Bifacial PV technology, applications and economy

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1 Bifacial PV technology, applications and economy Radovan Kopecek, Joris Libal et al. International Solar Energy Research Center (ISC), Konstanz, GERMANY

2 Status of bifacial PV technology - applications - economy 2

3 BIFACIAL BOOK 3

4 Content (published before EUPVSEC?) 4

5 Content (published before EUPVSEC?) 5

6 c-si solar cell technology market shares 6

7 ITRPV forecast of c-si till

8 ITRPV forecast of c-si till 2027 can be bifacial monofacial 8

9 ITRPV forecast of c-si till 2027 PERX 9

10 ITRPV forecast of c-si till

11 ITRPV forecast of c-si till

12 Bifaciality 12

13 PVI35 Article from February

14 Bifaciality R. Kopecek, J. Libal, PVI35, February

15 Bifaciality R. Kopecek, J. Libal, PVI35, February

16 Accumulated power of bifacial systems R. Kopecek, J. Libal, PVI35, February

17 Largest bifacial systems R. Kopecek, J. Libal, PVI35, February

18 Largest bifacial systems PLANS FOR me: 50MWp in USA EDF: 90MWp in Mexiko +many others R. Kopecek, J. Libal, PVI35, February

19 Bifacial cell producers in 2017 Adani, GCL,. R. Kopecek, J. Libal, PVI35, February

20 La Hormiga: 2.5MWp BiSoN Farm in Chile nominal power: 2.5MWp effective power: 3.3MWpe 20

21 Tempress goes bifacial: Largest bifacial system in EU: 400kWp 21

22 Next-Solar + Ökostrom in Q4 2017: 3MWp bifacial vertical sys. in Germany 22

23 c-si solar cell concepts TECHNOLOGY 23

24 which c-si concepts are on the market? c-si ZOO (large area, screen printed) p-type standard evolutionary improvement due to shallow % emitters, metal pastes and material p-type selective emitter on the market; different approaches such as % laser doping, etch-back, ion-implantation p-type PERC % p-type PERCT % p-type PERCT bifacial % n-type rear Al-emitter % n-type PERCT % n-type PERT/HIT bifacial 20.5%-25.0% IBC concept 21.5%-25.0% Radovan Kopecek, npv workshop, Freiburg, April 6, 2017 entering the market fast; different approaches such Al 2 O 3, SiO 2 /SiN x passivation in research, advantages to PERC due to better low light performance & lateral conductivity solarwind: since many years bsolar: since 2010; RCT in research phase at many institutes (ISC, Fraunhofer ISE, ISFH, ECN, UKON, INES ) in research phase at many institutes (ISC+RCT, Fraunhofer ISE, IMEC, ISFH ) HIT on market since 1997; research at many institutes; Panda on market since 2010; research at many institutes IBC from sunpower research at many institutes 24

25 which c-si concepts are on the market? c-si ZOO (large area, screen printed) p-type standard evolutionary improvement due to shallow % emitters, metal pastes and material p-type selective emitter on the market; different approaches such as % laser doping, etch-back, ion-implantation p-type PERC % p-type PERCT % p-type PERCT bifacial % n-type rear Al-emitter % n-type PERCT % n-type PERT/HIT bifacial 20.5%-25.0% IBC concept 21.5%-25.0% Radovan Kopecek, npv workshop, Freiburg, April 6, 2017 entering the market fast; different approaches such Al 2 O 3, SiO 2 /SiN x passivation in research, advantages to PERC due to better low light performance & lateral conductivity solarwind: since many years bsolar: since 2010; RCT in research phase at many institutes (ISC, Fraunhofer ISE, ISFH, ECN, UKON, INES ) in research phase at many institutes (ISC+RCT, Fraunhofer ISE, IMEC, ISFH ) HIT on market since 1997; research at many institutes; Panda on market since 2010; research at many institutes IBC from sunpower research at many institutes 25

26 which c-si concepts are on the market? c-si ZOO (large area, screen printed) Al-BSF standard PERC PERT, HJT IBC MARKET SHARE 80% 12% 5% 2% EFFICIENCY 20+% 21+% 21+% 23+% Radovan Kopecek, npv workshop, Freiburg, April 6,

27 which c-si concepts are on the market? c-si ZOO (large area, screen printed) Al-BSF standard PERC PERT, HJT IBC MARKET SHARE 80% 12% 5% 2% EFFICIENCY 20+% 21+% 21+% 23+% BIFACIALITY 0% 70+% 90+% 80+% Radovan Kopecek, npv workshop, Freiburg, April 6,

28 c-si solar cell concepts COO and LCOE 28

29 COO for modules on the market IBC (ZEBRA) HJT? 100MWp production in China R. Kopecek, J. Libal, PVI35, February

30 COO for modules on the market IBC (ZEBRA) HJT? 100MWp production in China R. Kopecek, J. Libal, PVI35, February

31 LCOE for modules on the market Irradiation: Southern Spain (Valencia) R. Kopecek, J. Libal, PVI35, February

32 albedo dependent energy gain

33 albedo dependent energy gain high albedo: white roof, snow >> high bifacial modules: PERT, HJT medium albedo: gras, sand >> medium bifacial modules: IBC low albedo: water >> low bifacial modules: PERC+

34 summary - PV industry starts to be innovative - Cz-Si substrates are getting as cost effective as mc-si - PERC is coming strongly - Bifaciality is also picking up - n-type technology (or better PERT, IBC and HJT) still better for bifacial systems with middle and high albedo and for vertical E-W installations - bifacial IBC could become interesting in future as well 34

35 monofacial module: ZEBRA at ISC 310+Wp no LID no PID If bifacial: 380+Wpe

36 Bifacial 60 cell ZEBRA module at SNEC First bifacial 60 cell glass-glass IBC module for lowest LCOE Solar Cell - ZEBRA - 22+% - bif: 80% Module -glass-glass -300+Wp - bif: 80+% - Up to 400Wpe Booth centrotherm: E3 360 Booth SPIC Xi an Solar Power : W1 330 Presentation Dr. Yan Wang (SERIS) this afternoon at 13:00 36

37 bifipv WS: October 24/ in Konstanz

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