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 Solarbest Energy-Tech (Zhejiang)

Here are the PSI Ratings for modules from Solarbest Energy-Tech (Zhejiang), 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
1Solarbest Energy-Tech (Zhejiang)SE-P310(156)Polycrystalline3108.26*85
2Solarbest Energy-Tech (Zhejiang)ZSB-P310(156)Polycrystalline3108.26*85
3Solarbest Energy-Tech (Zhejiang)SE-M205(125)Monocrystalline2058.19*83
4Solarbest Energy-Tech (Zhejiang)ZSB-M205(125)Monocrystalline2058.19*83
5Solarbest Energy-Tech (Zhejiang)SE-P305(156)Polycrystalline3058.12*80
6Solarbest Energy-Tech (Zhejiang)ZSB-P305(156)Polycrystalline3058.12*80
7Solarbest Energy-Tech (Zhejiang)ZSB-P255(156)Polycrystalline2558.05*77
8Solarbest Energy-Tech (Zhejiang)SE-P255(156)Polycrystalline2558.05*77
9Solarbest Energy-Tech (Zhejiang)SE-M305(156)Monocrystalline3058.04*77
10Solarbest Energy-Tech (Zhejiang)ZSB-M305(156)Monocrystalline3058.04*77
11Solarbest Energy-Tech (Zhejiang)ZSB-M255(156)Monocrystalline2558.03*77
12Solarbest Energy-Tech (Zhejiang)SE-M255(156)Monocrystalline2558.03*77
13Solarbest Energy-Tech (Zhejiang)SE-M200(125)Monocrystalline2007.99*75
14Solarbest Energy-Tech (Zhejiang)ZSB-M200(125)Monocrystalline2007.99*75
15Solarbest Energy-Tech (Zhejiang)ZSB-P300(156)Polycrystalline3007.99*75
16Solarbest Energy-Tech (Zhejiang)SE-P300(156)Polycrystalline3007.99*75
17Solarbest Energy-Tech (Zhejiang)SE-M300(156)Monocrystalline3007.90*71
18Solarbest Energy-Tech (Zhejiang)ZSB-M300(156)Monocrystalline3007.90*71
19Solarbest Energy-Tech (Zhejiang)ZSB-P250(156)Polycrystalline2507.89*70
20Solarbest Energy-Tech (Zhejiang)SE-P250(156)Polycrystalline2507.89*70
21Solarbest Energy-Tech (Zhejiang)ZSB-M250(156)Monocrystalline2507.87*69
22Solarbest Energy-Tech (Zhejiang)SE-M250(156)Monocrystalline2507.87*69
23Solarbest Energy-Tech (Zhejiang)SE-P295(156)Polycrystalline2957.86*69
24Solarbest Energy-Tech (Zhejiang)ZSB-P295(156)Polycrystalline2957.86*69
25Solarbest Energy-Tech (Zhejiang)ZSB-M195(125)Monocrystalline1957.80*65
26Solarbest Energy-Tech (Zhejiang)SE-M195(125)Monocrystalline1957.80*65
27Solarbest Energy-Tech (Zhejiang)ZSB-M295(156)Monocrystalline2957.76*63
28Solarbest Energy-Tech (Zhejiang)SE-M295(156)Monocrystalline2957.76*63
29Solarbest Energy-Tech (Zhejiang)SE-P245(156)Polycrystalline2457.74*62
30Solarbest Energy-Tech (Zhejiang)ZSB-P245(156)Polycrystalline2457.74*62
31Solarbest Energy-Tech (Zhejiang)SE-P290(156)Polycrystalline2907.72*61
32Solarbest Energy-Tech (Zhejiang)ZSB-P290(156)Polycrystalline2907.72*61
33Solarbest Energy-Tech (Zhejiang)SE-M245(156)Monocrystalline2457.71*61
34Solarbest Energy-Tech (Zhejiang)ZSB-M245(156)Monocrystalline2457.71*61
35Solarbest Energy-Tech (Zhejiang)SE-M245(125)Monocrystalline2457.65*57
36Solarbest Energy-Tech (Zhejiang)ZSB-M245(125)Monocrystalline2457.65*57
