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Electricity costs LED Grow lamp

LED grow light and the energy bill

Switching to LED is done for several reasons, but the most important is often the energy bill. In addition to the costs for purchasing your LED grow light, you naturally pay electricity costs. But what is your advantage in electricity costs after you buy a new LED Grow Light purchased?

What does electricity cost?

Electricity costs are measured in kilowatt-hours (kWh). Electricity costs differ per energy provider, they use different rates and you have to deal with fixed costs. Nevertheless, there are averages to be discovered. For private individuals, this is approximately 22 cents per kWh (incl. energy tax) in 2017. As a commercial greenhouse horticulturist, different rates and conditions apply, and VAT is also deductible.

Sample calculation of electricity costs

A price is always per kilowatt hour, so if you leave a lamp of 1000 watts on for 1 hour, you pay 22 cents for it. As a horticulturist, suppose you have a 600-watt HPS grow lamp that you leave on for 12 hours a day. So you use 7,200 watts per day, which is 7.2 kWh per lamp per day. With a price of 22 cents, that is 1.58 per day. At 250 days a year, that is more than 395 euros per grow lamp. This is a considerable cost item, which ballasts are not yet included in the calculation.

Switching to LED, what difference does that make per lamp?

Greenhouse growers and growers often use 600 watt or 1000 watt HPS/HID lamps. For example, you can replace a 600-watt lamp with a KIND XL600 or Apollo 10 LED Grow Light. These lamps consume 320 watts. A saving of roughly 50% (even more if you include the control gear). In the example calculation above, this makes a big difference 197 euros per year per lamp . This means that the Apollo 10 LED Grow Light pays for itself in less than 2 years.

And as a greenhouse horticulturist?

Due to the lower rates for energy and energy tax, as a business user you may only pay 9 cents per kWh. Of course the sum will be different. With a use of 250 days, this means a saving of 81 euros per year per lamp . This makes the payback time a bit longer but still worth it. After all, you no longer have to worry about the sometimes annual replacement of the HPS or induction grow lamp. All in all, this makes switching to LED lighting in the garden and greenhouse construction very interesting. Do you use natural gas? In that case too, a lot can be saved, more about that soon.

Energy tax

In the Netherlands we all pay a lot of taxes, so we also pay taxes on energy. For private individuals, that energy tax is already in the 22 cents discussed above. As a company, this is an advantage because the more you use, the lower the tax will be. This works by means of scales. With a higher consumption, you end up in a higher consumption zone, so that you will pay less energy tax on balance. That means a lower electricity price, which can make a huge difference for large consumers.

Measure energy consumption of equipment and lighting

Would you like to know for sure what a lamp really consumes? Then you can buy a consumption meter. You plug this into the socket, then plug the grow lamp or other device into the consumption meter. You pay between 10 and 30 euros for a consumption meter.