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pr *
4.5
(si*)
<10
8
  • Solar Energy International
  • www.solarenergy.org
  • Classroom and hands-on education for practical applications in solar power, wind power, water power, and energy efficient building designs. Also offers energy awareness through youth camps and in-school activities.
4.3
(si*)
-
6
  • Ökoportal: Ecoportal
  • oekoportal.de
  • Worldwide directory of clean and renewable energy related companies, products and news (biomass, photovoltaic, solar thermal, hydrogen, wind, geothermal, fuel cell). Multilingual
4.2
(si*)
>160
7
  • The Green Optimistic
  • www.greenoptimistic.com
  • Blog promoting alternative and renewable energy inventions and resources.
4.1
(2)
-
5
  • Renewable Energy Focus
  • www.renewableenergyfocus.com
  • The international renewable energy magazine of the International Solar Energy Society.
4.0
(si*)
-
5
  • Sandia's Photovoltaic Systems Project
  • photovoltaics.sandia.gov
  • Details on focused research and systems development integrated with the needs of manufacturers and users of systems and components. Features technical guide and overview of projects.
4.0
(si*)
-
5
  • RenewableEnergyWorld.com
  • www.renewableenergyworld.com
  • A portal for renewable energy information. News, links to products and companies, calendar of events, and contact information.
3.9
(1)
>600
6
3.9
(si*)
>20
6
  • Solar Today Magazine
  • www.solartoday.org
  • Bi-monthly magazine that covers all renewable energy technologies, including photovoltaics, passive solar and other climate-responsive building, and wind power.
3.9
(si*)
>10
5
  • HCI Publications
  • www.hcipub.com
  • Hydro information, water power magazines, hydropower newsletters, conferences, books, North American hydro market, business and regulatory news, plant management, sustainable and renewable energy.
3.8
(si*)
-
6
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