Arizona Solar Center  
A comprehensive site that explores various solar technologies and their uses in Arizona. Includes educational materials for teaching solar energy in the classroom.

Wisconsun Solar Use Network  
Resources for individuals and organizations interested in locating solar energy systems on their home or building, including where to find funding, dealers, and PV modules.

Solar Energy Industries Association - SEIA  
The US trade association for solar energy and related businesses. Focused particularly on expanding domestic and international markets, and advocating for appropriate state and federal policies.

EREN - Solar Energy  
Many links on solar energy; from US DOE Energy Efficiency and Renewable Energy site. Provides information on energy efficiency and renewables.

DOE Photovoltaic Energy  
Online documents pertaining to photovoltaic energy, solar power, solar cells, and other related subjects.

SolarMission Technologies, Inc.  
SolarMission is committed to providing profitable, large-scale renewable energy generation power stations for the United States and the world's electricity markets.

Centre for Sustainable Energy Systems  
The Centre for Sustainable Energy Systems (CSES) at the Australian National University (ANU) is a leader in photovoltaics (PV) and solar thermal energy. The Centre has 40 staff and research students. Its work covers the spectrum from basic R&D through to commercial contract research.

National Center for Photovoltaics (NCPV)  
U.S. Department of Energy. Research and development, and information source on photovoltaics. Website includes a virtual library of online reference materials and photographs on photovoltaic technology, educational materials, links to commercial suppliers and other web resources.

MySolar 
Independent information on solar systems: products, prices, sales outlets, DIY design and sizing, solar electricity and solar hot water systems world wide.

Solar Radiation Research Laboratory (SRRL) 
A unique outdoor research facility for supporting renewable energy conversion technologies and climate change studies at the National Renewable Energy Laboratory (NREL).

Florida Solar Energy Center  
Research, training programs, and information about photovoltaic technology, other solar applications, energy-efficient building strategies, and related topics.

American Solar Energy Society  
Web site has information on membership and publications, as well as policy statements on topics related to renewable energy and electric utility restructuring.

Energy Science Projects and Activities  
Contains links to science projects and activities-for science fairs, class or home-to help students in grades K-12 learn about energy, particularly energy efficiency and renewable energy.

The Solar Living Institute 
A non-profit organization dedicated to environmental education at the Solar Living Center. Featuring workshops & interactive demonstrations in renewable energy and sustainable technologies.

California Solar Center  
The site is designed to be a prime source of information on solar energy activity in California.

European Association for Solar Energy  
Non-partisan European Energy Organization that is independent of industry, political institutions, and special interest groups. Promotes solar energy by conducting conferences and awarding a prize. Site has organization information (English and German).

National Solar Power Research Institute, Inc.  
Informative articles and project reports concerning solar power and related issues. Studies of both Earth-based and space-based solar power.

North Carolina Solar Center  
Some useful information on solar electric and other renewables. A little bit out of date in some areas.

Renewable and Electrical Energy 
Natural Resources Canada web site providing information on alternative energy,incentives for use and development,publications and learning tools for schools.

Solar Warrior Photovoltaic System  
Information about Kenneth and Gabrielle Adelman's huge backyard system in Corralitos, California, and their struggle with the power company.

Solar Electric Light Fund (SELF) 
A non-profit organization which promotes, develops, and facilitates solar rural electrification and energy self-sufficiency in developing countries.

The Photovoltaics Special Research Centre, UNSW  
Established and supported under the Australian Research Council's Research Centres Program. Includes information files, especially on the more technical issues of solar. (formerly the Centre for Photovoltaic Devices and Systems)

SESCI: Solar Energy Society of Canada Inc. 
Non-profit canadian organization, working to promote the awareness, understanding and use of solar energy in Canada. Includes information on photovoltaic uses, cost, sizing, northern climate considerations, and third world applications.

Institute of Energy Conversion (Delaware)  
The (IEC) at the University of Delaware is a multi-disciplinary laboratory devoted to research and development of thin-film photovoltaic cells. IEC's research program is complemented by an educational mission that enables both undergraduate and graduate students to obtain degrees while working with professionals engaged in solar cell research.

IEA Photovoltaic Power Systems Programme  
The International Energy Agency has come up with this website full of facts, figures, contacts, and event descriptions on photovoltaic energy.

US Department of Energy: PV  
An animated movie about how a solar cell works and information on the government's PV Program.

Solar Energy  
Contains information about how thin film solar cell can be incorporated into the roofing structures of buildings. CD available.