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 HHV Solar Technologies

Here are the PSI Ratings for modules from HHV Solar Technologies, 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
1HHV Solar TechnologiesHSTUAF12220MMonocrystalline2207.78*64
2HHV Solar TechnologiesHSTUAF12195MMonocrystalline1957.68*58
3HHV Solar TechnologiesHSTUAF24295MMonocrystalline2957.63*56
4HHV Solar TechnologiesHSTUBF12210PPolycrystalline2107.61*54
5HHV Solar TechnologiesHSTUAF24245MMonocrystalline2457.60*54
6HHV Solar TechnologiesHSTUBF24235PPolycrystalline2357.52*49
7HHV Solar TechnologiesHSTUBF12185PPolycrystalline1857.50*48
8HHV Solar TechnologiesHSTUAF24290MMonocrystalline2907.50*48
9HHV Solar TechnologiesHSTUAF24280MMonocrystalline2807.47*46
10HHV Solar TechnologiesHSTUAF24240MMonocrystalline2407.45*45
11HHV Solar TechnologiesHSTUCF24280PPolycrystalline2807.45*45
12HHV Solar TechnologiesHSTUBF24280PPolycrystalline2807.45*45
13HHV Solar TechnologiesHSTUBF12205PPolycrystalline2057.44*44
14HHV Solar TechnologiesHSTUCF24235PPolycrystalline2357.43*43
15HHV Solar TechnologiesHSTUAF12210MMonocrystalline2107.42*43
16HHV Solar TechnologiesHSTUAF12215MMonocrystalline2157.41*42
17HHV Solar TechnologiesHSTUAF24285MMonocrystalline2857.38*40
18HHV Solar TechnologiesHSTUAF12145MMonocrystalline1457.36*39
19HHV Solar TechnologiesHSTUBF24230PPolycrystalline2307.36*39
20HHV Solar TechnologiesHSTUAF24275MMonocrystalline2757.32*37
21HHV Solar TechnologiesHSTUCF24275PPolycrystalline2757.31*36
22HHV Solar TechnologiesHSTUBF24275PPolycrystalline2757.31*36
23HHV Solar TechnologiesHSTUAF24235MMonocrystalline2357.29*35
24HHV Solar TechnologiesHSTUAF12185MMonocrystalline1857.28*35
25HHV Solar TechnologiesHSTUAF12190MMonocrystalline1907.28*35
26HHV Solar TechnologiesHSTUCF24230PPolycrystalline2307.27*34
27HHV Solar TechnologiesHSTUAF12205MMonocrystalline2057.25*33
28HHV Solar TechnologiesHSTUBF12140PPolycrystalline1407.22*32
29HHV Solar TechnologiesHSTUAF24270MMonocrystalline2707.20*30
30HHV Solar TechnologiesHSTUCF24270PPolycrystalline2707.19*30
31HHV Solar TechnologiesHSTUBF24270PPolycrystalline2707.19*30
32HHV Solar TechnologiesHSTUBF24225PPolycrystalline2257.19*30
33HHV Solar TechnologiesHSTUAF24230MMonocrystalline2307.13*27
34HHV Solar TechnologiesHSTUCF24225PPolycrystalline2257.12*27
35HHV Solar TechnologiesHSTUBF12175PPolycrystalline1757.11*26
36HHV Solar TechnologiesHSTUAF12140MMonocrystalline1407.10*26
37HHV Solar TechnologiesHSTUAF12180MMonocrystalline1807.08*25
38HHV Solar TechnologiesHSTUBF12180PPolycrystalline1807.07*24
39HHV Solar TechnologiesHSTUAF24265MMonocrystalline2657.06*24
40HHV Solar TechnologiesHSTUBF12195PPolycrystalline1957.06*24
41HHV Solar TechnologiesHSTUBF24265PPolycrystalline2657.05*23
42HHV Solar TechnologiesHSTUCF24265PPolycrystalline2657.05*23
43HHV Solar TechnologiesHSTUBF12200PPolycrystalline2007.04*23
44HHV Solar TechnologiesHSTUBF24220PPolycrystalline2207.04*23
45HHV Solar TechnologiesHSTUAF24225MMonocrystalline2257.01*22
46HHV Solar TechnologiesHSTUCF24220PPolycrystalline2206.96*19
47HHV Solar TechnologiesHSTUBF12135PPolycrystalline1356.96*20
48HHV Solar TechnologiesHSTUAF24260MMonocrystalline2606.92*18
49HHV Solar TechnologiesHSTUCF24260PPolycrystalline2606.92*18
50HHV Solar TechnologiesHSTUBF24260PPolycrystalline2606.91*18
51HHV Solar TechnologiesHSTUBF24215PPolycrystalline2156.88*17
52HHV Solar TechnologiesHSTUBF12190PPolycrystalline1906.88*17
53HHV Solar TechnologiesHSTUAF12135MMonocrystalline1356.86*16
54HHV Solar TechnologiesHSTUBC12105PPolycrystalline1056.86*16
55HHV Solar TechnologiesHSTUCF24215PPolycrystalline2156.80*14
56HHV Solar TechnologiesHSTUBF12130PPolycrystalline1306.72*12
57HHV Solar TechnologiesHSTUBC12100PPolycrystalline1006.54*8
58HHV Solar TechnologiesHSTUBC12095PPolycrystalline956.24*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.