October 21st, 2011

By Barbara Kessler
Green Right Now

From the floor of the recent Solar Power International show in Dallas, it’s easy to see why solar power awes and mystifies the general public. Giant robotic arms dart and spin with the precision of diamond cutters, parading the fine tuning required to stamp out photovoltaic (PV) panels. Installers demo rooftop racks engineered to resist rust, defy gravity and hold tight for 30 years, come hail or high winds. Sales execs hawk the intricate micro-inverters that mysteriously transfer solar energy from the silicon wafer/glass PV panel onto the household AC/DC system, claiming to have the most reliable, efficient and failsafe versions.

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