Abstract

The research undertook a comparative analysis of results obtained from both Real-time energy consumption measurements and computerized energy use simulations. The purpose was to find the level of accuracy/reliability of data obtainable (Test-Out-Theory) thus leading to a greater efficiency of energy planning decision support tools in the context of their utilization in the sub Saharan regions. eQUEST 3-65 software was used for the purpose of simulation of energy consumption. A 72% cumulative accuracy level was obtained for randomly selected buildings under study. The research therefore recommends that energy performance simulation tools are veritable and viable devices for estimation of potential energy consumption of building at pre and post design stages. Keywords: Sustainability, Energy Performance, Energy Planning, Energy Modelling, Computerized Energy Simulation, eQUEST 3-65 software. DOI : 10.7176/CER/11-1-07

Highlights

  • 1.0 INTRODUCTION Energy modelling is the disaggregation of the total energy uses by a building into components of the energy such as costs of fan motor operation, space heating, space cooling, lighting and equipment (i.e building and process load)

  • EQUEST 3-65 software was used for the purpose of simulation of energy consumption

  • The relationship between measured energy and simulated energy use showed an average level of accuracy of 76% for this simulation tool

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Summary

Introduction

Energy modelling is the disaggregation of the total energy uses by a building into components of the energy such as costs of fan motor operation, space heating, space cooling, lighting and equipment (i.e building and process load). These data are often inputted vie scripted programs into the computer for analysis and simulation. The United State Department of Energy (DOE) proposed the first Building Energy Performance Standards (BEPS) in 1979. This standard was called US DOE 1979. Recent development has led to more intuitive and user friendly simulation techniques

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