photovoltaic panel
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Solar Energy and Hydropower energy would you say these are good energy resources?
Im doing a project for science on energy resources and i happened to chose solar and hydro power energy. I need some opinions about them.. Are these good energy sources..Tell me what you guys think.
All power sources have drawbacks. The two you mention, like nuclear, are relatively clean, which is a plus.
Hydro is very cheap for the amount of energy we get, but our rivers are basically all dammed up already - there isn't a lot more hydropower we can get.
Solar is one of the most expensive ways to generate electricity on a utility scale, but could be the cheapest way to generate electricity on a homeowner scale, at least for many urban homes. Unless one has a stream running through their property to run a water wheel, or strong steady wind, the other choices for getting power are using a gas- or oil-powered generator, or buying retail electricity from the grid. The generator will cost more per kWh over the life of the system, and the grid electricity could be more or less expensive, depending on where one lives. At the moment, the grid is usually cheaper, but not in all parts of the country.
Here are some items that our software found on Amazon.
 Sunforce 39810 80-Watt High-Efficiency Polycrystalline Solar Panel with Sharp Module List Price: Sale Price: $499.95 You save: $200.04 (29%)  Eligible for free shipping!Availability: Usually ships in 24 hours  |
 2600mah Portable Externalsolar Power Charger for Iphone 4/4, Most Cellphones of Samsung, Motorola, Nokia, Sonyericsson, Htc and Mp3/mp4 Sale Price: $25.00 Eligible for free shipping!Availability: Usually ships in 4-5 business days |
 Lenmar PPUS20 PowerPort Solar Charger & Battery for Cell Phone/MP3/PDA/Gaming Devices, Charging Cable/Device Tip Adapters Sale Price: $82.71 Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Ensupra Grid Tie Inverter 500W,New Design,1Yr.Wrnty,25-46VDC to 110V/120VAC,Power from Solar Panel, Wind Generator, Hydro or Storage Battery,1 Year Full Warranty List Price: Sale Price: $229.00 You save: $70.00 (23%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 100 feet Bulk Solar Cable 12 AWG List Price: Sale Price: $70.00 You save: $29.00 (29%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 SpinRay Deck-mount bracket for "DeckPower" List Price: Sale Price: $89.00 You save: $110.95 (55%) Eligible for free shipping!Availability: Usually ships in 6-10 business days |
 Samlex SCW-20-2 Solar Panel Connection Wires Sale Price: $59.99 Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Powerfilm WeatherPro 15V 50mA Flexible Solar Panel PT15-75 Sale Price: $37.95 Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 300W Small Grid Tie Power Inverter Converter for Wind Turbine System DC 10.8-30V TO AC 90V~130V 92% Efficiecy List Price: Sale Price: $115.90 You save: $94.99 (45%) Eligible for free shipping!Availability: Usually ships in 1-2 business days |
 Sunforce 55222 AC - DC Power Converter, (Twin Pack) Sale Price: $33.10 Eligible for free shipping!Availability: Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your credit card will not be charged until we ship the item. |
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