Due to holidays delaying reinstallation of samples and a system malfunction, five days of data have been removed from January’s results. The weather conditions in Yinchuan during January were similar to December, with more sub-zero temperature days in January. This did not result in a change in the relative performance of the products. There was also no change in the relative performance of the products at the test site in Dammam, which was expected, given the similar prevailing weather conditions to previous months. 
Specific energy yield ranking – Yinchuan, January 2026
| # | Installation Month | Product | Type | Total 2025 December kWh/m2 |
Total 2025 December Wh/Wp |
December 2025 Rank (Wh/Wp) |
Total 2026 January kWh/m2 |
Total 2026 January Wh/Wp |
January 2026 Rank (Wh/Wp) |
| 60 | 12/8/2024 | Runergy HY-DH144N8-570 | Bifacial n-TOPCon | 18.12 | 82.95 | 1 | 28.35 | 129.75 | 1 |
| 61 | 12/9/2024 | JA JAM72D42-615/LB | Bifacial n-TOPCon | 18.46 | 82.21 | 1 | 28.88 | 128.65 | 1 |
| 62 | 3/5/2025 | SEG Solar SEG-BTC-600-BG | Bifacial n-TOPCon | 18.28 | 82.69 | 1 | 28.40 | 128.51 | 1 |
| 66 | 6/5/2025 | AE AE605CMER-132-BDS | Bifacial n-TOPCon | 18.41 | 82.41 | 1 | 28.68 | 128.39 | 1 |
| 54 | 12/8/2024 | Trina TSM-685NEG21C.20 | Bifacial n-TOPCon | 18.02 | 80.92 | 2 | 28.36 | 127.33 | 2 |
| 56 | 12/8/2024 | Longi LR5-72HGD-585M | Bifacial n-TOPCon | / | / | / | 28.57 | 127.18 | 2 |
| 50 | 12/8/2024 | Astronergy CHSM72N(DG)/F-BH-580 | Bifacial n-TOPCon | 18.15 | 82.02 | 1 | 28.13 | 127.10 | 2 |
| 58 | 12/8/2024 | SolarSpace SS9-66HD-695N | Bifacial n-TOPCon | 18.20 | 80.84 | 2 | 28.50 | 126.55 | 2 |
| 57 | 12/8/2024 | AE AE570CMD-144BDS | Bifacial n-TOPCon | 17.96 | 81.24 | 2 | 27.96 | 126.46 | 2 |
| 63 | 3/5/2025 | Astronergy CHSM66RN(DG)/F-BH-615 | Bifacial n-TOPCon | 18.42 | 81.18 | 2 | 28.65 | 126.27 | 2 |
| 59 | 12/8/2024 | DMEGC DM605G12RT-B66HSW | Bifacial n-TOPCon | 17.85 | 80.65 | 2 | 27.92 | 126.18 | 2 |
| 53 | 1/1/2025 | SEG SEG-575-BTA-BG | Bifacial n-TOPCon | 18.07 | 79.80 | 3 | 28.14 | 124.23 | 3 |
Specific energy yield ranking– Dammam, January 2026 |
|||||||||
| # | Installation Month | Product | Type | Total 2025 December kWh/m2 |
Total 2025 December Wh/Wp |
December 2025 Rank (Wh/Wp) |
Total 2026 January kWh/m2 |
Total 2026 January Wh/Wp |
January 2026 Rank (Wh/Wp) |
| 62 | 5/8/2025 | SEG Solar SEG-BTC-600-BG | Bifacial n-TOPCon | 18.69 | 84.07 | 1 | 38.02 | 170.99 | 1 |
| 63 | 5/8/2025 | Astronergy CHSM66RN(DG)/F-BH-615 | Bifacial n-TOPCon | 18.39 | 81.27 | 2 | 37.52 | 165.79 | 2 |
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