Monthly Archives: November 2009

How much money would it cost if we used solar energy and kinetic energy to supply the united states?

I need to know how much money it would cost to supply the entire united states with kinetic, wind, solar, and hydro-electric energy THANKS!!!! Concentrating solar energy collectors with liquid salt heat storage for nights and cloudy days would need … Continue reading

Posted in solar energy | 5 Comments

will u correct one more paragraph?

There are some opposite assertions here. They blame my opinion because they are saying it is too pessimistic, and human will not be ruined unless there won’t remain a love. There claims are like these. We are in the middle … Continue reading

Posted in solar energy society | 3 Comments

What are some advantages and disadvantages of using solar energy, wind energy, and hydroelectric energy?

help Solar Energy: For us to MASS-PRODUCE it, meaning our reliance on it is like more than 50% of the whole world population, we would need to clear off large areas of land to put the solar panels there. Advantage- … Continue reading

Posted in wind solar energy | 6 Comments

what energy can be replaced by solar photovoltaic cells?

Anything that can use electricity? Most electricity is provided by coal and gas right now. So generally solar will replace coal and/or gas.

Posted in photovoltaic solar energy | 2 Comments

Survey: What is your personal oppinion of the most promising renewable energy source?

What is your personal oppinion of the most promising renewable energy technology? Whether solar, hydro, hyrdrogen, geothermal, ect. or even a combination of technologies? you cannot scale up hydro or geothermal. there is a limit. wind and solar are better, … Continue reading

Posted in solar energy technology | 5 Comments

How would you build a Solar Panel that can convert Sunlight to Energy, just being on your house roof?

Well, I am looking for a cheap way on building a solar panel, instead of buying by the manufacturing stores. I would like to stay in the budget up to 1,000 dollars. I want to have Solar Energy for my … Continue reading

Posted in solar energy panel | 4 Comments

Do solar panels require more energy during manufacturing than they produce over their lifetime?

A friend told me that the energy required to manufacture a solar panel is greater than what the panel is expected to produce during its lifetime, thus making them inefficient and unsustainable, and I have not been able to find … Continue reading

Posted in solar energy panels | 6 Comments

What is Solar thermal energy?

We have a report tomorrow and I need help…Badly! Thanks for those who are going to give the answer. Solar thermal captures the heat from the sun. This can be used for: solar cooking, http://www.altestore.com/store/Energy-Efficient-Products/Solar-Ovens/Global-Sun-Oven/p1654/, solar water heating, http://www.altestore.com/store/Solar-Water-Heaters/Climate-freezes-Closed-Loop-Systems/Closed-Loop-Systems-for-1-4-People/Closed-Loop-PV-Powered-w-Tank/AET-PV-w-80-Gal-Tank-64-SqFt-Collectors/p172/, solar … Continue reading

Posted in solar thermal energy | 4 Comments

How much money to build SOLAR PANEL (solar energy system)?

I read this article on good things about solar energy. and it said ‘Solar panel construction has advanced significantly in the last 20 years and can withstand almost any weather condition. It is not even that expensive since technology has … Continue reading

Posted in solar energy systems | 4 Comments

We are looking for solar power energy for our house to run our appliances but…

It is really expensive… we heard on the tv that the government will help pay for it. Is this true? If so how do I find out how much and how we apply? I did try to look it up … Continue reading

Posted in solar power energy | 9 Comments