Incandescent

CFL

LED

1,200 hrs life span

8000 hrs life span

50,000 hrs life span

60 watts

13-15 watts

6-8 watts

30 lamps =

3285 KWh/yr

30 lamps =

767 KWh/yr

30 lamps =

329 KWh/yr

Cost/yr =

R6175.00

Cost/yr =

R1440.00

Cost/yr =

R618.00