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Using Interval Data to Find Easy Energy Savings

In this course you’ll learn where to get interval data, how to get it into a useful format (even with NEM12 data!) and how to identify and quantify energy savings opportunities.

Interval data – your secret weapon to finding energy savings opportunities

Did you know that most businesses and governments are missing out on the opportunity to, at little or no cost, reduce their energy use by between 5% to 10%. And importantly to also cut their carbon emissions from the use of energy by 5% to 10%. As a result, a typical office firm, with say 100 staff, is each year unnecessarily spending around $4,000 and generating about 25 more tonnes of greenhouse gas – equivalent to the emissions of 6 cars.

You see for the many businesses and governments energy management is something that is put in the “too hard” basket. About all they do is negotiate a good price for their electricity, gas, and fuel.

And whilst there are energy engineers like myself who have the expertise to help them cut their energy consumption, reduce costs and size down their carbon footprint it can take a lot of time and money to get results. Now if you can, I would really urge you to get hold of a good energy efficiency engineer and get them to help you reduce your energy usage.

But if you’re time poor, and don’t have the budget, the chances are that you can still do a few simple things without spending too much time or money to noticeably cut your energy costs and cut your corporate greenhouse gas emissions. And you don’t need an energy engineer to find these opportunities. But you do need… Interval data.

Interval data is electricity, and occasionally gas, consumption data at closely spaced intervals, typically at 15, 30 or 60 minute intervals, showing the amount of energy consumed in each interval. And it’s absolute gold when it comes to identifying where there may be easy opportunities to reduce energy consumption.

Interval data may be free, but often its in a horrible format

You may be able to get interval data for your site for free. But it will most likely be in a format that you can’t make sense of. It will be in a massive spreadsheet or other file type and there won’t be any graphs or any guidance on how to make sense of the data.

What the course covers

This course shows you where you can get interval data from, how to manipulate it into a useful format (yes, even with an existing horrible format), how to match it to how your site is actually used, and how to identify and quantify energy savings opportunities. It builds on my experience in analyzing interval data for hundreds of buildings. I actually wish that had this training available back when I started, because it would have saved countless hours of trying to figure it how to work with awkward data files.

You’ll bring in some of your own interval data, and in the class will analyse it. You’ll be able to ask me any questions you like about your data and the opportunities for energy savings that it reveals.

Why you should take this course

Interval data provides you with the fastest and easiest way to identify and quantify opportunities to cut your energy use. A small investment in learning how to use it will help you both save money for your organisation, and very importantly, cut your carbon footprint.

Perhaps, like me, you want to make a contribution to reducing greenhouse gas emissions. Interval data is so useful when it comes to identifying opportunities to save energy and cut emissions, that should you not identify opportunities to save at least twice what this course cost you I’ll not only refund you, I’ll also analyze a data file you send me and highlight where I think the savings opportunities might be.

I urge you to take this course, and look forward to teaching you.

Course pre-requisites

This course assumes an intermediate knowledge of Microsoft Excel, and an ability to determine electricity tariff’s from an electricity bill.

Who should take this course

This course is aimed primarily at facility managers. Sustainability officers can also benefit from it.


For registration, and to see the next training dates, please visit

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