Cost per kilowatt unit £  
    Regular Lighting Low Energy Lighting  
Total bulbs Hours used per day Current wattage Total cost per year Replacement wattage Total cost per year Total savings per year
25 £ 0.00 5 £ 0.00 £ 0.00
35 £ 0.00 7 £ 0.00 £ 0.00
40 £ 0.00 9 £ 0.00 £ 0.00
60 £ 0.00 11 £ 0.00 £ 0.00
75 £ 0.00 15 £ 0.00 £ 0.00
100 £ 0.00 20 £ 0.00 £ 0.00
150 £ 0.00 25 £ 0.00 £ 0.00
     
        This is how much you could save! £ 0.00