SCHOTT Business Unit SOLARSCHOTT Solar Quality products

> 20 Years experience in practice

Solar electricity modules: PQ 10/40/01

Performance: 2.3 kWp

Year of installation: 1984

Stable performance proven by measured data

Example: PV-system at FHG ISE, Freiburg

0

10

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30

40

Module A Module B Module C

Initial power in 1983

Power in 2003

-3,7% -5,1% -3,1%

SCHOTT Business Unit SOLARSCHOTT Solar Quality products

IEC testing criteria not enough for SCHOTT Solar

Quality checks on every production step: wafer, cell and module

Drastic tightening of IEC 61215 testing criteria

Additional to IEC standard: combination test

SCHOTT Business Unit SOLARSCHOTT Solar Quality products

Damp Heat Test 85 °C; 85 % relative air humidity

2000 h (doubled IEC 61215 standard)

Duration: ~ 15 weeks (including interim audits)

Internal quality standard: powerdrop must be < 5 % Pmpp

IEC standard

Δ in

% P

mpp

SCHOTT Solar standard

-10

-8

-6

-4

-2

0

2

0 640 1000 1500 2000

SCHOTT Solar 1

SCHOTT Solar 2

Competitor 1

SCHOTT Business Unit SOLARSCHOTT Solar Quality products

Thermal Cycle Test

Time / Cycle

Δ in

% P

mpp

Between -40 °C and 90 °C (according to UL, IED 85 °C)

400 cycles (doubled IEC 61215 standard)

Duration: ~ 24 weeks (including interim audits)

Internal quality standard: powerdrop must be < 5 % Pmpp

-5

-4

-3

-2

-1

0

1

2

0 100 200 300 400

SCHOTT Solar 1

SCHOTT Solar 2

Competitor 1

SCHOTT Business Unit SOLARSCHOTT Solar Quality products

5400 Pascal load test

Each ASE-module: Mechanical load test 5.400 Pascal (Pa) = 550 kg / m²

Safety of investment, even at locations with high wind or snow load

* ASE-260-DG-FT loaded with 1 ton; Alzenau, in autumn 2006

2400

5400

0

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IEC

sta

nd

ard

SC

HO

TT

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