PAN FILE DEVELOPMENT REPORT REC245PE ©Black & Veatch Holding Company 2012. All rights reserved. B&V PROJECT NO.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Table of Contents Executive Summary ...................................................................................................................................... iii 1.0 Approach .......................................................................................................................................... 1-1 2.0 Results.................................................................................................................
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT REPORT LIMITATIONS This report was prepared for REC Solar US LLC (REC) by Black & Veatch and is based on information not within the control of BLACK & VEATCH. While it is believed that the information, data and opinions contained herein will be reliable under the conditions and subject to the limitations set forth in this report, BLACK & VEATCH does not guarantee the accuracy thereof.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Executive Summary REC Solar US LLC (REC) contracted Black & Veatch to create a photovoltaic (PV) module characterization file (known as a “PAN” File) for use in PVsyst energy production simulation software for the REC245PE module.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT 1.0 Approach The purpose of this effort was to create a PVsyst-compatible PAN file that more accurately represents a REC245PE module in operational conditions reducing the risk of production estimation underperformance caused by misrepresentation of module performance.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT 2.0 Results 2.1 MEASURED DATA Black & Veatch used the TÜV test data supplied by REC to generate measured efficiency curves of the module as a function of irradiance and module temperature. The rated power (Pmpp) of TÜV test samples varied from the module’s nominal power on the datasheet, but this variation was reduced by scaling each sample to achieve its precise nominal power at STC.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Table 1 Measured Maximum Power (Pmpp) for a REC245PE module MEASURED AT STC 25°C (W) MEASURED AT NOCT 45.72°C (W) 200 47.9 43.3 400 97.9 89.5 600 147.6 135.2 800 195.4 180.5 1000 245.0 224.3 IRRADIANCE (W/M2) 2.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Figure 2 Base Case PAN File Efficiency Curves for REC245PE 15.0% Module Efficiency (%) 14.5% Measured 25°C 14.0% Base Case 25°C 13.5% Measured 45.72°C Base Case 45.72°C 13.0% 12.5% 12.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT The results of Black & Veatch’s comparative metrics for the Base Case PAN File (as defined in Section 1.3) are shown in Table 3 below. Table 3 REC245PE Base Case PAN File Results ROOT SUM SQUARE (RSS) DEVIATION ENERGY PRODUCTION DIFFERENCE FROM LAS VEGAS TEST CASE* 1.94% -3.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Figure 4 Efficiency Curves for the Optimized REC245PE PAN File 15.0% Module Efficiency (%) 14.5% Measured 25°C 14.0% Optimized 25°C Base Case 25°C 13.5% Measured 45.72°C Optimized 45.72°C 13.0% Base Case 45.72°C 12.5% 12.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Table 5 compares the Base Case efficiency curves to the optimized efficiency curves. The RSS deviation between the optimized and measured curves is 0.23% after the optimization process, showing a reduction in deviation by approximately a factor of eight from the Base Case. The optimized PAN file energy production was compared to the expected measured energy production by using temperature and irradiance weights derived from the Las Vegas Test Case.
REC Solar US LLC | REC245PE PAN FILE DEVELOPMENT REPORT Appendix A Module Datasheet BLACK & VEATCH | Appendix A Module Datasheet 3-8
