1. MICDS
Tim Oliver, CFO, MEMC Electronic Materials
November 12, 2010

2. MEMC Headquarters in St. Peters
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3. What Does MEMC Do?
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Wafers become Semiconductors…which become the electronics we use every day.
Wafers also become solar cells…which generate the clean power of today and tomorrow.
We make the wafers.

4. The Solar Opportunity
Non-Renewable Energy Source (All remaining on planet)
Renewable Energy Source (1 Year)
Wind
Coal
Ocean
Thermal
UraniumPetroleumNat. GasTar Sands
Bio FuelHydroGeothermalTidal
More Energy Hits the Earth From the Sun in 15 hours
Than Can be Generated From All of the Oil Remaining in the World!
Solar
Solar Energy Availability vs. Other Energy Sources
Source: NREL
World
Energy
Needs
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5. More Solar Energy Can be Generated in Some States
Hours of Solar Energy Potential Per 1KW Installed Capacity
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6. Solar Cells and Wafers
• Thin wafers of silicon
• Similar to computer chips, bigger and cheaper
• Light carries energy into cell
• Cells convert sunlight energy into electric current-
they do not store energy
• Sunlight is the “fuel”
Solar Wafer
Solar Cell
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7. Solar Power
Cells
Modules
ArrayStrings
Inverter
Sun – Energy Source
PV Modules – Convert Sunlight into electric current.
Inverter – Changes electricity from DC to AC for use in home or building.
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8. Alamosa, Colorado
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