International finance organization dedicated to improving access to modern lighting services for low income groups in Africa. Helps in the promotion of low cost, high quality lighting products through networking, quality monitoring, policy initiatives and competitions. www. lightingafrica. org
Solar Electric Light Fund
International development organization promoting solar power and wireless communication, with many projects. www. self. org
Alliance for Rural Electrification
International development organization involved in rural electrification, with a strong emphasis on solar electrical systems. www. ruralelec. org
Green Dragon Energy
Provides training courses and is a source of books on renewable energy (mainly off-grid). Has been involved in solar energy for many years. www. greendragonenergy. co. uk
International NGO promoting solar electricity access, primarily in sub-Saharan Africa. Works with volunteers and private contributions from sponsors. www. solar-aid. org
A website with compiled data and links for meteorological data from sites all over the world. Includes on-line simulation tools.
re. jrc. ec. europa. eu/pvgis
NASA Surface Meteorology and Solar Energy
Database providing radiation data for all global locations. http://eosweb. larc. nasa. gov/sse/
Professional simulation programme for design and simulation of stand-alone and grid-connected photovoltaic systems. Demo version can be downloaded free.
Professional simulation programme for design and simulation of stand-alone and grid-connected photovoltaic systems. Demo version can be downloaded free. www. pvsyst. com
HOMER is a computer model for evaluating design options for larger renewable and conventional hybrid and distributed power sources. Not for small systems. Great as a learning tool – and free.