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How Much Does It Cost to Run a LED Grow Light in New York? (2026)
Grow lights run 12 to 18 hours a day, so wattage matters more than for any other light in the house. A small 50 watt panel for herbs is cheap; a 600 watt light for a grow tent costs as much as a fridge to run.
A typical led grow light (150 W) costs $0.043 per hour, or about $18.27 per month at 14 hours a day in New York. Average running cost
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (50 W) | $0.014 | $0.20 | $6.09 | $74.09 |
| Typical (150 W) | $0.043 | $0.61 | $18.27 | $222.28 |
| High (600 W) | $0.17 | $2.44 | $73.08 | $889.14 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 14 h/day ≈ 766 kWh per year.
In New York, with electricity at $0.29 per kWh (source: EIA Table 5.6.A, 2026-06), a typical led grow light costs $0.043 per hour and about $222.28 per year at 14 hours a day. That is about 61% more than the US national average of $11.34 per month, because electricity in New York costs $0.29 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 23.0 hours of use.
How to lower the cost of running a led grow light
- Match the light to the canopy size. Excess light is wasted electricity.
- Use a timer so lights never run longer than the plants need.
- Choose full-spectrum LEDs over HPS or fluorescent. They produce more light per watt.
Frequently asked questions
How much does it cost to run a grow light per month?
A 150 watt light for 14 hours uses 63 kWh a month. Pick your region for the cost.
Are LED grow lights cheaper than HPS?
Yes, roughly 40 percent less electricity for the same light output, plus less heat to remove.
Do grow lights use a lot of electricity?
Because of long daily run times, yes. A 600 watt light is one of the biggest loads in a home.
Cost by region
- United States (average)
- California
- Texas
- New York
- Florida
- Canada (average)
- United Kingdom
- Germany
- France
- Australia
- India