pvlib python: recent updates and community growth
Kevin S. Anderson1, Clifford W. Hansen1, William F. Holmgren2, Adam R. Jensen3, Mark A. Mikofski2, Anton Driesse4
1Sandia National Laboratories, Albuquerque, NM, United States
/2DNV, San Diego, CA, United States
/3Technical University of Denmark, Kgs. Lyngby, --, Denmark
/4PV Performance Labs, Freiburg , --, Germany

pvlib python is a modular open-source toolbox for photovoltaic system performance modeling.  It enjoys widespread use in both industry and research communities, underlying commercial products and gathering hundreds of academic citations per year.  Its open development practices have attracted a large international user and developer community.  Here we describe recent functionality enhancements and report community and contributor statistics.