The Importance of Energy Use Intensity in Improving Energy Efficiency

Do you think your business is spending too much on electricity? If so, you need to find a way to reduce your energy consumption and make the most of your energy costs. There are a lot of options that can help you. However, you must first understand energy use intensity and its role in improving your energy efficiency.

You go through your fixed overhead costs and get stumped by how much it is. What do you do? You find ways to cut them down, of course. Energy expenses take up one of the largest percentages of your company’s monthly budget. Which is a good thing because unlike other aspects such as employee payments and business operations, energy expenses can be reduced.

Commercial buildings contribute more than twenty percent of the total energy consumption of the country, an average thirty percent of which goes to waste. Just knowing your building’s total energy consumption cannot help you optimize energy efficiency. President of WeCompete Energy CEO Mr. Resides states, “With knowledge of your energy use intensity, you can determine whether your building is using too much energy for its size and help you decide how much of your consumption you need to reduce.”

What is Energy Use Intensity?

Energy use intensity (EUI) measures a building’s energy efficiency. It is expressed as a function of the building size by identifying annual energy usage per square foot of your building. Simply put, it can be computed by dividing your total energy consumption for the year by the total floor area of your building.

There are two types of EUIs: the site type and the source type. The site type EUI is used to measure the amount of energy utilized in a building while the source type EUI represents the total amount of energy used to run a company and its operations; this includes energy used for delivery and transportation processes.

How to compute for EUI?

Now that we have established that EUI is energy use per square foot per year, it is time to learn how to compute for it. Compute for the EUI by dividing gross energy utilized in a year, expressed in kilowatt-hour or kilo-British Thermal Units (kBTUs), over total square footage of the building.

For example:
You own a two-story building with the main floor measuring around 20,000 square feet and the second-floor measure 15,000 square feet. Your building consumed a total of 2,250,000 kilowatts for the year.

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