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Title: Albedo Data for Bifacial PV Systems

Abstract

At the September 2018 Bifacial PV Workshop in Lakewood, CO, a better understanding of albedo values and characteristics was identified as a key need by both the PV and financial communities to better estimate performance and to reduce risk of bifacial PV systems. To meet this need, the U.S. Department of Energy (DOE) has initiated work with the National Renewable Energy Laboratory (NREL) to provide the following: A multi-year database of measured and quality assessed albedo values with temporal resolution of one hour or less for numerous locations and types of ground surfaces. Site metadata for each location (Pictures, instruments and calibration history, soil and vegetation types, etc.) Site albedo statistics for each location (diurnal profiles, monthly and annual means, interannual variability) Analysis of the spectral mismatch for bifacial PV modules of the ground-reflected radiation for anticipated deployment surfaces (using both measured and modeled spectral albedo data). Comparisons of the measured albedos with available satellite-derived MODIS albedo products to validate the MODIS albedo products for estimating bifacial PV system performance.

Authors:
 [1]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1569206
Report Number(s):
NREL/PO-5K00-73375
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 2019 PV Reliability Workshop, 26-28 February 2019, Lakewood, Colorado
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 47 OTHER INSTRUMENTATION; albedo; albedometer; data; satellite; diurnal profiles; monthly and annual means; interannual variability; analysis; spectral mismatch; bifacial PV modules; ground-reflected radiation

Citation Formats

Marion, William F. Albedo Data for Bifacial PV Systems. United States: N. p., 2019. Web.
Marion, William F. Albedo Data for Bifacial PV Systems. United States.
Marion, William F. Fri . "Albedo Data for Bifacial PV Systems". United States. https://www.osti.gov/servlets/purl/1569206.
@article{osti_1569206,
title = {Albedo Data for Bifacial PV Systems},
author = {Marion, William F},
abstractNote = {At the September 2018 Bifacial PV Workshop in Lakewood, CO, a better understanding of albedo values and characteristics was identified as a key need by both the PV and financial communities to better estimate performance and to reduce risk of bifacial PV systems. To meet this need, the U.S. Department of Energy (DOE) has initiated work with the National Renewable Energy Laboratory (NREL) to provide the following: A multi-year database of measured and quality assessed albedo values with temporal resolution of one hour or less for numerous locations and types of ground surfaces. Site metadata for each location (Pictures, instruments and calibration history, soil and vegetation types, etc.) Site albedo statistics for each location (diurnal profiles, monthly and annual means, interannual variability) Analysis of the spectral mismatch for bifacial PV modules of the ground-reflected radiation for anticipated deployment surfaces (using both measured and modeled spectral albedo data). Comparisons of the measured albedos with available satellite-derived MODIS albedo products to validate the MODIS albedo products for estimating bifacial PV system performance.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {9}
}

Conference:
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