37Solarbest Energy-Tech (Zhejiang)ZSB-M290(156)Monocrystalline2907.63*56
38Solarbest Energy-Tech (Zhejiang)SE-M290(156)Monocrystalline2907.63*56
39Solarbest Energy-Tech (Zhejiang)ZSB-P285(156)Polycrystalline2857.59*53
40Solarbest Energy-Tech (Zhejiang)SE-P285(156)Polycrystalline2857.59*53
41Solarbest Energy-Tech (Zhejiang)ZSB-P240(156)Polycrystalline2407.58*53
42Solarbest Energy-Tech (Zhejiang)SE-P240(156)Polycrystalline2407.58*53
43Solarbest Energy-Tech (Zhejiang)ZSB-M190(125)Monocrystalline1907.58*53
44Solarbest Energy-Tech (Zhejiang)SE-M190(125)Monocrystalline1907.58*53
45Solarbest Energy-Tech (Zhejiang)ZSB-M240(156)Monocrystalline2407.55*51
46Solarbest Energy-Tech (Zhejiang)SE-M240(156)Monocrystalline2407.55*51
47Solarbest Energy-Tech (Zhejiang)ZSB-M285(156)Monocrystalline2857.50*48
48Solarbest Energy-Tech (Zhejiang)SE-M285(156)Monocrystalline2857.50*48
49Solarbest Energy-Tech (Zhejiang)ZSB-M240(125)Monocrystalline2407.49*47
50Solarbest Energy-Tech (Zhejiang)SE-M240(125)Monocrystalline2407.49*47
51Solarbest Energy-Tech (Zhejiang)ZSB-P280(156)Polycrystalline2807.44*44
52Solarbest Energy-Tech (Zhejiang)SE-P280(156)Polycrystalline2807.44*44
53Solarbest Energy-Tech (Zhejiang)SE-P235(156)Polycrystalline2357.43*43
54Solarbest Energy-Tech (Zhejiang)ZSB-P235(156)Polycrystalline2357.43*43
55Solarbest Energy-Tech (Zhejiang)SE-M185(125)Monocrystalline1857.40*41
56Solarbest Energy-Tech (Zhejiang)ZSB-M185(125)Monocrystalline1857.40*41
57Solarbest Energy-Tech (Zhejiang)SE-M235(156)Monocrystalline2357.39*41
58Solarbest Energy-Tech (Zhejiang)ZSB-M235(156)Monocrystalline2357.39*41
59Solarbest Energy-Tech (Zhejiang)SE-M280(156)Monocrystalline2807.38*40
60Solarbest Energy-Tech (Zhejiang)ZSB-M280(156)Monocrystalline2807.38*40
61Solarbest Energy-Tech (Zhejiang)SE-M235(125)Monocrystalline2357.35*39
62Solarbest Energy-Tech (Zhejiang)ZSB-M235(125)Monocrystalline2357.35*39
63Solarbest Energy-Tech (Zhejiang)ZSB-P275(156)Polycrystalline2757.30*36
64Solarbest Energy-Tech (Zhejiang)SE-P275(156)Polycrystalline2757.30*36
65Solarbest Energy-Tech (Zhejiang)ZSB-M275(156)Monocrystalline2757.28*35
66Solarbest Energy-Tech (Zhejiang)SE-M275(156)Monocrystalline2757.28*35
67Solarbest Energy-Tech (Zhejiang)SE-P230(156)Polycrystalline2307.25*33
68Solarbest Energy-Tech (Zhejiang)ZSB-P230(156)Polycrystalline2307.25*33
69Solarbest Energy-Tech (Zhejiang)ZSB-M230(156)Monocrystalline2307.24*33
70Solarbest Energy-Tech (Zhejiang)SE-M230(156)Monocrystalline2307.24*33
71Solarbest Energy-Tech (Zhejiang)ZSB-M180(125)Monocrystalline1807.20*31
72Solarbest Energy-Tech (Zhejiang)SE-M180(125)Monocrystalline1807.20*31
73Solarbest Energy-Tech (Zhejiang)ZSB-P270(156)Polycrystalline2707.17*28
74Solarbest Energy-Tech (Zhejiang)SE-P270(156)Polycrystalline2707.17*28
