Principal Solar Institute

A community for development and installation professionals in the solar industry

The Principal Solar Institute Module Ratings

The Principal Solar Institute’s scientifically designed and certified combination of tests and performance standards provide an unbiased, comprehensive rating system – the PSI PV module rating. Seven essential characteristics related to initial and long-term PV module performance are combined to create the PSI Rating:

  • Actual Tested Maximum Power vs. Advertised
  • Temperature Coefficient at Maximum Power
  • Power at Low Irradiance to Power at High Irradiance Ratio
  • Normal Operating Cell Temperature (NOCT)
  • Total Area Efficiency
  • Negative Power Tolerance
  • Annual Power Reduction

These ratings allow you to make comparisons when analyzing PV modules and help you select the optimal PV module.

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PSI Ratings – PV Solar Modules from Solartech Energy

Here are the PSI Ratings for modules from Solartech Energy, calculated based on initial performance test data. If you don’t see a solar module that you are considering, contact us and we will try to add it.

Rank Manufacturer Model Type Power
(W DC)
PSI Rating Percentile
1Solartech EnergyASC-6M-72-335-3BBMonocrystalline3358.87*96
2Solartech EnergyASC-6M-72B-335-3BBMonocrystalline3358.87*96
3Solartech EnergyASC-6M-72C-335-3BBMonocrystalline3358.87*95
4Solartech EnergyASC-6M-72C-330-3BBMonocrystalline3308.72*94
5Solartech EnergyASC-6M-72-330-3BBMonocrystalline3308.72*94
6Solartech EnergyASC-6M-72B-330-3BBMonocrystalline3308.72*94
7Solartech EnergyASC-6M-60-275-3BBMonocrystalline2758.65*93
8Solartech EnergyASC-6M-60A-275-3BBMonocrystalline2758.65*93
9Solartech EnergyASC-6P-72C-330-3BBPolycrystalline3308.63*93
10Solartech EnergyASC-6P-72B-330-3BBPolycrystalline3308.63*93
11Solartech EnergyASC-6P-72-330-3BBPolycrystalline3308.63*93
12Solartech EnergyASC-6M-72C-325-3BBMonocrystalline3258.58*92
13Solartech EnergyASC-6M-72-325-3BBMonocrystalline3258.58*92
14Solartech EnergyASC-6M-72B-325-3BBMonocrystalline3258.58*92
15Solartech EnergyASC-6P-72-325-3BBPolycrystalline3258.51*91
16Solartech EnergyASC-6P-72C-325-3BBPolycrystalline3258.51*91
17Solartech EnergyASC-6P-72B-325-3BBPolycrystalline3258.51*91
18Solartech EnergyASC-6M-60-270-3BBMonocrystalline2708.49*91
19Solartech EnergyASC-6M-60A-270-3BBMonocrystalline2708.49*91
20Solartech EnergyASC-6M-72C-320-3BBMonocrystalline3208.46*90
21Solartech EnergyASC-6M-72B-320-3BBMonocrystalline3208.46*90
22Solartech EnergyASC-6M-72-320-3BBMonocrystalline3208.46*90
23Solartech EnergyASC-6P-60-270-3BBPolycrystalline2708.39*89
24Solartech EnergyASC-6P-60A-270-3BBPolycrystalline2708.39*89
25Solartech EnergyASC-6P-72B-320-3BBPolycrystalline3208.38*88
26Solartech EnergyASC-6P-72-320-3BBPolycrystalline3208.38*88
27Solartech EnergyASC-6P-72C-320-3BBPolycrystalline3208.38*88
28Solartech EnergyASC-6M-72-315-3BBMonocrystalline3158.33*87
29Solartech EnergyASC-6M-60A-265-3BBMonocrystalline2658.33*87
30Solartech EnergyASC-6M-60-265-3BBMonocrystalline2658.33*88
31Solartech EnergyASC-6P-72C-315-3BBPolycrystalline3158.24*85
32Solartech EnergyASC-6P-72-315-3BBPolycrystalline3158.24*85
33Solartech EnergyASC-6P-72B-315-3BBPolycrystalline3158.24*85
34Solartech EnergyASC-6P-60-265-3BBPolycrystalline2658.24*85
35Solartech EnergyASC-6P-60A-265-3BBPolycrystalline2658.24*85
36Solartech EnergyASC-6M-72-310-3BBMonocrystalline3108.21*84
37Solartech EnergyASC-6M-60-260-3BBMonocrystalline2608.18*83
38Solartech EnergyASC-6P-72B-310-3BBPolycrystalline3108.11*80
39Solartech EnergyASC-6P-72-310-3BBPolycrystalline3108.11*80
40Solartech EnergyASC-6P-72C-310-3BBPolycrystalline3108.11*80
41Solartech EnergyASC-6P-60A-260-3BBPolycrystalline2608.08*79
42Solartech EnergyASC-6P-60-260-3BBPolycrystalline2608.08*79
43Solartech EnergyASC-6M-72-305-3BBMonocrystalline3058.06*78
44Solartech EnergyASC-6M-60-255-3BBMonocrystalline2558.00*76
45Solartech EnergyASC-6P-72B-305-3BBPolycrystalline3057.98*74
46Solartech EnergyASC-6P-72-305-3BBPolycrystalline3057.98*74
47Solartech EnergyASC-6P-72-305Polycrystalline3057.98*74
48Solartech EnergyASC-6P-72C-305-3BBPolycrystalline3057.98*74
49Solartech EnergyASC-6M-72-300-3BBMonocrystalline3007.93*72
