Grow Light Cost Calculator

Formula

The formula to calculate the grow light cost (GLC) is:

\[ GLC = EC \times T \times P \]

Where:

$ GLC $ is the grow light cost per day ($).
$ EC $ is the electricity cost ($/kWh).
$ T $ is the average time of usage per day (hours).
$ P $ is the power usage of the light (kWh).

Example

Let's say the electricity cost ($ EC $) is $0.12 per kWh, the average time of usage per day ($ T $) is 10 hours, and the power usage of the light ($ P $) is 0.5 kWh. Using the formula:

\[ GLC = 0.12 \times 10 \times 0.5 \]

We get:

\[ GLC = 0.6 \]

So, the grow light cost ($ GLC $) is $0.60 per day.

What is the Cost to Run A Grow Light?

The cost to run a grow light depends on three factors:

The cost of electricity. This is highly dependent on location and the source of electricity. For example, solar energy would be cheaper than that from the grid.
The daily run time of the light. The longer the light runs, the more it will cost.
The power usage per hour of the light. The higher the power usage, the greater the cost.