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 KISCO, 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 | KISCO | GETWATT 262M-A1U | Monocrystalline | 262 | 8.16* | 82 |
2 | KISCO | GETWATT 261M-A1U | Monocrystalline | 261 | 8.13* | 81 |
3 | KISCO | GETWATT 260M-A1U | Monocrystalline | 260 | 8.10* | 79 |
4 | KISCO | GETWATT 255M-C1U | Monocrystalline | 255 | 8.08* | 79 |
5 | KISCO | GETWATT 259M-A1U | Monocrystalline | 259 | 8.07* | 79 |
6 | KISCO | GETWATT 258M-A1U | Monocrystalline | 258 | 8.04* | 77 |
7 | KISCO | GETWATT 257M-A1U | Monocrystalline | 257 | 8.01* | 76 |
8 | KISCO | GETWATT 256M-A1U | Monocrystalline | 256 | 7.98* | 74 |
9 | KISCO | GETWATT 255M-A1U | Monocrystalline | 255 | 7.95* | 73 |
10 | KISCO | GETWATT 254M-A1U | Monocrystalline | 254 | 7.92* | 71 |
11 | KISCO | GETWATT 253M-A1U | Monocrystalline | 253 | 7.89* | 70 |
12 | KISCO | GETWATT 252M-A1U | Monocrystalline | 252 | 7.85* | 68 |
13 | KISCO | GETWATT 251M-A1U | Monocrystalline | 251 | 7.82* | 66 |
14 | KISCO | GETWATT 250M-A1U | Monocrystalline | 250 | 7.78* | 64 |
15 | KISCO | GETWATT 249M-A1U | Monocrystalline | 249 | 7.75* | 63 |
16 | KISCO | GETWATT 248M-A1U | Monocrystalline | 248 | 7.73* | 61 |
17 | KISCO | GETWATT 245P-A1U | Polycrystalline | 245 | 7.71* | 61 |
18 | KISCO | GETWATT 247M-A1U | Monocrystalline | 247 | 7.69* | 59 |
19 | KISCO | GETWATT 244P-A1U | Polycrystalline | 244 | 7.68* | 59 |
20 | KISCO | GETWATT 246M-A1U | Monocrystalline | 246 | 7.67* | 58 |
21 | KISCO | GETWATT 243P-A1U | Polycrystalline | 243 | 7.65* | 57 |
22 | KISCO | GETWATT 245M-A1U | Monocrystalline | 245 | 7.63* | 56 |
23 | KISCO | GETWATT 242P-A1U | Polycrystalline | 242 | 7.62* | 55 |
24 | KISCO | GETWATT 244M-A1U | Monocrystalline | 244 | 7.60* | 54 |
25 | KISCO | GETWATT 254M-C1U | Monocrystalline | 254 | 7.59* | 53 |
26 | KISCO | GETWATT 241P-A1U | Polycrystalline | 241 | 7.59* | 53 |
27 | KISCO | GETWATT 243M-A1U | Monocrystalline | 243 | 7.57* | 52 |
28 | KISCO | GETWATT 253M-C1U | Monocrystalline | 253 | 7.56* | 52 |
29 | KISCO | GETWATT 240P-A1U | Polycrystalline | 240 | 7.55* | 51 |
30 | KISCO | GETWATT 252M-C1U | Monocrystalline | 252 | 7.53* | 49 |
31 | KISCO | GETWATT 242M-A1U | Monocrystalline | 242 | 7.53* | 50 |
32 | KISCO | GETWATT 239P-A1U | Polycrystalline | 239 | 7.52* | 49 |
33 | KISCO | GETWATT 251M-C1U | Monocrystalline | 251 | 7.50* | 48 |
34 | KISCO | GETWATT 241M-A1U | Monocrystalline | 241 | 7.50* | 48 |
35 | KISCO | GETWATT 238P-A1U | Polycrystalline | 238 | 7.48* | 47 |
