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:
These ratings allow you to make comparisons when analyzing PV modules and help you select the optimal PV module.
Before using the PSI Ratings, you should subscribe to our email list to receive important updates from the Principal Solar Institute.
Here are the PSI Ratings for modules from Aleo Solar, 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 |
---|---|---|---|---|---|---|
1 | Aleo Solar | S19H270 | Monocrystalline | 270 | 8.52* | 91 |
2 | Aleo Solar | S79U270 | Monocrystalline | 270 | 8.38* | 89 |
3 | Aleo Solar | S19H265 | Monocrystalline | 265 | 8.37* | 88 |
4 | Aleo Solar | S18U260 | Polycrystalline | 260 | 8.25* | 85 |
5 | Aleo Solar | S79U265 | Monocrystalline | 265 | 8.23* | 84 |
6 | Aleo Solar | S19H260 | Monocrystalline | 260 | 8.21* | 84 |
7 | Aleo Solar | S18U255 | Polycrystalline | 255 | 8.09* | 79 |
8 | Aleo Solar | S79U260 | Monocrystalline | 260 | 8.08* | 79 |
9 | Aleo Solar | S19H255 | Monocrystalline | 255 | 8.05* | 78 |
10 | Aleo Solar | S79U255 | Monocrystalline | 255 | 7.93* | 72 |
11 | Aleo Solar | S18U250 | Polycrystalline | 250 | 7.93* | 72 |
12 | Aleo Solar | S19H250 | Monocrystalline | 250 | 7.89* | 70 |
13 | Aleo Solar | S18U245 | Polycrystalline | 245 | 7.77* | 64 |
14 | Aleo Solar | S79U250 | Monocrystalline | 250 | 7.77* | 64 |
15 | Aleo Solar | S19U255 ulr | Monocrystalline | 255 | 7.76* | 63 |
16 | Aleo Solar | S18U245 ulr | Polycrystalline | 245 | 7.69* | 59 |
17 | Aleo Solar | A18U245 ulr | Polycrystalline | 245 | 7.69* | 59 |
18 | Aleo Solar | S79.250 | Monocrystalline | 250 | 7.66* | 57 |
19 | Aleo Solar | A79.250 | Monocrystalline | 250 | 7.66* | 57 |
20 | Aleo Solar | S79U250 ulr | Monocrystalline | 250 | 7.65* | 57 |
21 | Aleo Solar | A79U250 ulr | Monocrystalline | 250 | 7.65* | 57 |
22 | Aleo Solar | S19U250 ulr | Monocrystalline | 250 | 7.62* | 55 |
23 | Aleo Solar | S18U240 | Polycrystalline | 240 | 7.61* | 54 |
24 | Aleo Solar | S18.245 | Polycrystalline | 245 | 7.58* | 52 |
25 | Aleo Solar | A18.245 | Polycrystalline | 245 | 7.58* | 53 |
26 | Aleo Solar | S19U245 ulr | Monocrystalline | 245 | 7.53* | 49 |
27 | Aleo Solar | S18U240 ulr | Polycrystalline | 240 | 7.53* | 50 |
28 | Aleo Solar | A18U240 ulr | Polycrystalline | 240 | 7.53* | 50 |
29 | Aleo Solar | A79.245 | Monocrystalline | 245 | 7.49* | 47 |
30 | Aleo Solar | S79.245 | Monocrystalline | 245 | 7.49* | 47 |
31 | Aleo Solar | S79U245 ulr | Monocrystalline | 245 | 7.48* | 47 |
32 | Aleo Solar | A79U245 ulr | Monocrystalline | 245 | 7.48* | 47 |
33 | Aleo Solar | S18.240 | Polycrystalline | 240 | 7.42* | 43 |
34 | Aleo Solar | A18.240 | Polycrystalline | 240 | 7.42* | 43 |
35 | Aleo Solar | A18U235 ulr | Polycrystalline | 235 | 7.39* | 41 |
36 | Aleo Solar | S18U235 ulr | Polycrystalline | 235 | 7.39* | 41 |
37 | Aleo Solar | A79U240 ulr | Monocrystalline | 240 | 7.36* | 39 |
38 | Aleo Solar | S79U240 ulr | Monocrystalline | 240 | 7.36* | 39 |
39 | Aleo Solar | S19U240 ulr | Monocrystalline | 240 | 7.32* | 37 |
40 | Aleo Solar | A18.235 | Polycrystalline | 235 | 7.23* | 32 |
41 | Aleo Solar | S18.235 | Polycrystalline | 235 | 7.23* | 32 |
42 | Aleo Solar | A79.235 | Monocrystalline | 235 | 7.21* | 31 |
43 | Aleo Solar | S79.235 | Monocrystalline | 235 | 7.21* | 31 |
44 | Aleo Solar | A18U230 ulr | Polycrystalline | 230 | 7.20* | 30 |
45 | Aleo Solar | S18U230 ulr | Polycrystalline | 230 | 7.20* | 30 |
46 | Aleo Solar | A79U235 ulr | Monocrystalline | 235 | 7.20* | 31 |
47 | Aleo Solar | S79U235 ulr | Monocrystalline | 235 | 7.20* | 31 |
48 | Aleo Solar | S19U235 ulr | Monocrystalline | 235 | 7.16* | 28 |
49 | Aleo Solar | A18.230 | Polycrystalline | 230 | 7.15* | 28 |
50 | Aleo Solar | S79.230 | Monocrystalline | 230 | 7.05* | 24 |
51 | Aleo Solar | A79.230 | Monocrystalline | 230 | 7.05* | 23 |
52 | Aleo Solar | S79U230 ulr | Monocrystalline | 230 | 7.04* | 23 |
53 | Aleo Solar | A79U230 ulr | Monocrystalline | 230 | 7.04* | 23 |
54 | Aleo Solar | S18U225 ulr | Polycrystalline | 225 | 7.04* | 23 |
55 | Aleo Solar | A18U225 ulr | Polycrystalline | 225 | 7.04* | 23 |
56 | Aleo Solar | A18.225 | Polycrystalline | 225 | 6.99* | 21 |
57 | Aleo Solar | S18U220 ulr | Polycrystalline | 220 | 6.86* | 16 |
58 | Aleo Solar | A18U220 ulr | Polycrystalline | 220 | 6.86* | 16 |
59 | Aleo Solar | A18.220 | Polycrystalline | 220 | 6.83* | 15 |
60 | Aleo Solar | A18U215 ulr | Polycrystalline | 215 | 6.69* | 11 |
61 | Aleo Solar | S18U215 ulr | Polycrystalline | 215 | 6.69* | 11 |
62 | Aleo Solar | A18.215 | Polycrystalline | 215 | 6.67* | 11 |
63 | Aleo Solar | S18U210 ulr | Polycrystalline | 210 | 6.54* | 8 |
64 | Aleo Solar | A18U210 ulr | Polycrystalline | 210 | 6.54* | 8 |
65 | Aleo Solar | A18.210 | Polycrystalline | 210 | 6.51* | 8 |
* 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.