Open Photovoltaics Analysis Platform (OPVAP) is no more active. http://opvap.com is unavailable

Open Photovoltaics Analysis Platform (OPVAP) is a group of programs using in solar cell research, including single crystal silicon such as

Sandia National Laboratories is facilitating a collaborative group of photovoltaic (PV) professionals (PV Performance Modeling Collaborative or PVPMC). This group is interested in improving the accuracy and technical rigor of PV performance

PVEducation is a collection of resources for the photovoltaic educator.
In a CDROM available online it presents practical and theoretical aspects of photovoltaics such as:
- Properties of Sunlight
- Semiconductors &