Economic and environmental analysis of retrofitting a large office building with energy-efficient lighting systems

JOHN Stansbury, ANN M. Mittelsdorf

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

An evaluation of the economic and environmental costs and benefits that would result if the Zorinsky Federal Building, located in Omaha, Nebraska, USA, converted its current lighting system to a more energy-efficient system (i.e., joined the EPA's Green Lights Program) was conducted. Lighting accounts for 20-25 percent of all electricity sold in the United States. Costs considered in the study included the cost of retrofitting the building's existing lighting system and the cost of disposal of the current lamps and ballast fixtures. Benefits included a reduction of electric utility costs and a reduction of emissions of SO2, NOx, CO2, and CO from electric utility power plants. Environmental and health issues for air pollutant emissions were also addressed. The results showed that significant reductions in utility bills as well as reductions in air emissions would result from a major building converting to a more energy efficient lighting system. The results showed that conversion of this large building would reduce SO2 emissions by 14.6 tons/yr and NOx emissions by 6.3 tons/yr. In addition, the conversion would reduce annual energy costs by approximately $114,000.

Original languageEnglish (US)
Pages (from-to)909-918
Number of pages10
JournalEnvironmental Management
Volume27
Issue number6
DOIs
StatePublished - 2001

Keywords

  • Air emissions
  • Economic
  • Energy efficient
  • Environment
  • Lighting

ASJC Scopus subject areas

  • Global and Planetary Change
  • Ecology
  • Pollution

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