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 LG Electronics

Here are the PSI Ratings for modules from LG Electronics, 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
1LG ElectronicsLG325N1C-G4Monocrystalline32510.56*100
2LG ElectronicsLG325N1W-G4Monocrystalline32510.56*100
3LG ElectronicsLG320N1C-G4Monocrystalline32010.39*100
4LG ElectronicsLG320N1W-G4Monocrystalline32010.39*100
5LG ElectronicsLG315N1C-G4Monocrystalline31510.24*99
6LG ElectronicsLG315N1W-G4Monocrystalline31510.24*99
7LG ElectronicsLG315N1K-G4Monocrystalline31510.22*99
8LG ElectronicsLG375N2C-B3Monocrystalline37510.21*99
9LG ElectronicsLG375N2W-B3Monocrystalline37510.21*99
10LG ElectronicsLG310N1C-G4Monocrystalline31010.07*99
11LG ElectronicsLG310N1W-G4Monocrystalline31010.07*99
12LG ElectronicsLG370N2W-B3Monocrystalline37010.07*99
13LG ElectronicsLG370N2C-B3Monocrystalline37010.07*99
14LG ElectronicsLG310N1K-G4Monocrystalline31010.05*99
15LG ElectronicsLG310N1C-B3Monocrystalline31010.04*99
16LG ElectronicsLG310N1W-B3Monocrystalline31010.04*99
17LG ElectronicsLG365N2C-B3Monocrystalline3659.93*99
18LG ElectronicsLG365N2W-B3Monocrystalline3659.93*99
19LG ElectronicsLG305N1K-G4Monocrystalline3059.90*99
20LG ElectronicsLG305N1W-G4Monocrystalline3059.90*99
21LG ElectronicsLG305N1C-G4Monocrystalline3059.90*99
22LG ElectronicsLG305N1C-B3Monocrystalline3059.88*99
23LG ElectronicsLG305A1W-B3Monocrystalline3059.88*99
24LG ElectronicsLG305A1C-B3Monocrystalline3059.88*99
25LG ElectronicsLG305N1W-B3Monocrystalline3059.88*99
26LG ElectronicsLG300N1C-A3Monocrystalline3009.82*99
27LG ElectronicsLG300N1W-A3Monocrystalline3009.82*99
28LG ElectronicsLG360N2C-B3Monocrystalline3609.81*99
29LG ElectronicsLG300N1W-G3Monocrystalline3009.81*99
30LG ElectronicsLG360N2W-B3Monocrystalline3609.81*99
31LG ElectronicsLG300N1C-G3Monocrystalline3009.81*99
32LG ElectronicsLG300N1W-G4Monocrystalline3009.76*99
33LG ElectronicsLG300N1K-G4Monocrystalline3009.76*99
34LG ElectronicsLG300N1C-G4Monocrystalline3009.76*99
35LG ElectronicsLG300A1W-B3Monocrystalline3009.73*99
36LG ElectronicsLG300A1C-B3Monocrystalline3009.73*99
37LG ElectronicsLG300N1W-B3Monocrystalline3009.73*99
38LG ElectronicsLG300N1C-B3Monocrystalline3009.73*99
39LG ElectronicsLG355N2W-B3Monocrystalline3559.66*98
40LG ElectronicsLG355N2C-B3Monocrystalline3559.66*98
41LG ElectronicsLG295N1W-A3Monocrystalline2959.64*98
42LG ElectronicsLG295N1C-A3Monocrystalline2959.64*98
43LG ElectronicsLG295N1W-G3Monocrystalline2959.63*98
44LG ElectronicsLG295N1C-G3Monocrystalline2959.63*98
45LG ElectronicsLG295N1K-G4Monocrystalline2959.59*98
46LG ElectronicsLG295N1K-B3Monocrystalline2959.58*98
47LG ElectronicsLG295N1C-G4Monocrystalline2959.58*98
48LG ElectronicsLG295N1W-G4Monocrystalline2959.58*98
49LG ElectronicsLG295A1W-B3Monocrystalline2959.55*98
50LG ElectronicsLG295A1C-B3Monocrystalline2959.55*98
51LG ElectronicsLG295N1W-B3Monocrystalline2959.54*98
52LG ElectronicsLG295N1C-B3Monocrystalline2959.54*98
53LG ElectronicsLG350N2W-B3Monocrystalline3509.53*98
54LG ElectronicsLG350N2C-B3Monocrystalline3509.53*98
55LG ElectronicsLG295N1K-A3Monocrystalline2959.53*98
56LG ElectronicsLG290N1W-A3Monocrystalline2909.50*98
57LG ElectronicsLG290N1C-A3Monocrystalline2909.50*98
