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 Inventec Energy

Here are the PSI Ratings for modules from Inventec 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
1Inventec EnergyIECS-6M6C-330Monocrystalline3308.35*88
2Inventec EnergyIECS-6M6A-275Monocrystalline2758.33*87
3Inventec EnergyIECS-6M6C-325Monocrystalline3258.23*84
4Inventec EnergyIECS-6M6A-270Monocrystalline2708.18*83
5Inventec EnergyIECS-6M6C-320Monocrystalline3208.10*80
6Inventec EnergyIECS-6M6C-315Monocrystalline3157.96*74
7Inventec EnergyIECS-6M6A-265Monocrystalline2657.93*72
8Inventec EnergyIECS-6P6A-255Polycrystalline2557.91*71
9Inventec EnergyIECS-6P69-230Polycrystalline2307.88*70
10Inventec EnergyIECS-6P68-205Polycrystalline2057.87*69
11Inventec EnergyIECS-6M6A-260Monocrystalline2607.87*69
12Inventec EnergyIECS-6M6C-310Monocrystalline3107.84*68
13Inventec EnergyIECS-6P6A-250Polycrystalline2507.75*63
14Inventec EnergyIECS-6M6C-305Monocrystalline3057.72*61
15Inventec EnergyIECS-6P69-225Polycrystalline2257.72*61
16Inventec EnergyIECS-6M6A-255Monocrystalline2557.70*60
17Inventec EnergyIECS-6P68-200Polycrystalline2007.67*58
18Inventec EnergyIECS-6M67-175Monocrystalline1757.67*58
19Inventec EnergyIECS-6P67-175Polycrystalline1757.65*57
20Inventec EnergyIECS-6M68-195Monocrystalline1957.62*55
21Inventec EnergyIECS-6M6C-300Monocrystalline3007.60*54
22Inventec EnergyIECS-6P6A-245Polycrystalline2457.58*53
23Inventec EnergyIECS-6M6A-250Monocrystalline2507.55*50
24Inventec EnergyIECS-6P69-220Polycrystalline2207.53*50
25Inventec EnergyIECS-6M6A-245Monocrystalline2457.51*48
26Inventec EnergyIECS-6P6A-240Polycrystalline2407.49*48
27Inventec EnergyIECS-6P6C-300Polycrystalline3007.48*47
28Inventec EnergyIECS-6P68-195Polycrystalline1957.48*47
29Inventec EnergyIECS-6M6C-295Monocrystalline2957.47*46
30Inventec EnergyIECS-6M66-150Monocrystalline1507.45*45
31Inventec EnergyIECS-6M67-170Monocrystalline1707.44*44
32Inventec EnergyIECS-6P6C-285Polycrystalline2857.39*41
33Inventec EnergyIECS-6P69-215Polycrystalline2157.37*39
34Inventec EnergyIECS-6P6C-295Polycrystalline2957.35*38
35Inventec EnergyIECS-6M6A-240Monocrystalline2407.35*38
36Inventec EnergyIECS-6P67-170Polycrystalline1707.34*38
37Inventec EnergyIECS-6M6C-290Monocrystalline2907.34*38
38Inventec EnergyIECS-6P6A-235Polycrystalline2357.33*38
39Inventec EnergyIECS-6M68-190Monocrystalline1907.31*36
40Inventec EnergyIECS-6P68-190Polycrystalline1907.29*35
41Inventec EnergyIECS-6P66-145Polycrystalline1457.29*35
42Inventec EnergyIECS-6P6C-280Polycrystalline2807.26*34
43Inventec EnergyIECS-6P6C-290Polycrystalline2907.23*32
44Inventec EnergyIECS-6M6C-285Monocrystalline2857.22*31
45Inventec EnergyIECS-6M67-165Monocrystalline1657.20*31
46Inventec EnergyIECS-6P69-210Polycrystalline2107.19*30
47Inventec EnergyIECS-6M66-145Monocrystalline1457.19*30
48Inventec EnergyIECS-6M6A-235Monocrystalline2357.19*30
49Inventec EnergyIECS-6P6A-230Polycrystalline2307.17*29
50Inventec EnergyIECS-6P6C-275Polycrystalline2757.12*27
51Inventec EnergyIECS-6M68-185Monocrystalline1857.11*26
52Inventec EnergyIECS-6P67-165Polycrystalline1657.11*26
53Inventec EnergyIECS-6P68-185Polycrystalline1857.10*26
54Inventec EnergyIECS-6P66-140Polycrystalline1407.04*23
55Inventec EnergyIECS-6M6A-230Monocrystalline2307.03*22
56Inventec EnergyIECS-6P69-205Polycrystalline2057.02*22
57Inventec EnergyIECS-6P6A-225Polycrystalline2257.02*22
58Inventec EnergyIECS-6M67-160Monocrystalline1606.95*19
59Inventec EnergyIECS-6M66-140Monocrystalline1406.94*19
60Inventec EnergyIECS-6M69-210Monocrystalline2106.94*19
61Inventec EnergyIECS-6P67-160Polycrystalline1606.90*17
62Inventec EnergyIECS-6M6A-225Monocrystalline2256.89*17
63Inventec EnergyIECS-6M68-180Monocrystalline1806.89*17
64Inventec EnergyIECS-6P6A-220Polycrystalline2206.86*16
65Inventec EnergyIECS-6P69-200Polycrystalline2006.84*16
66Inventec EnergyIECS-6P66-135Polycrystalline1356.79*14
67Inventec EnergyIECS-6M69-205Monocrystalline2056.78*13
68Inventec EnergyIECS-6P67-155Polycrystalline1556.74*12
69Inventec EnergyIECS-6M67-155Monocrystalline1556.74*12
70Inventec EnergyIECS-6M6A-220Monocrystalline2206.74*12
71Inventec EnergyIECS-6M68-175Monocrystalline1756.70*12
72Inventec EnergyIECS-6P68-175Polycrystalline1756.69*11
73Inventec EnergyIECS-6P69-195Polycrystalline1956.68*11
74Inventec EnergyIECS-6M66-135Monocrystalline1356.67*11
75Inventec EnergyIECS-6P66-130Polycrystalline1306.66*11
76Inventec EnergyIECS-6P6A-215Polycrystalline2156.66*11
77Inventec EnergyIECS-6M69-200Monocrystalline2006.61*9
78Inventec EnergyIECS-6M6A-215Monocrystalline2156.59*9
79Inventec EnergyIECS-6M67-150Monocrystalline1506.53*8
80Inventec EnergyIECS-6P67-150Polycrystalline1506.53*8
81Inventec EnergyIECS-6P6A-210Polycrystalline2106.51*8
82Inventec EnergyIECS-6P69-190Polycrystalline1906.51*8
83Inventec EnergyIECS-6M68-170Monocrystalline1706.51*8
84Inventec EnergyIECS-6P68-170Polycrystalline1706.50*8
85Inventec EnergyIECS-6M66-130Monocrystalline1306.42*6
86Inventec EnergyIECS-6P66-125Polycrystalline1256.41*6
87Inventec EnergyIECS-6P68-165Polycrystalline1656.33*5
88Inventec EnergyIECS-6P67-145Polycrystalline1456.31*5

* 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.