Are Your Energy Savings Real? Energy Modeling and Management at Rice University
By Richard Johnson, Director of Sustainability, Rice University
When are reductions in energy consumption verifiable savings?
With the emergence of the ACUPCC and increasing focus on energy costs and supplies, universities across America are pursuing measures to reduce their energy consumption and their greenhouse gas emissions. As these schools attempt to measure their results and document savings, I ask how do they really know when they are saving energy?
Let’s assume that a campus building is metered for all utilities, and that these utilities can be tracked on a weekly basis. And further, let’s assume a two-week experiment, and that at the beginning of the second week space temperatures in the building are changed as part of a new campus building temperature policy to reflect what is considered to be a more efficient range. If the meter readings were lower in week two than week one, can a utility manager conclude that the energy conservation measure was a success? Given our experience at Rice University, we would argue that the answer is no.
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