pv magazine test: October 2023 results



The first chart, pictured above, shows the meteo station data with irradiance and ambient temperature for October 2023. Due to an issue with the collection of information, system data is missing for Oct. 14 to Oct. 16. We observed that the energy yield figures of several top-performing products are very close and this could render the numbered ranking method we have been using less meaningful. CEA is currently working on a new ranking system that will adapt to these new trends and be more representative of product performance.

The average bifacial boost was 10.20% for October 2023. Bifacial boost is defined as the relative advantage of the average specific energy yield of all bifacial products compared to the average specific energy yield of all monofacial mono passiavted emitter rear contact (PERC) products.

Bifacial boost

All in Wh/WpTotal Aug. 2023Total Sep. 2023Total Oct. 2023Total Nov. 2023
Average monthly yield133.43103.62102.6840.36
Average monthly bifacial yield142.29108.65105.9142.08
Average monthly monofacial PERC yield129.1299.28100.3740.20
Operation days23292814
Average daily yield5.803.573.672.88
Average daily bifacial yield6.193.753.783.01
Average daily monofacial PERC yield5.613.423.582.87
Bifacial TOPCon boostN/A10.88%5.74%5.22%
Bifacial PERC boostN/A8.21%5.32%4.23%%
All technologies bifacial boost10.20%9.16%5.52%4.69%


Specific energy yield ranking of bifacial modules – historical

#Installation monthProductTypeSample selection methodTotal
July 2023 Wh/Wp
Aug. 2023 Wh/Wp
Sep. 2023 Wh/Wp
Oct. 2023 Wh/Wp
July 2023 RankAug. 2023 RankSep. 2023 RankOct. 2023 Rank
372021/5/1LONGi LR4-72HBD-445MBifacial PERC3137.27146.60111.11104.812121
262019/8/28LONGi LR6-72HBD375Bifacial PERC1136.22145.67110.44104.034442
502023/9/1Astronergy CHSM72N(DG)/F-BH-580Bifacial N-TOPCon3//112.05103.53//13
422023/6/5DAS-DH144NA-570Bifacial N-TOPCon3139.49146.49110.65103.521234
272019/12/31Jolywood JW-D72N-400Bifacial N-TOPCon3136.84145.78110.31103.493355
452023/8/15Trina TSM-NEG9RC.27Bifacial N-TOPCon3//109.31102.35//76
412022/12/18Tongwei TH550PMB6-58SDCBifacial PERC1134.44140.75108.40102.275687
382021/11/20LONGi LR5-72HBD-535MBifacial PERC3131.15139.65106.44100.7468108
472023/9/1HY NT10/72GDF-565Bifacial N-TOPCon3//110.01100.66//69
282020/4/15Risen RSM114-6-405BMDGBifacial PERC3130.56139.89106.36100.39771110
432023/6/23Tongwei TWMND-72HD565Bifacial N-TOPCon3/143.57108.18100.29/5911
322021/7/1Risen RSM150-8-500BMDGBifacial PERC1128.76137.13104.5498.849101312
342021/7/1JA JAM72D20-445MBBifacial PERC2128.72137.36104.7398.83891213


Specific energy yield ranking of monofacial modules – historical

#Installation monthProductTypeSample selection methodTotal
July 2023 Wh/Wp
Aug. 2023 Wh/Wp
Sep. 2023 Wh/Wp
Oct. 2023 Wh/Wp
July 2023 RankAug. 2023 RankSep. 2023 RankOct. 2023 Rank
442023/9/1AIKO A600-MAF72MwN-back contact3//104.7998.47//11
292020/7/7CSI CS3U-390MSPERC2123.44132.83102.1298.261232
312020/10/1JA JAM60S10-345/MRPERC2121.70131.09101.5798.254443
302020/7/7GCL GCL-M3/72H380Cast PERC1123.20133.26102.2398.222124
352021/7/1JA JAM72S20-445MRPERC2122.85131.80101.1396.813355
202018/11/21Phono PS380MH-24/THPERC1120.72130.80100.3996.395566
362021/11/20JA JAM72S30-540MRPERC2119.41127.1397.9893.496677
212019/3/1Risen RSM120-6-320MPERC1106.27116.9689.5493.487788
102018/5/24Recom RCM-275-6MB-4-BB21Mono196.20105.3686.0587.728899
222019/5/4Znshine ZXP6-60-275/PMulti193.70102.9584.9285.56991010
Note: Explanation of sample selection method categorization: 1 Sample randomly selected by CEA from a large production lot; 2 Sample purchased from the market by CEA; 3 Sample provided by supplier, without random selection. Glossary, TOPCon=tunnel oxide passivated contact; n- and n-type=negatively-doped.


Energy yield measurements:

  • The energy yield comparison among various technologies, including bifacial boost, is analyzed using products installed after the beginning of 2019.
  • The energy yield is given in Wh/Wp and calculated by dividing the energy produced by the module by the maximum power point (Pmax) at standard test conditions (STC) of the module. This Pmax is the maximum STC power after a process of stabilization.
  • The results are grouped in categories, per module type.
  • The bifacial boost depends on many parameters, such as the bifaciality factor, the installation geometry, the albedo of the ground, the sun angle, and diffuse irradiance. The ground, in this case, is gray gravel.

Test cooperation

pv magazine test is a cooperative effort involving pv magazine, APsystems, CEA, and Gsolar. All testing procedures are carried out at Gsolar’s test laboratory in Xi’an, China. CEA supervises these tests and designed both the indoor and outdoor testing procedures.

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