Home      About      Contact      Submit an Item      
Passive    Active    Residential    Commercial    Wind    Projects    DIY    Resources    Tools    Materials    
Watch Solar City New York Times Video Thumbnail

Solar City by NYTimes.com


Watch Hemcrete at BRE UK Thumbnail

Hemcrete at BRE UK Video


Watch Zero Energy Casita Thumbnail

Zero Energy Casita SIP Install Video


  

 

 

 

Resource

PV WATTS Calculator v 1.0

calculates electrical energy produced by a grid-connected photovoltaic (PV) system

PVWATTS calculates electrical energy produced by a grid-connected photovoltaic (PV) system. Researchers at the National Renewable Energy Laboratory developed PVWATTS to permit non-experts to quickly obtain performance estimates for grid-connected PV systems within the United States and its territories.