Why you should be conducting an impact analysis with your energy assessment

Learn how to undertake an impact analysis the right way.

By Riyaz Papar

Undertaking an energy assessment can be a daunting task, but it doesn’t have to be if the energy expert can understand and follow an impact analysis. This column will cover this methodology and cite a few examples of how to undertake an impact analysis while doing energy assessments.

Published ASME standards for energy assessments provide a good starting point and offer guidelines for conducting these assessments. Nevertheless, our resources — budgets, human resources, and time — are always limited. Hence, there’s a strong need to undertake energy assessments from an impact-level perspective and increase the cost-effectiveness of these efforts. We are still talking about a systems approach; I’m not suggesting cutting any corners while performing energy assessments.

Impact analysis refers to a study that represents the impact (savings or increase) due to changes in operating conditions, best practices, energy efficiency projects, etc. The question you should always ask: “Is this system or component going to see a difference in its operation if we implement a project?” If the answer is “yes,” then it should be included in the impact system. If the answer is “no,” then it doesn’t matter whether you include it or not, and I recommend excluding it. Below are two specific scenarios we come across while undertaking energy assessments that help significantly illustrate the concept.

To learn more, read "Energy Saver: Understand Impact Analysis" from Chemical Processing.

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