SPEC-SHEET RATINGS

**From Manufacturers' Websites**

**Compiled by Bolko von Roedern**

**September 2007**

# 

+----------+-----------------------------------+-----------------------+
| **Ranked | **Description of best module**    | **Same module with    |
| Module   |                                   | lowest power rating** |
| Ef       |                                   |                       |
| ficiency |                                   |                       |
| (%)**    |                                   |                       |
+----------+-----------------------------------+-----------------------+
| 19.3     | **SunPower** 315 (SunPower        | Also SunPower 300,    |
|          | rear-point contacted cells,       | efficiency 18.4%      |
| (n       | single crystal FZ) Tcoeff = -0.38 |                       |
| on-stan) | %/C, V~OC~/cell = 673 mV          |                       |
+----------+-----------------------------------+-----------------------+
| 17.2     | **Sanyo** HIP-215NHE (single      | Also HIP-205NHE,      |
|          | crystal CZ Si, HIT (Tcoeff =      | efficiency 16.4%      |
| (n       | -0.30 %/C), V~OC~/cell = 717 mV   |                       |
| on-stan) |                                   |                       |
+----------+-----------------------------------+-----------------------+
| 15.1     | **BP**7190 (single crystal laser  | Also BP 7170,         |
|          | grooved buried grid cells, CZ-Si, | efficiency 13.5%      |
| (n       | Spain) Tcoeff= -(0.5±0.05) %/C,   |                       |
| on-stan) | V~OC~/cell = 622 mV               |                       |
+----------+-----------------------------------+-----------------------+
| 14.4     | **Advent Solar** Advent 240       | Also Advent 210,      |
|          | (emitter wrap thru multi-Si)      | efficiency 12.6%      |
| (n       | Tcoeff= -0.52%/C, V~OC~/cell =    |                       |
| on-stan) | 610 mV                            |                       |
+----------+-----------------------------------+-----------------------+
| 14.2     | **Kyocera** KC200GHT-2 (cast      | Only one rating       |
|          | multi-Si diffused cells)          | listed, warrant now   |
| (multi)  | Tcoeff.(only given for Voc,       | 80% after 20 years    |
|          | -0.123 V/C), V~OC~/cell = 609 mV  | (10/90%, 20/80%)      |
+----------+-----------------------------------+-----------------------+
| 14.2     | **Solar World AG SW 185**         | Also SW 160,          |
|          | (mono-Si "Shell") Tcoeff.: V~OC~= | efficiency 12.3%      |
| (mono)   | -0.33%/C, V~OC~/cell = 622 mV     | Power-warranty        |
|          |                                   | 12/90%, 25/80%        |
+----------+-----------------------------------+-----------------------+
| 14.1     | **Sharp** NU-185 (mono-Si,        | Also Sharp NU-170,    |
|          | diffused)                         | efficiency 13.0%      |
| (mono)   |                                   |                       |
|          | -0.485%/C, V~OC~/cell = 622 mV    |                       |
+----------+-----------------------------------+-----------------------+
| 13.9     | **BP** 175B (\"Solarex\" multi-Si | Also BP 160B,         |
|          | diffused Cells) Tcoeff=           | efficiency 12.7%      |
| (multi)  | -(0.5±0.05) %/C, V~OC~/cell = 614 |                       |
|          | mV                                |                       |
+----------+-----------------------------------+-----------------------+
| 13.4     | **SunTech** STP 260S-24V/b (cast  | Same module with      |
|          | multi-Si diffused cells)          | mono-Si cells is also |
| (multi)  | V~OC~/cell = 608 mV               | 260 W                 |
+----------+-----------------------------------+-----------------------+
| 13.4     | **Solar World AG SW 225**         | Also SW 200,          |
|          | (multi-Si) Tcoeff.: V~OC~=        | efficiency 11.9%      |
| (multi)  | -0.33V/C, V~OC~/cell = 613 mV     |                       |
+----------+-----------------------------------+-----------------------+
| 13.1     | **Evergreen Solar** ES 195        | Also ES-180           |
|          | (string ribbon Si)                | efficiency 12.0%      |
| (ribbon) |                                   |                       |
|          | Tcoeff= -0.49%/C, V~OC~/cell =    |                       |
|          | 609 mV                            |                       |
+----------+-----------------------------------+-----------------------+
| 12.8     | **Sharp** ND-208-U1 (multi-Si,    | Only one rating       |
|          | diffused)                         |                       |
| (multi)  |                                   |                       |
|          | no Tcoeff given , V~OC~/cell =    |                       |
|          | 602 mV                            |                       |
+----------+-----------------------------------+-----------------------+
| 11.0     | **WürthSolar** WS11007/80 (CIS)   | Also WS 11007/75,     |
|          |                                   | efficiency 10.3%      |
| (CIS)    | Tcoeff.= -0.36 %/C                | (warranty 20/80%)     |
+----------+-----------------------------------+-----------------------+
| 10.1     | **First Solar** FS-272 (CdTe)     | Also FS-260,          |
|          |                                   | efficiency 8.3 %      |
| (CdTe)   | Tcoeff= -0.25 %/C                 | (25-year warranty)    |
+----------+-----------------------------------+-----------------------+
| 8.5      | **Sharp** NA-901-WP (90-W)        | Also Sharp NA-801-Wp  |
|          | (amorphous/nanocrystalline Si     |                       |
| (a-S     | tandem)                           | Efficiency 7.6%       |
| i/nc-Si) |                                   | (warranty: 10/90%,    |
|          |                                   | 20/80%)               |
+----------+-----------------------------------+-----------------------+
| 8.1      | **GSE Soar** GSE 120-W            | Only one rating, but  |
|          |                                   | +/-15% power spec     |
| (CIGS)   | Tcoeff=-0.5%/C                    |                       |
+----------+-----------------------------------+-----------------------+
| 6.3      | **Mitsubishi** Heavy MA100 T2     | Only one rating       |
|          | (single j. a-Si, VHF deposition), |                       |
| (a-Si    | Tcoeff.= -0.2 %/C                 | (warranty 20/80%      |
| 1-j)     |                                   | warranty)             |
+----------+-----------------------------------+-----------------------+
| 6.3      | **Uni-Solar** PVL 136 (triple-j.  | Also as 124 W, eff.   |
|          | amorphous silicon roofing         | 5.7%                  |
| (a-Si    | laminate), Tcoeff = -0.26%        |                       |
| 3-j)     |                                   | (20-year warranty)    |
+----------+-----------------------------------+-----------------------+
| 6.3      | **Kaneka** T-SC(EC)-120           | Only one rating       |
|          | (single-j. a-Si)                  |                       |
| (a-Si    |                                   | (warranty 25/80%)     |
| 1-j)     | No Tcoeff. given                  |                       |
+----------+-----------------------------------+-----------------------+
| 5.3      | **Schott Solar ASI-F 32/12**      | Only one rating       |
|          | (same-bandgap double junction     |                       |
| (a-      | a-Si)                             | (only 10-year         |
| Si/a-Si) |                                   | warranty, link to     |
|          | Tcoeff = - 0.20%/C                | spec sheet failed)    |
+----------+-----------------------------------+-----------------------+
| 5.3      | **EPV** EPV-42 (same-bandgap      | (warranty 25/80%)     |
|          | double junction a-Si)             |                       |
| (a-      |                                   |                       |
| Si/a-Si) | Tcoeff = - 0.19%/C                |                       |
+----------+-----------------------------------+-----------------------+