58LG ElectronicsLG290N1W-G3Monocrystalline2909.47*98
59LG ElectronicsLG290N1C-G3Monocrystalline2909.47*98
60LG ElectronicsLG295S1W-G4Monocrystalline2959.46*98
61LG ElectronicsLG295S1C-G4Monocrystalline2959.46*98
62LG ElectronicsLG290N1K-B3Monocrystalline2909.41*98
63LG ElectronicsLG290N1C-B3Monocrystalline2909.41*98
64LG ElectronicsLG290N1W-B3Monocrystalline2909.41*98
65LG ElectronicsLG290N1K-A3Monocrystalline2909.39*98
66LG ElectronicsLG285N1W-G3Monocrystalline2859.31*98
67LG ElectronicsLG285N1C-G3Monocrystalline2859.31*98
68LG ElectronicsLG290S1W-G4Monocrystalline2909.30*98
69LG ElectronicsLG290S1C-G4Monocrystalline2909.30*98
70LG ElectronicsLG285N1C-A3Monocrystalline2859.30*98
71LG ElectronicsLG285N1W-A3Monocrystalline2859.30*98
72LG ElectronicsLG285N1W-B3Monocrystalline2859.23*97
73LG ElectronicsLG285N1C-B3Monocrystalline2859.23*97
74LG ElectronicsLG285N1K-A3Monocrystalline2859.22*97
75LG ElectronicsLG280N1C-G3Monocrystalline2809.16*97
76LG ElectronicsLG280N1W-G3Monocrystalline2809.16*97
77LG ElectronicsLG285S1W-G4Monocrystalline2859.14*97
78LG ElectronicsLG285S1C-G4Monocrystalline2859.14*97
79LG ElectronicsLG285N1K-B3Monocrystalline2859.10*97
80LG ElectronicsLG280N1K-A3Monocrystalline2809.08*97
81LG ElectronicsLG280S1W-B3Monocrystalline2809.06*97
82LG ElectronicsLG280S1C-B3Monocrystalline2809.06*97
83LG ElectronicsLG280S1W-G4Monocrystalline2808.98*96
84LG ElectronicsLG280S1C-G4Monocrystalline2808.98*96
85LG ElectronicsLG275S1W-B3Monocrystalline2758.97*96
86LG ElectronicsLG275S1C-B3Monocrystalline2758.97*96
87LG ElectronicsLG280N1K-B3Monocrystalline2808.95*96
88LG ElectronicsLG275N1K-A3Monocrystalline2758.89*96
89LG ElectronicsLG275S1W-G4Monocrystalline2758.82*95
90LG ElectronicsLG275S1C-G4Monocrystalline2758.82*95
91LG ElectronicsLG270S1C-B3Monocrystalline2708.81*95
92LG ElectronicsLG270S1W-B3Monocrystalline2708.81*95
93LG ElectronicsLG275N1K-B3Monocrystalline2758.79*95
94LG ElectronicsLG275N1W-G3Monocrystalline2758.78*95
95LG ElectronicsLG275N1C-G3Monocrystalline2758.78*95
96LG ElectronicsLG275S1K-B3Monocrystalline2758.75*94
97LG ElectronicsLG270S1C-G3Monocrystalline2708.72*94
98LG ElectronicsLG270S1W-G3Monocrystalline2708.72*94
99LG ElectronicsLG270S1W-A3Monocrystalline2708.71*94
100LG ElectronicsLG270S1C-A3Monocrystalline2708.71*94
101LG ElectronicsLG270S1W-G4Monocrystalline2708.66*93
102LG ElectronicsLG270S1C-G4Monocrystalline2708.66*93
103LG ElectronicsLG265S1W-B3Monocrystalline2658.66*94
104LG ElectronicsLG265S1C-B3Monocrystalline2658.66*93
105LG ElectronicsLG270N1C-G3Monocrystalline2708.63*93
106LG ElectronicsLG270N1W-G3Monocrystalline2708.63*93
107LG ElectronicsLG270S1K-B3Monocrystalline2708.58*92
108LG ElectronicsLG265S1K-B3Monocrystalline2658.58*92
109LG ElectronicsLG265S1C-A3Monocrystalline2658.55*92
110LG ElectronicsLG265S1W-A3Monocrystalline2658.55*92
111LG ElectronicsLG265S1C-G3Monocrystalline2658.55*92
112LG ElectronicsLG265S1W-G3Monocrystalline2658.55*92
113LG ElectronicsLG260S1C-B3Monocrystalline2608.50*91
114LG ElectronicsLG260S1W-B3Monocrystalline2608.50*91
115LG ElectronicsLG265S1K-A3Monocrystalline2658.49*91
116LG ElectronicsLG260S1K-B3Monocrystalline2608.42*89
117LG ElectronicsLG260S1C-G3Monocrystalline2608.39*89
