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 Solvation Manufacturing

Here are the PSI Ratings for modules from Solvation Manufacturing, 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
1Solvation ManufacturingSM265M-BvPolycrystalline2658.35*88
2Solvation ManufacturingSM315M-AvPolycrystalline3158.30*87
3Solvation ManufacturingSM260M-BvPolycrystalline2608.20*84
4Solvation ManufacturingSM310M-AvPolycrystalline3108.18*83
5Solvation ManufacturingM9X-265Monocrystalline2658.16*82
6Solvation ManufacturingSM255S-BMonocrystalline2558.07*78
7Solvation ManufacturingSM305M-APolycrystalline3058.05*77
8Solvation ManufacturingSM305M-AvPolycrystalline3058.05*77
9Solvation ManufacturingSM255M-BvPolycrystalline2558.05*78
10Solvation ManufacturingSM255M-BPolycrystalline2558.03*77
11Solvation ManufacturingM9X-260Monocrystalline2607.98*74
12Solvation ManufacturingSM300M-APolycrystalline3007.93*72
13Solvation ManufacturingSM250S-BMonocrystalline2507.92*72
14Solvation ManufacturingSM300M-AvPolycrystalline3007.91*71
15Solvation ManufacturingSM250M-BvPolycrystalline2507.89*70
16Solvation ManufacturingSM250M-BPolycrystalline2507.87*69
17Solvation ManufacturingM9X-255Monocrystalline2557.84*68
18Solvation ManufacturingSM295M-APolycrystalline2957.79*65
19Solvation ManufacturingSM295M-AvPolycrystalline2957.78*64
20Solvation ManufacturingSM245S-BMonocrystalline2457.76*63
21Solvation ManufacturingP6Y-250Polycrystalline2507.74*62
22Solvation ManufacturingSM245M-BvPolycrystalline2457.72*61
23Solvation ManufacturingSM245M-BPolycrystalline2457.71*60
24Solvation ManufacturingM9X-250Monocrystalline2507.69*59
25Solvation ManufacturingSM260-5MMonocrystalline2607.68*58
26Solvation ManufacturingSM290M-AvPolycrystalline2907.66*58
27Solvation ManufacturingSM240M-BPolycrystalline2407.62*55
28Solvation ManufacturingP6Y-245Polycrystalline2457.59*53
29Solvation ManufacturingSM290M-APolycrystalline2907.58*53
30Solvation ManufacturingP7Y-290Polycrystalline2907.55*51
31Solvation ManufacturingSM255-5MMonocrystalline2557.54*50
32Solvation ManufacturingSM285M-AvPolycrystalline2857.52*49
33Solvation ManufacturingSM285M-APolycrystalline2857.44*45
34Solvation ManufacturingP6Y-240Polycrystalline2407.43*43
35Solvation ManufacturingP7Y-285Polycrystalline2857.41*42
36Solvation ManufacturingSM250-5MMonocrystalline2507.38*41
37Solvation ManufacturingSM280M-APolycrystalline2807.32*37
38Solvation ManufacturingP6Y-235Polycrystalline2357.28*34
39Solvation ManufacturingP7Y-280Polycrystalline2807.28*35
40Solvation ManufacturingSM245-5MMonocrystalline2457.24*33
41Solvation ManufacturingSM275M-APolycrystalline2757.19*30
42Solvation ManufacturingP7Y-275Polycrystalline2757.15*28
43Solvation ManufacturingP6Y-230Polycrystalline2307.13*27
44Solvation ManufacturingSM240-5MMonocrystalline2407.09*25
45Solvation ManufacturingSM270M-APolycrystalline2707.05*24
46Solvation ManufacturingP7Y-270Polycrystalline2707.02*22

* 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.