There are two very common metrics used to evaluate the financial appeal of an LED lighting project: simple payback and return on investment. Many are already familiar with these metrics but the following information will provide a brief explanation for those who are not and will also provide some important considerations when calculating these metricsRead more
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Estimating LED Maintenance Savings In addition to its energy saving benefits, LED’s longer-life aspects are an often-advertised feature. This LED Mini Series installment will review where those long-lasting claims come from as well as a common method for estimating the related value created. Below is a table that shows older lighting technologies’ rated lives andRead more
We saw in a previous LED Ed Series installment that the electricity rate factor is key to translating energy saved to dollars saved. So how do we estimate this factor accurately? The simplest and generally most accurate way is to do a quick analysis of your building’s electricity bill. The electricity rate is the totalRead more
We previously learned how LED uses less power than other lighting technologies, but how does that translate to energy and money saved? First, it’s important to understand how electricity is measured. A kWh, kilowatt-hour, is a unit used to quantify how much electrical energy a building uses over a certain period of time. It isRead more