Energy Cost Calculator
78% to 85% of every dollar you spend on the cost of light is spent on electricity.
Less than 4% is actually spent on lighting hardware. Obviously, selecting the most energy efficient lighting systems is the key to getting the best possible return on your lighting investment. Save your company or organization money by investing in the most cost-efficient, energy efficient luminaires from Brownlee. It’s all about understanding the big picture.
Fill out the chart below and see for yourself what a difference the right luminaire can make.
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| Original Lamp Wattage |
Replacement Lamp Wattage |
Watts
Saved per Lamp |
Number
of Lamps to Replace |
Total
Watts Saved |
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| _____W | - | _____W | = | _____W | x | _____ | = | _____W | ||
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| Wattage
Savings per Upgrade |
Hours
of Use per Day |
Days
of Use per Week |
Weeks
of Use per Year |
Annual
Watts Saved |
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| _____W | x | _____hrs | x | _____days | x | _____weeks | = | _____W | ||
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| _____W | ÷ | 1000 | = | _____kWh | ||||||
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| _____kWh | x | 0.10 | = | _____$ (per year) | ||||||
