Jul 2021

The IPMVP certification

These initials stand for the International Performance Measurement and Verification Protocol. Through measurements and verifications, this protocol aims to calculate and monitor the impact of energy performance actions in a building and, in so doing, to estimate how much energy has been saved.

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1) What is the IPMVP?

These initials stand for the International Performance Measurement and Verification Protocol. Through measurements and verifications, this protocol aims to calculate and monitor the impact of energy performance actions in a building and, in so doing, to estimate how much energy has been saved.

The IPMVP's methodology compares two periods:

  • A reference period, where data on the energy consumption of the buildings is collected and analysed, and which is meant to serve as a basis for comparison.
  • A monitoring period: once certain actions are set up (renovations, for example), the energy consumption is measured and analysed. The evolution of the consumption is then assessed to deduce the ways in which the implemented actions have led to energy savings.

The aim is to contrast these energy savings with the cost incurred.

2) How is IPMVP used at Datanumia?

At Datanumia, the IPMVP methodology is used to calculate the energy savings generated after having set up Energy Performance Actions (EPAs) with our Energy Management clients.

Consumption during the reference period (before the EPA) is compared with the monitoring period (after the EPA).  In order to compare appropriately, we “adjust” the reference consumption data in relation to various influencing factors (climatic ones in particular).

In other words, the difference between these two consumptions (the one that was measured and the adjusted reference) represents the savings or gains made (for an equal period).

3) What do the clients get out of it?

They are given a structured approach to tackle measurements and verifications.

The different parties can easily agree on the overall structure of the methodology, all of which is included in a Measurement and Verification plan to limit risks.

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