36 | KISCO | GETWATT 250M-C1U | Monocrystalline | 250 | 7.47* | 46 |
37 | KISCO | GETWATT 237P-A1U | Polycrystalline | 237 | 7.46* | 45 |
38 | KISCO | GETWATT 240M-A1U | Monocrystalline | 240 | 7.46* | 46 |
39 | KISCO | GETWATT 239M-A1U | Monocrystalline | 239 | 7.44* | 44 |
40 | KISCO | GETWATT 249M-C1U | Monocrystalline | 249 | 7.44* | 44 |
41 | KISCO | GETWATT 236P-A1U | Polycrystalline | 236 | 7.43* | 43 |
42 | KISCO | GETWATT 248M-C1U | Monocrystalline | 248 | 7.41* | 42 |
43 | KISCO | GETWATT 238M-A1U | Monocrystalline | 238 | 7.41* | 42 |
44 | KISCO | GETWATT 235P-A1U | Polycrystalline | 235 | 7.39* | 41 |
45 | KISCO | GETWATT 247M-C1U | Monocrystalline | 247 | 7.38* | 40 |
46 | KISCO | GETWATT 234P-A1U | Polycrystalline | 234 | 7.36* | 39 |
47 | KISCO | GETWATT 246M-C1U | Monocrystalline | 246 | 7.35* | 39 |
48 | KISCO | GETWATT 245M-C1U | Monocrystalline | 245 | 7.33* | 37 |
49 | KISCO | GETWATT 233P-A1U | Polycrystalline | 233 | 7.32* | 37 |
50 | KISCO | GETWATT 244M-C1U | Monocrystalline | 244 | 7.29* | 35 |
51 | KISCO | GETWATT 232P-A1U | Polycrystalline | 232 | 7.29* | 35 |
52 | KISCO | GETWATT 231P-A1U | Polycrystalline | 231 | 7.27* | 34 |
53 | KISCO | GETWATT 243M-C1U | Monocrystalline | 243 | 7.27* | 34 |
54 | KISCO | GETWATT 242M-C1U | Monocrystalline | 242 | 7.24* | 32 |
55 | KISCO | GETWATT 230P-A1U | Polycrystalline | 230 | 7.24* | 33 |
56 | KISCO | GETWATT 229P-A1U | Polycrystalline | 229 | 7.21* | 31 |
57 | KISCO | GETWATT 241M-C1U | Monocrystalline | 241 | 7.21* | 31 |
58 | KISCO | GETWATT 240M-C1U | Monocrystalline | 240 | 7.18* | 29 |
59 | KISCO | GETWATT 228P-A1U | Polycrystalline | 228 | 7.17* | 29 |
60 | KISCO | GETWATT 227P-A1U | Polycrystalline | 227 | 7.14* | 27 |
61 | KISCO | GETWATT 226P-A1U | Polycrystalline | 226 | 7.11* | 26 |
62 | KISCO | GETWATT 225P-A1U | Polycrystalline | 225 | 7.08* | 25 |
63 | KISCO | GETWATT 224P-A1U | Polycrystalline | 224 | 7.04* | 23 |
64 | KISCO | S101E | Thin Film | 101 | 3.79* | 1 |
65 | KISCO | S100E | Thin Film | 100 | 3.74* | 1 |
66 | KISCO | S99E | Thin Film | 99 | 3.72* | 1 |
67 | KISCO | S98E | Thin Film | 98 | 3.67* | 1 |
68 | KISCO | S97E | Thin Film | 97 | 3.64* | 1 |
69 | KISCO | S96E | Thin Film | 96 | 3.62* | 0 |
70 | KISCO | S95E | Thin Film | 95 | 3.57* | 0 |
71 | KISCO | S94E | Thin Film | 94 | 3.55* | 0 |
72 | KISCO | S93E | Thin Film | 93 | 3.49* | 0 |
73 | KISCO | S92E | Thin Film | 92 | 3.47* | 0 |
74 | KISCO | S91E | Thin Film | 91 | 3.40* | 0 |
* 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.