How Much Does a CFL Bulb Cost to Run?
CFL bulbs are more efficient than incandescent bulbs, but LEDs are now usually the better choice.
Quick Summary
Typical Wattage
15W
0.0 kW
Est. Daily Cost
R0.22
6h/day
Est. Monthly Cost
R6.72
at R2.49/kWh
Calculate Your CFL Bulb Electricity Cost
Adjust the values below to match your usage.
Daily kWh
0.09 kWh
Monthly kWh
2.7 kWh
Cost Breakdown
| Period | Cost |
|---|---|
| Per day | R0.22 |
| Per week | R1.57 |
| Per month | R6.72 |
| Per year | R81.80 |
Tips to Reduce Your CFL Bulb Electricity Cost
- 1.Upgrade to LED when replacing failed CFLs.
- 2.Avoid very frequent switching on and off.
- 3.Dispose of CFLs properly because they contain mercury.
Compare With Other Lighting Appliances
Frequently Asked Questions
How much electricity does a cfl bulb use per month?
A typical cfl bulb uses 15W and, when used for 6 hours per day at R2.49/kWh, costs approximately R6.72 per month (2.7 kWh).
How many watts does a cfl bulb use?
A typical cfl bulb in South Africa uses approximately 15 watts (0.0 kW). Actual wattage may vary by brand and model - check the rating plate on your appliance for the exact figure.
How can I reduce the electricity cost of my cfl bulb?
Upgrade to LED when replacing failed CFLs. Avoid very frequent switching on and off. See our full list of tips above for more ways to save.
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