Title

Geographic Variation in Potential of Residential Solar Hot Water System Performance in the United States

Secondary Author(s)

Parker, Danny

Report Number

FSEC-CR-1817-09

URL

http://publications.energyresearch.ucf.edu/wp-content/uploads/2018/06/FSEC-CR-1817-09.pdf

Keywords

Solar Thermal; Simulation; EnergyGauge; Buildings

Abstract

This paper describes an assessment of residential solar water heater performance around the continental United States. We performed annual simulations using an hourly simulation model (EGUSA) for 212 TMY3 weather locations around the nation. The annual simulations show how standard hot water energy use for electric and gas systems vary geographically (kWh and therms) as well as the potential energy savings from solar water heaters. A key finding is that the energy necessary for water heating varies by 2:1 around the U.S. with implications for solar water heating system design and sizing. Our results provide information on expected water heater performance, solar systems savings and best configurations.

Date Published

8-1-2009

Subjects

Buildings - EnergyGauge; Simulation; Solar Thermal

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