How to analyze building performance with ET Curve

Before proceeding with these steps, it's essential to understand what an ET curve is:

ET Curves, short for Energy Temperature Curves, illustrate how a building's energy consumption relates to outdoor temperature. Each building has its unique ET curve, generated by analyzing historical energy consumption data and weather data. Comparing these predictions (ET curves) with actual energy usage helps monitor a building's energy behavior and detect deviations.

To analyze a building's performance using the ET curve, follow these steps:

1. Log in to the My Energy Monitor portal using your email and password.

2. From the upper left corner, select the child company account whose building's data you wish to explore.
   
   
   

3. In the left navigation bar, click on “Organization,” and then choose “Buildings.”

4. Pick the relevant building from the list.
   
   
   

5. Click the “Overview” button to access detailed data for this building.
   
   
   

6. While on the overview page, scroll down until you locate the Energy Temperature Curve (ET Curve).

7. Customize the interval and date range to analyze specific data.

8. Hover over the blue dots to see more detailed information about each month.
   
   

   Here, blue dots represent actual measured consumption values, and the red line represents estimated normal consumption at various outside temperatures.

   
   For instance, in this case, we've configured it to display monthly data over the past 12 months, resulting in 12 blue dots representing consumption at different outside temperatures for various months. The red line serves as a reference for normal consumption, enabling you to identify periods of unusual energy usage compared to the building's standards.