Comparison of concentrating collectors to tracking flat panels
Conference
·
OSTI ID:6838943
Two-axis tracking appears to be the economic optimum for photovoltaic flat-panel technology. This requires a new comparison of flat-panel and concentrator arrays using the most competitive flat-panel option. The array field costs for a two-axis tracking flat-panel should be nearly identical to the costs for a concentrator. Therefore, module costs for the two technologies can be compared directly, simplifying the analysis. For example, at southwestern sites, characterized by a high direct-to-diffuse insolation ratio, 12% flat-panels are found to be equivalent to 15% concentrators of the same cost ($/m/sup 2/). For regions with more diffuse radiation the concentrator must be over 18% efficient to be equivalent.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 6838943
- Report Number(s):
- SAND-84-0968C; CONF-840441-1; ON: DE84010977
- Country of Publication:
- United States
- Language:
- English
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