75Solarbest Energy-Tech (Zhejiang)ZSB-M230(125)Monocrystalline2307.17*29
76Solarbest Energy-Tech (Zhejiang)SE-M230(125)Monocrystalline2307.17*29
77Solarbest Energy-Tech (Zhejiang)SE-M270(156)Monocrystalline2707.14*27
78Solarbest Energy-Tech (Zhejiang)ZSB-M270(156)Monocrystalline2707.14*27
79Solarbest Energy-Tech (Zhejiang)SE-M270(125)Monocrystalline2707.10*26
80Solarbest Energy-Tech (Zhejiang)ZSB-M270(125)Monocrystalline2707.10*26
81Solarbest Energy-Tech (Zhejiang)SE-P225(156)Polycrystalline2257.09*25
82Solarbest Energy-Tech (Zhejiang)ZSB-P225(156)Polycrystalline2257.09*25
83Solarbest Energy-Tech (Zhejiang)ZSB-M225(156)Monocrystalline2257.08*25
84Solarbest Energy-Tech (Zhejiang)SE-M225(156)Monocrystalline2257.08*25
85Solarbest Energy-Tech (Zhejiang)ZSB-P265(156)Polycrystalline2657.04*23
86Solarbest Energy-Tech (Zhejiang)SE-P265(156)Polycrystalline2657.04*23
87Solarbest Energy-Tech (Zhejiang)SE-M265(156)Monocrystalline2657.02*22
88Solarbest Energy-Tech (Zhejiang)ZSB-M265(156)Monocrystalline2657.02*22
89Solarbest Energy-Tech (Zhejiang)SE-M225(125)Monocrystalline2257.01*22
90Solarbest Energy-Tech (Zhejiang)ZSB-M225(125)Monocrystalline2257.01*22
91Solarbest Energy-Tech (Zhejiang)ZSB-M175(125)Monocrystalline1757.00*21
92Solarbest Energy-Tech (Zhejiang)SE-M175(125)Monocrystalline1757.00*21
93Solarbest Energy-Tech (Zhejiang)ZSB-M265(125)Monocrystalline2656.97*20
94Solarbest Energy-Tech (Zhejiang)SE-M265(125)Monocrystalline2656.97*20
95Solarbest Energy-Tech (Zhejiang)SE-P220(156)Polycrystalline2206.94*19
96Solarbest Energy-Tech (Zhejiang)ZSB-P220(156)Polycrystalline2206.94*19
97Solarbest Energy-Tech (Zhejiang)SE-M220(156)Monocrystalline2206.92*18
98Solarbest Energy-Tech (Zhejiang)ZSB-M220(156)Monocrystalline2206.92*18
99Solarbest Energy-Tech (Zhejiang)SE-P260(156)Polycrystalline2606.91*18
100Solarbest Energy-Tech (Zhejiang)ZSB-P260(156)Polycrystalline2606.91*18
101Solarbest Energy-Tech (Zhejiang)ZSB-M260(156)Monocrystalline2606.88*17
102Solarbest Energy-Tech (Zhejiang)SE-M260(156)Monocrystalline2606.88*17
103Solarbest Energy-Tech (Zhejiang)ZSB-M220(125)Monocrystalline2206.85*16
104Solarbest Energy-Tech (Zhejiang)SE-M220(125)Monocrystalline2206.85*16
105Solarbest Energy-Tech (Zhejiang)ZSB-M260(125)Monocrystalline2606.84*16
106Solarbest Energy-Tech (Zhejiang)SE-M260(125)Monocrystalline2606.84*16
107Solarbest Energy-Tech (Zhejiang)SE-M170(125)Monocrystalline1706.79*14
108Solarbest Energy-Tech (Zhejiang)ZSB-M170(125)Monocrystalline1706.79*14
109Solarbest Energy-Tech (Zhejiang)ZSB-M255(125)Monocrystalline2556.71*12
110Solarbest Energy-Tech (Zhejiang)SE-M255(125)Monocrystalline2556.71*12
111Solarbest Energy-Tech (Zhejiang)SE-M250(125)Monocrystalline2506.59*9
112Solarbest Energy-Tech (Zhejiang)ZSB-M250(125)Monocrystalline2506.59*9

* 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.