Solar System Components/Calculators ----------------------------------- Residential Photovoltaic System Design Project Modules: Evergreen http://evergreensolar.com/en/ Sharp http://www.sharpusa.com/SolarElectricity.aspx Sanyo http://us.sanyo.com/Solar Inverters: SMA http://www.sma-america.com/en_US/ http://www.sma-america.com/en_US/service/solar-design-tools.html Xantrex http://www.xantrex.com/ http://www.xantrex.com/support/gtsizing/disclaimer.asp?lang=eng http://www.schneider-electric.com/sites/corporate/en/products-services/renewable-energies/products-offer/range-presentation.page?c_filepath=/templatedata/Offer_Presentation/3_Range_Datasheet/data/en/shared/renewable_energies/xantrex.xml&f=F13%3ARenewable%20Energies~!NNM1:Solar+Grid+Tie+Systems~!NNM2:Single+Phase+Solar~!NNM3:Xantrex# Fronius http://www.fronius.com/cps/rde/xchg/fronius_usa http://www.fronius.com/cps/rde/xchg/SID-0F248B6A-AA897467/fronius_international/hs.xsl/83_8594_ENG_HTML.htm Enphase http://www.enphaseenergy.com/products/ Racking: UNIRAC http://www.unirac.com/ http://www.unirac.com/estimator/part/estimator/detail/solar/ ProSolar http://www.prosolar.com/prosolar-new/pages/pv-mountingsystms-subpage2.htm