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Bifacial World 2017
History and Status
Radovan Kopecek et al.
International Solar Energy Research Center (ISC), Konstanz, GERMANY
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
Solar city of Konstanz
2
Konstanz
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
ISC Konstanz: who we are
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
ISC Konstanz: who we are
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
ISC Konstanz: who we are
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
ISC Konstanz: who we are
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
BIFACIAL FUTURE
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
BIFACIAL FUTURE
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
ISC Konstanz: workshop organisation
9
1) Metallisation workshop started in 2008
2) nPV workshop started in 2011
3) bifiPV started in 2012
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
Goals of such focused workshops
10
1) Industry and institutes present new results and
findings
2) Platform for discussions and business
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
nPV WS 2018 in Lausanne
www.nPV-workshop.com
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV workshops from 2012
12
1) bifiPV 2012 in Konstanz (120 people)
2) bifiPV 2014 in Chambery (80 people)
2,5) bifiPV 2015 in Antofagasta (40 people)
3) bifiPV 2016 in Miyazaki (80 people)
4) bifiPV 2017 in Konstanz (130 people)
all presentations at https://pvpmc.sandia.gov/pv-research/bifacial-pv-project/
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2014 in Chambery
13
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: organisers and sponsors
14
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: visitors
15
Bifacial pioneers:
Large bifacial companies:
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: visitors
16
Bifacial pioneers:
Large bifacial companies:
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: facts
17
1) Visitors: ca. 130 from 20 countries
2) Sessions: 8
I - Systems
II - Solar cells
III - Modules
IV -Technology discussion
V - Simulations and LCOE
VI- Measurements and standards
VII- Review: are we doing rights right?
VIII- Bankability
3) Presentations: 41
4) Lots of DISCUSSION
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: registrations in time
18
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: registrations in time
19
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: registrations in time
20
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: registrations in time
21
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: Wednesday program
22
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: Wednesday program
23
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: Thursday program
24
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
bifiPV 2017: Thursday program
25
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
BIFACIALITY
26
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 27
True bifacial module market share
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 28
True bifacial module market share
100G
W
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 29
True bifacial module market share
50G
W
100G
W
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
BIFACIAL GAIN
30
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 31
Bifacial gain: fix tilt south/north oriented
from bSolar > now SolAround
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 32
20cm 20cm 20cm
albedo: 10% albedo: 30% albedo: 70%
bifacial gain: 5% bifacial gain: 10% bifacial gain: 15%
Bifacial gain: fix tilt south/north oriented
FLAT ROOF
compared with monofacial south/north oriented
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 33
80cm
albedo: 10% albedo: 30% albedo: 70%
bifacial gain: 10% bifacial gain: 15% bifacial gain: 30%
Bifacial gain: fix tilt south/north oriented
UTILITY SCALE INSTALLATION
80cm 80cm
compared with monofacial south/north oriented
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 34
50cm
albedo: 10% albedo: 30% albedo: 70%
bifacial gain: 5% bifacial gain: 10% bifacial gain: 15%
Bifacial gain: vertical E/W oriented
UTILITY SCALE INSTALLATION
50cm 50cm
compared with monofacial south/north oriented
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 35
50cm
albedo: 10% albedo: 30% albedo: 70%
bifacial gain: 5% bifacial gain: 15% bifacial gain: 20%
Bifacial gain: E/W tracked
UTILITY SCALE INSTALLATION
50cm 50cm
compared with monofacial E/W tracked
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
PV tech Blog 13th January 2015
36
The largest enemy of bifaciality is
the old-fashioned “Wp thinking” of
customers instead of a modern
“kWh mentality”.
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
CHILE- a bifacial country
37
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 38
Chiles´s Solar Program
http://www.desertmodule.cl/
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017 39
AtaMoS TeC: bifacial technology center
measurements
module development
system development
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
summary
40
- c-Si solar cells in future will be bifacial anyhow
- many companies are already producing bifacial cells:
PERC+, nPERT, HJT, mcPERCT
- many modules in future will be glass-glass based anyhow
- the system kWh can be extremely increased by using bifacial
modules and simple tracking in addition
>> WE HAVE TO CHANGE TO COSTS/KWH THINKING,
CREATE STANDARDS AND BRING BIFACIALITY INTO PV
MARKET
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Radovan Kopecek, bifiPV2017, Konstanz, October 25/26, 2017
41
Bifacial PV will not only reduce LCOE-
it will bring you to great places!!
ENJOY!!!