The reegle clean energy web search provides a unique tool to find high quality information on clean energy.
The home of the U.S. Government’s open data: here you will find data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more.
data.gov.uk is a UK Government project to make available non-personal UK government data as open data. Aims to promote innovation though encouraging the use and re-use of government data-sets.
The reegle thesaurus is one of the most comprehensive thesauri (more than 2000 terms) describing the field of renewables, efficiency, REDD, green growth and climate change.
Catalougue of clean energy stakeholders and actors.
The reegle data portal for developers provides key datasets from reegle, free for re-use in 3rd party applications, widgets and websites.
For each country a comprehensive set of energy-related information is available on reegle.
RETScreen is well-known around the world as a tool to analyze the viability of clean energy projects.