| GCat | Design & Safety |
| MCat | Environment |
| SCat | Renewable Energy |
Bioenergy, geothermal, hydroelectric, photovoltaic, solarthermal & wind-powered electric plant data. Solar radiation. Natural energy solutions. Alternative fuels.
Energy Analysis - US Dept fof Energy [3764] 
Bioenergy, geothermal, hydroelectric, photovoltaic, solarthermal & windpowered electric plant data
Energy Efficiency & Renewable Energy Network [8201]
DOE resources for energy efficiency and renewable energy information
Renewaable Energy Basics [3768]
Explains the technologies and solutions for using natural energy solutions
Renewable Energy Publications [3765]
Information on ordering NREL publications, plus access to many full text publications
Solar Radiation Resource Information [3761]
Very large number of manuals, maps, data files, and publications on solar energy
Please report broken links by referencing the [number in brackets in grey].
Databases
How can you say luck and chance are the same thing? Chance is the first step you take, luck is what comes afterwards.
