DIY Green Solar Energy

American Yossi Abramowitz, Kibbutz Ketura member Ed Hoflind, and their US-based partner David Rosenblatt have built Ketura Sun, Israel’s first commercial solar energy field. On these twenty acres of land in the Negev desert, 18500 photo-voltaic plates convert the sun’s energy into electricity. Only 1% of Israel’s electricity currently comes from renewable energy sources, but entrepreneurs like Abramowitz hope to change that. With funding from Siemens, Ketura Sun began operating last June, and it now generates nearly five megawatts for the national grid at peak performance. Although it’s a fraction of Israeli’s daily peak usage of 11000 megawatts, the Arava Power Company plans to build 50 more solar fields in the next five years. This is expected to greatly alleviate Eilat’s dependence on diesel. Israel has a national goal to generate 10% of its electricity using renewable sources by 2020, which will be 2.76 gigawatts. There is also an interim goal of 1.6 gigawatts by 2014, and the government expects 460 megawatts from solar power. Arava has plans for 500 megawatts capacity, and competitors are expected to add a further 1000 megawatts. This puts the country largely on schedule for the 2014 and 2020 targets, although some say the government is not doing enough. However, solar energy is still more expensive than natural gas, and analysts say removing restrictions on solar energy fields could result in price increases for consumers. SOT Arava Power Company President Yossi …

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3×6 Solar cells Part 2 Video this panel is doing ok for 1/2 3×6 solar cells Fun Making solar panels your self and Getting this Kind of Power from Cheap crack and Broken solar cells Its the lowest cost way to go and use old Storm Windows and Encapsulat the solar cells with Liquid EVA Solar cells Encapsulation will last for years or Mayan 2012 Calendar LOL

Hank explains the power of solar energy and describes how it may fit into our diversified energy future. Follow SciShow on Twitter: www.twitter.com Like SciShow on Facebook: www.facebook.com TAGS: solar energy, solar power, desert, power, watt, watts, coal, fossil fuel, natural gas, oil, nuclear, tidal, hydroelectric, wind, biomass, photovoltaic, photoelectric effect, edmund becquerel, efficient, efficiency, international space station, polysilicon, silicon, n-type, p-type, distributed power, concentrating solar power, power plant, plant, turbine, concentrated photovoltaic, CPV, gigawatt, hydrogen fuel cell, feasible, feasibility, law of conservation of energy, climate change, global warming, carbon, emissions, electric, electricity, scishow, science, infusion, hank green

13-year-old Aidan Dwyer developed a new way to collect solar energy, and along the way sparked a fierce debate among scholars and scientists. He joins the News Hub to tell his story.

This is a multi mirror array we made for Nippon Television. The array works well in the sun and also with multi high powered light sources.

How do you teach your kids where electricity COULD come from in the future? One way is to use a solar device, like the one demoed to me here, from www.changers.com. This isn’t just a solar device. It also is a social network that enables you to share how much energy you are producing — produce enough and you even get prizes online.

This video is the 3rd of a 3 part series to show what a homemade portable solar generator could do in a power outage. Conclusion: A portable solar generator can be a practical alternative to gas generators. When used with adequate planning and preparation, they will run a small compact freezer for extended periods without commercial power. Freezer packs, ice packs, etc will enhance the longevity of the battery between recharging by assisting in maintaining a constant temperature within the freezer thereby decreasing the number of times the compressor has to activate. ****SPECIFICS***** The freezer is 5.0 cu ft, 115V, 1.69Amps, and Startup Amps = 12A. All of this is on the label. After initial startup the kill-a-watt’s average read of the freezer is 96 Watts at .99Amps to 1.04Amps. I finished the experiment at 5:00 pm with an ending voltage of 11.19v (starting voltage was 13.07v). I started charging the battery with a speed charger (12v at 4Amps “medium battery setting”) around 5:30 pm so after aprox 5.5 hrs of charging, the battery was at 12.45v. To build your own, check out this video: www.youtube.com