%0 Journal Article %T SOLAR 1.1 software: a case study of a chicken farm illumination project %A Paolo Laranci %A Jos¨¦ Luz Silveira %A Wendell de Queir¨®z Lamas %J Exacta %D 2012 %I Universidade Nove de Julho %X The aim of this paper is to describe the use of SOLAR 1.1 software to design an illumination system for a chicken farm. This software version also helps carry out the economic analysis for grid-connected or stand-alone photovoltaic systems for choosing practical values of the investment rate and annuity factor and calculates the payback period of investment in the photovoltaic plant. %U http://www.redalyc.org/articulo.oa?id=81023342003