a pivotal process for your cultivation that you only want to do once, which is why it is important to think about the long-term costs and maintenance, in addition to the light’s output.

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