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Assume that a typical PV system in the UK will generate 950 kWh/kWp/year and will cost £1.40/Wp to fully install the system. If electricity costs 20.0p/kWh, and you are paid 5.0p/kWh for any electricity exported to the grid, please answer the following questions: 1. What size PV system can be best fitted on to the available roof area? 2. What inverter or combination of inverters would you recommend and why? 3. What would be a simple payback period in years for your proposed system and what assumptions have you made? Total anual electricity 3100 kw consumption Available area for PV on the roof (m²) H Solar module spec: Electrical data Module production in the EU Module production in Japan Rated power Open circuit voltage Inverter spee: MDC DC Page range M Dage Min DC d Dermally Grand faut ma Po pr Output value max PV Short circuit current Voltage at maximum power Current at maximum power Module efficiency alg +0.053 Temperature coefficient-open circuit voltage Temperature coefficient-short circuit current Temperature coefficient-power The electrical data applies under standard testing conditions (STC): Radiation 1,000 W/m with a spectrum of AM 1.5 and at a cell temperature of 25 "C. The power output is subject to a manufacturing once of-5% and +10 %. The modules manufactured in Europe and Japan are identical apm -0.485 POS Operating range dag ping range pro Ang of phase d Grd men Inocy Max do funda m wid Power comun 11.7mx 3.2m- 37.4m2 NOWY SLOW 'sc ANOW ANOW Tim 100V 754-150 100 ABA Voc Sumy Boy 700 SHOW MC pho +35 FM-253 NOV-20 473-3020 45.5-4.3 1245 925 NU-185 (1) NU-S5 (E3E) 185 Wp 30.2 8.54 24.0 7.71 14.1 -104 +0.053 -0.485 KAW SIW 424 TWOW Sunny Boy 1250-300 plug 425 NU-180 (1) NU-50 (E3E) 180 W₂ 30.0 8.37 23.7 10V-251V 180345 A-302 53-543 135 www SIW 76 13.7 -104 +0.053 -0.485 Sunny Boy 1100 sow PV-201 TROV-DAY w71 PLAS NU-50 (E32) 180 Wp 30.0 STW 8.23 23.7 7.6 13.7 -104 -0.053 -0,485 NU-RS (E32) 175 Wp 29.8 43-343 8.29 23.2 7:55 13.4 -104 +0.053 -0.485 Sunny Boy 1 Surry Bay 1700 RS PAS NU-RO (EJE) 170 W₂ 29.4 8.37 22.4 Survy By 2000 7.60 13.0 -104 Syy 2500 3400W V A V A % mV/°C %/*℃ %/°℃ NIS 12:25 CATW Suyy 3000 MS 145 *TW 835
Assume that a typical PV system in the UK will generate 950 kWh/kWp/year and will cost £1.40/Wp to fully install the system. If electricity costs 20.0p/kWh, and you are paid 5.0p/kWh for any electricity exported to the grid, please answer the following questions: 1. What size PV system can be best fitted on to the available roof area? 2. What inverter or combination of inverters would you recommend and why? 3. What would be a simple payback period in years for your proposed system and what assumptions have you made? Total annual electricity 3100 kWh consumption Available area for PV on the roof (m²) 11.7m x 3.2m- 37.4m2
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