50Solartech EnergyASC-6P-60-255-3BBPolycrystalline2557.93*72
51Solartech EnergyASC-6P-60-255Polycrystalline2557.93*72
52Solartech EnergyASC-6P-60A-255-3BBPolycrystalline2557.93*72
53Solartech EnergyASC-6M-60-250-3BBMonocrystalline2507.86*69
54Solartech EnergyASC-6P-72-300Polycrystalline3007.85*68
55Solartech EnergyASC-6P-72-300-3BBPolycrystalline3007.85*68
56Solartech EnergyASC-6M-72-295-3BBMonocrystalline2957.80*65
57Solartech EnergyASC-6P-60-250-3BBPolycrystalline2507.79*64
58Solartech EnergyASC-6P-60-250Polycrystalline2507.79*64
59Solartech EnergyASC-6P-54-230Polycrystalline2307.78*64
60Solartech EnergyASC-6P-72-295-3BBPolycrystalline2957.69*59
61Solartech EnergyASC-6P-72-295Polycrystalline2957.69*59
62Solartech EnergyASC-6M-60-245-3BBMonocrystalline2457.69*59
63Solartech EnergyASC-6M-72-290-3BBMonocrystalline2907.66*57
64Solartech EnergyASC-6P-60-245-3BBPolycrystalline2457.63*56
65Solartech EnergyASC-6P-60-245Polycrystalline2457.63*55
66Solartech EnergySEC-6P-60-245Polycrystalline2457.63*56
67Solartech EnergyASC-6P-54-225Polycrystalline2257.61*54
68Solartech EnergyASC-6P-72-290Polycrystalline2907.59*53
69Solartech EnergyASC-6P-72-290-3BBPolycrystalline2907.59*53
70Solartech EnergyASC-6P-48-200Polycrystalline2007.58*53
71Solartech EnergyASC-6M-60-240-3BBMonocrystalline2407.54*50
72Solartech EnergyASC-6M-72-285-3BBMonocrystalline2857.53*50
73Solartech EnergySEC-6P-60-240Polycrystalline2407.47*46
74Solartech EnergyASC-6P-60-240-3BBPolycrystalline2407.47*46
75Solartech EnergyASC-6P-60-240Polycrystalline2407.47*46
76Solartech EnergyASC-6P-72-285Polycrystalline2857.46*45
77Solartech EnergyASC-6P-72-285-3BBPolycrystalline2857.46*45
78Solartech EnergyASC-6P-36-150Polycrystalline1507.45*45
79Solartech EnergyASC-6P-54-220Polycrystalline2207.44*44
80Solartech EnergyASC-6P-48-195Polycrystalline1957.38*40
81Solartech EnergyASC-6M-60-235-3BBMonocrystalline2357.37*40
82Solartech EnergyASC-6P-72-280Polycrystalline2807.33*37
83Solartech EnergyASC-6P-72-280-3BBPolycrystalline2807.33*37
84Solartech EnergySEC-6P-60-235Polycrystalline2357.32*37
85Solartech EnergyASC-6P-60-235Polycrystalline2357.32*37
86Solartech EnergyASC-6P-60-235-3BBPolycrystalline2357.32*37
87Solartech EnergyASC-6P-54-215Polycrystalline2157.27*34
88Solartech EnergySEC-230W-M6-GPolycrystalline2307.23*32
89Solartech EnergyASC-6M-60-230-3BBMonocrystalline2307.22*32
90Solartech EnergyASC-6P-36-145Polycrystalline1457.20*30
91Solartech EnergyASC-6P-48-190Polycrystalline1907.19*30
92Solartech EnergySEC-6P-60-230Polycrystalline2307.16*28
93Solartech EnergyASC-6P-60-230Polycrystalline2307.15*28
94Solartech EnergyASC-6P-60-230-3BBPolycrystalline2307.15*28
95Solartech EnergyASC-6P-54-210Polycrystalline2107.09*25
96Solartech EnergySEC-225W-M6-GPolycrystalline2257.07*24
97Solartech EnergyASC-6P-72-275Polycrystalline2757.07*24
98Solartech EnergyASC-6P-60-225-3BBPolycrystalline2257.00*21
99Solartech EnergySEC-6P-60-225Polycrystalline2257.00*22
100Solartech EnergyASC-6P-60-225Polycrystalline2257.00*21
101Solartech EnergyASC-6P-48-185Polycrystalline1856.97*20
102Solartech EnergyASC-6P-36-140Polycrystalline1406.95*19
103Solartech EnergyASC-6P-72-270Polycrystalline2706.94*18
104Solartech EnergyASC-6P-54-205Polycrystalline2056.92*18
105Solartech EnergySEC-220W-M6-GPolycrystalline2206.91*18
106Solartech EnergySEC-6P-60-220Polycrystalline2206.85*16
107Solartech EnergyASC-6P-60-220Polycrystalline2206.84*16
108Solartech EnergyASC-6P-72-265Polycrystalline2656.82*15
109Solartech EnergyASC-6P-48-180Polycrystalline1806.78*14
110Solartech EnergyASC-6P-54-200Polycrystalline2006.75*13
111Solartech EnergySEC-215W-M6-GPolycrystalline2156.75*13
112Solartech EnergyASC-6P-36-135Polycrystalline1356.69*11
113Solartech EnergySEC-210W-M6-GPolycrystalline2106.61*9
114Solartech EnergyASC-6P-48-175Polycrystalline1756.59*9
115Solartech EnergyASC-6P-36-130Polycrystalline1306.44*7

* Modules denoted with an “*” use estimated values for one or more characteristics. Manufacturers can contact us to provide the missing data for these PV modules.

NOTE: PSI Ratings are based on publicly available data, and are subject to change as additional data and proprietary analyses become available for long-term performance.