Annual Energy Cost Savings Calculator

Use this simple calculation to determine annual energy cost savings resulting from an upgrade of one lamp or system type throughout a facility. This annual cost savings figure may be compared with the cost of the upgrade to determine simple payback and return on investment (ROI). NOTE: For fluorescent systems, substitute "lamp" with "system" or "fixture" so that ballast watts are included.

Simply fill in the GREEN cells.

Step 1. Compute the total power (kilowatts, kW) saved by upgrading older lamps to energy saving LED replacements

Original Lamp Wattage

Replacement Lamp Wattage

Watts Saved per Lamp

Number of Lamps to Replace

lamps

Total Watts Saved

Total Kilowatts Saved

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"As an innovative and progressive company, we keep abreast of the latest advancements in lighting technology, which ensures our clients' lighting systems are up-to-the-minute in design and energy efficiency"

Troy Rothery - Managing Director

01132 453089

Annual Energy Cost Savings Calculator

Step 1. Compute the total power (kilowatts, kW) saved by upgrading older lamps to energy saving LED replacements

Step 2. Compute the total energy (kilowatt hours, kWh) saved annually by performing this upgrade

Step 3. Compute the total energy cost savings per year

Simple Payback

Return on Investment (ROI)

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