Lighting Africa

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

Solar Aid

International NGO promoting solar electricity access, primarily in sub-Saharan Africa. Works with volunteers and private contributions from sponsors. www. solar-aid. org

Solar Resource Data and Simulation Software PVGIS

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/

PV*Sol

Professional simulation programme for design and simulation of stand-alone and grid-connected photovoltaic systems. Demo version can be downloaded free.

www. valentin. de

PVsyst

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

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.

www. homerenergy. com

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