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 Kenmec Mechanical Engineering

Here are the PSI Ratings for modules from Kenmec Mechanical Engineering, 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
1Kenmec Mechanical EngineeringTKSG-31501Polycrystalline3159.15*97
2Kenmec Mechanical EngineeringTKSG-31001Polycrystalline3108.92*96
3Kenmec Mechanical EngineeringTKSG-30501Polycrystalline3058.84*95
4Kenmec Mechanical EngineeringTKSG-30001Polycrystalline3008.74*94
5Kenmec Mechanical EngineeringTKSG-29501Polycrystalline2958.61*93
6Kenmec Mechanical EngineeringTKSG-29001Polycrystalline2908.52*91
7Kenmec Mechanical EngineeringTKSG-28501Polycrystalline2858.29*86
8Kenmec Mechanical EngineeringTKSA-26001Polycrystalline2608.16*82
9Kenmec Mechanical EngineeringTKSG-28001Polycrystalline2808.15*82
10Kenmec Mechanical EngineeringTKSA-25501Polycrystalline2558.06*78
11Kenmec Mechanical EngineeringTKSG-27501Polycrystalline2758.05*77
12Kenmec Mechanical EngineeringTKSG-27001Polycrystalline2707.91*71
13Kenmec Mechanical EngineeringTKSA-25001Polycrystalline2507.89*70
14Kenmec Mechanical EngineeringTKSG-26501Polycrystalline2657.82*66
15Kenmec Mechanical EngineeringTKSA-24501Polycrystalline2457.63*55
16Kenmec Mechanical EngineeringTKSB-22001Polycrystalline2207.63*56
17Kenmec Mechanical EngineeringTKSG-26001Polycrystalline2607.60*54
18Kenmec Mechanical EngineeringTKSG-25501Polycrystalline2557.56*51
19Kenmec Mechanical EngineeringTKSA-24001Polycrystalline2407.52*49
20Kenmec Mechanical EngineeringTKSD-17001Polycrystalline1707.49*47
21Kenmec Mechanical EngineeringTKSC-19501Polycrystalline1957.48*47
22Kenmec Mechanical EngineeringTKSE-14501Polycrystalline1457.43*44
23Kenmec Mechanical EngineeringTKSB-21501Polycrystalline2157.38*40
24Kenmec Mechanical EngineeringTKSG-25001Polycrystalline2507.37*40
25Kenmec Mechanical EngineeringTKSA-23501Polycrystalline2357.36*39
26Kenmec Mechanical EngineeringTKSD-16501Polycrystalline1657.30*36
27Kenmec Mechanical EngineeringTKSC-19001Polycrystalline1907.28*35
28Kenmec Mechanical EngineeringTKSA-23001Polycrystalline2307.20*31
29Kenmec Mechanical EngineeringTKSB-21001Polycrystalline2107.20*30
30Kenmec Mechanical EngineeringTKSE-14001Polycrystalline1407.17*29
31Kenmec Mechanical EngineeringTKSC-18501Polycrystalline1857.09*25
32Kenmec Mechanical EngineeringTKSD-16001Polycrystalline1607.07*24
33Kenmec Mechanical EngineeringTKSA-22501Polycrystalline2257.06*24
34Kenmec Mechanical EngineeringTKSB-20501Polycrystalline2057.03*22
35Kenmec Mechanical EngineeringTKSC-18001Polycrystalline1807.00*22
36Kenmec Mechanical EngineeringTKSA-22001Polycrystalline2206.89*17
37Kenmec Mechanical EngineeringTKSB-20001Polycrystalline2006.87*16
38Kenmec Mechanical EngineeringTKSE-13501Polycrystalline1356.82*15
39Kenmec Mechanical EngineeringTKSC-17501Polycrystalline1756.78*13
40Kenmec Mechanical EngineeringTKSD-15501Polycrystalline1556.76*13
41Kenmec Mechanical EngineeringTKSE-13001Polycrystalline1306.57*9
42Kenmec Mechanical EngineeringTKSD-15001Polycrystalline1506.53*8
43Kenmec Mechanical EngineeringTKSC-17001Polycrystalline1706.30*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.