Mining electrical meter data to predict principal building use, performance class, and operations strategy for hundreds of non-residential buildings

Clayton Miller, Forrest Meggers

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

This study focuses on the inference of characteristic data from a data set of 507 non-residential buildings. A two-step framework is presented that extracts statistical, model-based, and pattern-based behavior. The goal of the framework is to reduce the expert intervention needed to utilize measured raw data in order to infer information such as building use type, performance class, and operational behavior. The first step is temporal feature extraction, which utilizes a library of data mining techniques to filter various phenomenon from the raw data. This step transforms quantitative raw data into qualitative categories that are presented in heat map visualizations for interpretation. In the second step, a random forest classification model is tested for accuracy in predicting primary space use, magnitude of energy consumption, and type of operational strategy using the generated features. The results show that predictions with these methods are 45.6% more accurate for primary building use type, 24.3% more accurate for performance class, and 63.6% more accurate for building operations type as compared to baselines.

Original languageEnglish (US)
Pages (from-to)360-373
Number of pages14
JournalEnergy and Buildings
Volume156
DOIs
StatePublished - Dec 1 2017

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Keywords

  • Building performance
  • Data mining
  • Energy efficiency
  • Performance classification
  • Smart meters

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