118LG ElectronicsLG260S1W-G3Monocrystalline2608.39*89
119LG ElectronicsLG260S1C-A3Monocrystalline2608.38*88
120LG ElectronicsLG260S1W-A3Monocrystalline2608.38*88
121LG ElectronicsLG260S1C-G2Monocrystalline2608.36*88
122LG ElectronicsLG255S1C-B3Monocrystalline2558.33*87
123LG ElectronicsLG255S1W-B3Monocrystalline2558.33*87
124LG ElectronicsLG260S1K-A3Monocrystalline2608.33*87
125LG ElectronicsLG255S1K-B3Monocrystalline2558.26*85
126LG ElectronicsLG255S1C-A3Monocrystalline2558.21*84
127LG ElectronicsLG255S1W-A3Monocrystalline2558.21*84
128LG ElectronicsLG255S1C-G2Monocrystalline2558.20*83
129LG ElectronicsLG255S1C-G3Monocrystalline2558.17*82
130LG ElectronicsLG255S1K-A3Monocrystalline2558.17*82
131LG ElectronicsLG260S1W-G2Monocrystalline2608.14*81
132LG ElectronicsLG260S1K-G3Monocrystalline2608.12*80
133LG ElectronicsLG250S1K-B3Monocrystalline2508.11*80
134LG ElectronicsLG250S1C-G2Monocrystalline2508.04*77
135LG ElectronicsLG250S1K-A3Monocrystalline2508.00*75
136LG ElectronicsLG250S1C-G3Monocrystalline2508.00*76
137LG ElectronicsLG255S1K-G3Monocrystalline2557.96*74
138LG ElectronicsLG245S1C-G2Monocrystalline2457.88*70
139LG ElectronicsLG245S1C-G3Monocrystalline2457.85*68
140LG ElectronicsLG250S1K-G3Monocrystalline2507.81*66
141LG ElectronicsLG240M1C-G2Monocrystalline2407.76*63
142LG ElectronicsLG240S1C-G2Monocrystalline2407.74*62
143LG ElectronicsLG245S1K-G3Monocrystalline2457.66*57
144LG ElectronicsLG245M1C-G2Monocrystalline2457.60*54
145LG ElectronicsLG245M1W-G2Monocrystalline2457.60*54
146LG ElectronicsLG235M1C-G2Monocrystalline2357.58*53
147LG ElectronicsLG230P1C-G2Polycrystalline2307.57*52
148LG ElectronicsLG240S1K-G3Monocrystalline2407.49*48
149LG ElectronicsLG240R1C-G2Polycrystalline2407.48*47
150LG ElectronicsLG240R1W-G2Polycrystalline2407.48*47
151LG ElectronicsLG230M1C-G2Monocrystalline2307.43*44
152LG ElectronicsLG225P1C-G2Polycrystalline2257.39*41
153LG ElectronicsLG235R1W-G2Polycrystalline2357.31*36
154LG ElectronicsLG235R1C-G2Polycrystalline2357.31*36
155LG ElectronicsLG225M1C-G2Monocrystalline2257.28*35
156LG ElectronicsLG220P1C-G2Polycrystalline2207.24*33
157LG ElectronicsLG230P1W-G1Polycrystalline2307.19*30
158LG ElectronicsLG230R1W-G2Polycrystalline2307.17*29
159LG ElectronicsLG230R1C-G2Polycrystalline2307.17*29
160LG ElectronicsLG220M1C-G2Monocrystalline2207.10*25
161LG ElectronicsLG215P1C-G2Polycrystalline2157.08*25
162LG ElectronicsLG225P1W-G1Polycrystalline2257.03*22
163LG ElectronicsLG235P1WPolycrystalline2357.00*21
164LG ElectronicsLG225R1C-G2Polycrystalline2257.00*21
165LG ElectronicsLG225R1W-G2Polycrystalline2257.00*21
166LG ElectronicsLG230P1WPolycrystalline2306.92*18
167LG ElectronicsLG210P1C-G2Polycrystalline2106.90*17
168LG ElectronicsLG220P1W-G1Polycrystalline2206.88*17
169LG ElectronicsLG220R1C-G2Polycrystalline2206.86*16
170LG ElectronicsLG220R1W-G2Polycrystalline2206.86*16
171LG ElectronicsLG220P1WPolycrystalline2206.80*14
172LG ElectronicsLG225P1WPolycrystalline2256.79*14
173LG ElectronicsLG215P1WPolycrystalline2156.74*12
174LG ElectronicsLG215P1W-G1Polycrystalline2156.73*12
175LG ElectronicsLG210P1W-G1Polycrystalline2106.56*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.