SCHOTT Solar Quality products Business Unit SOLAR > 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 40 30 -3,7% -5,1% -3,1% Initial power in 1983 Power in 2003 20 10 0 Module A Module B Module C Example: PV-system at FHG ISE, Freiburg SCHOTT Solar Quality products Business Unit SOLAR 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 Solar Quality products Business Unit SOLAR 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 SCHOTT Solar standard Δ in % Pmpp 2 0 SCHOTT Solar 1 -2 SCHOTT Solar 2 -4 Competitor 1 -6 -8 -10 0 640 1000 1500 2000 SCHOTT Solar Quality products Business Unit SOLAR Thermal Cycle Test 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 2 Δ in % Pmpp 1 SCHOTT Solar 1 0 SCHOTT Solar 2 -1 Competitor 1 -2 -3 -4 -5 0 100 200 300 Time / Cycle 400 SCHOTT Solar Quality products Business Unit SOLAR 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 6000 5400 4000 2000 1000 0 * ASE-260-DG-FT loaded with 1 ton; Alzenau, in autumn 2006 2400 IEC standard 3000 SCHOTT Solar standard 5000