How much energy could a bank of solar panels with an area of 100 square meters a

Question

How much energy could a bank of solar panels with an area of 100 square meters and 10% efficiency supply in an average year at a location in Oklahoma City if they were oriented at latitude (35.4 N)?

"City OKLAHOMA CITY "State "OK" "WBAN No 13967 Lat (N) 35.40 Long (W) 97.60 Elev (m) 397 Press (mb) 970 "stn Type Secondary SOLAR RADIATION FOR FLAT-PLATE COLLECTORS FACING SOUTH AT A FIXED-TILT (kWh/m2/day), Percentage Uncertainty 9" Tilt (deg "Jan", Feb Mar "Apr", May "Jun", Jul Aug Sep Oct Nov Dec Year 6.2, 6.8 r Average 2.8 3.5, 4.6, 5.7 6.9 2, 5.0 4.0, 2.9, 2.4 4.8 Minimum 2.2 3.0 3.6 5.0 5.6, 6.1 5.8 5.6 4.2 3.3, 2. 4, 2.0 4.6 Maximum 3.2 4.0 5.3 6.4 6.9, 7.4 7.8 6.9, 5.7 4.6, 3.5, 2.8 4.9 Lat 15 Average 3.9, 4.4 5.3 6.0 6.2 6.6 6.5, 5.6 5.0, 3.9 3.5 5.3 Minimum 2.7 3.5, 4.1, 5.3, 5. 6, 5.9, 5 5. 8, 4.6, 3.9, 3.0, 2.7, 5.0 Maximum 4.7 5.3 6.3 6.9 6.9 7.2, 7 7.2 6.5 5.9 4.9 4.3 5.6 Lat Average 4.4 4.9 5.5 5.9 5.8 6.0 6.3 6.3, 5.7 5.4 4.4 4.1 5.4 "Minimum 3.0, 3. 8, 4.1, 5.2, 5. 2, 5.4, 5.3, 5. 6, 4.6, 4.1, 3.2, 3.0, 5.0 "Maximum", 5.5, 5.8, 6.6, 6.8 6.5, 6. 6, 7.1, 6. 9, 6.6, 6. 4, 5. 7, 5.1, 5.7 Lat 15 Average 4.7 5.0 5.4 5.5 5.2 5.2 5.5 5.5 5.5 4.7 4.4 5.2 Minimum 3.1, 3.8, 4.0, 4.9, 4.7 4.7, 4.7, 5.1, 4.4, 4.1, 3.3, 3.2, 4.8 Maximum 6.0, 6. 1, 6.5, 6. 3, 5.8, 5.7, 6.2, 6. 3, 6.4, 6.5, 6.1, 5. 6, 5. 5 "90 4.3, 4.1 3.8 3.2 2.5, 2.3, 2.4 3.0, 3.6 4.2 4.1 4.0 3.4 rage 2.6 3.0, 2.8 2.8, 2.3 2.1, 2.2 2.7, 2.9 2.7 3.1 Minimum' 3.2 2.9 "Maximum 5.5, 5.0, 4. 6, 3. 5, 2. 7, 2.3, 2.6, 3.2, 4.1, 5.1, 5. 3, 5.2, 3.7 SOLAR RADIATION FOR 1-AXIS TRACKING FIAT-PLATE COLLECTORS WITH A NORTH-SOUTH ANIS (kWh/m2/day), Percentage Uncertainty 9" "Axis Tilt" "Jan" Feb "Mar Apr "May", "Jun" "Jul", "Aug "Sep "Oct", "Nov", "Dec "Year "0 "Average 4.0, 4.9 6.2 7.6 8.1 8.9 9.3 8.5 6.9 5.8 4.2 3.6 6.5 Minimum 2.7 3.6 4.4 6.5 7.0, 7.7, 7.3 7.4 5.3 4.2 6.0 Maximum 5.0 6.0, 7 9.1 9.1, 10.0, 10.8 7, 8.2 6.9, 5.4 4.5 6.9 "Lat 15", "Average 4.8 5.6 6.8 7.9 8.1 8.8 9.3 8.7, 7.4 6.5, 4.9 4.3 6.9 Minimum 3.1 4.1 4.8 6.8 7.0, 7.7, 7.3 7.6, 5.7 4.7, 3.5 3.2 6.4 Maximum 6.1 6.9 8.4 9.5 9.2 9.9, 10.8 9.9, 8.8, 7.8 6.4, 5.5 7.4 Average 5.3, 5.9, 7.0 7.8 7.9, 8.4 8.9, 8.6, 7 6.8 5.3 4.8 7.0 "Lat Minimum 3.3, 4.3 4.8 6.7 6.8 7.3, 7.0, 7.4 5.7 4.9, 3.7 3.4 6.4 Maximum 6.8 7.3 8.6 9.4 8.9 9.5, 10.4 9.8, 8.9 8.2 7.0 6.2 7.5 "Lat 15 Average 5.5, 6.0 6.9, 7.5, 7.4, 7.9 8.4 8.1, 7.3 6.8 5.5 5.1 6.9 Minimum 3.4 4.3 4.7 6.4 6.4 6.8 6.6, 7.1, 5. 6 4.9, 3.8 3.6 6.2 Maximum 7.1, 7.5 8.5 9.1 8.4 8.9 9.8 9.3, 8.7 8.3, 7.3 6.6 7.3

Explanation / Answer

Given area of Solar PV system is

A = 100 m2

Efficiency of Solar PV system = 10 %

Solar PV modules are oriented at latitude angle = 35.40

Average Energy from solar PV system of 100 m2 and efficiecy of 10 % and Average irradiance is per year

Average 5.4 kWh/m2 /day E = 100*0.1*5.4*365 = 19710 kWh

Minimum 5.0 kWh/m2 /day E = 100*0.1*5.0*365 = 18250 kWh

Maximum 5.7 kWh.m2/day E = 100*0.1*5.7 *365 = 20805 kWh

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