solar photovoltaics (pv). file:photovoltaics in petersburg 4jpg. (from the left) developed the laser fired contact process for series manufacturing of highly efficient perc solar cells credit: dirk mahler/fraunhofer. fundamentals of photovoltaics. electricians repairing wire of the power line on bucket hydraulic lifting platform with photovoltaics in solar. nabcep \u2013 solar pv, project engineer in rtm\u0027s milwaukee office, shares his solar energy expertise part one provides an overview of photovoltaics (pv) . a new record-setting solar cell with an efficiency of 2125% has been developed. 55 kw solar pv cowaterford. pv array eugene. photovoltaic panels in the sun. energizing surfaces.