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To build an enterprise is like an adventure travel: as soon as you start your trip forget all detailed plans - but don’t lose track of your goal and...

A study of Planète d'Entrepreneurs shows very clearly the amazing social and economic impacts for off-grid customers thanks to solar energy. The study...

A year ago, Mike Larsen and Linda Nelson left their urban Minneapolis home and moved to the prairie in southeast Minnesota to live in a way more...


"Social impact investing" is the new magic word among many investors and social entrepreneurs. It seems like an ideal combination of social concerns...


Clean and affordable lighting is a basic need for economical and social growth. 1.6 billion people worldwide do not have access to clean and...


Lithium-ion (Li-ion) batteries are becoming more common in portable electronic devices due to their high energy density, lack of memory effect, and...

Why statistics about kerosene prices have no relevance for sale of solar energy.


Dr. Subhes Bhattacharyya, Senior Lecturer in Energy/ Petroleum Economics at University of Dundee in the UK says that special Subsaharian Africa has a...


Many of the world's poorest people are rural farmers with no connections to power grids or large-scale energy sources. Most of their day-to-day energy...

Masterthesis Postgraduate Programme Renewable Energy, Carl von Ossietzky University Oldenburg, Germany, 2012