PV Gap

Denise Said:

Could mirrors reflecting and focusing sunlight be used to make steam to power electric generators?

We Answered:

Yes.

Here is a link to an article about a power plant in Spain which does just that:
http://petrochemical.ihs.com/news-07Q2/e…

It is an 11-megawatt plant. These things are very feasible.

It will produce more than 300 megawatts by 2013.

It uses lots of mirrors to reflect and concentrate light at a single spot to heat water to drive turbines to create electricity.

€5 million was awarded to the project project because of its highly innovative approach by the EU.

Tracey Said:

How can I make my home self-sustainable in energy?

We Answered:

overall been green is not cheap, it most likely cost you more to transform your house to renewable energy then the saving you will get from it, for the time you are left to live in it. if the house is new and you are young and it is built in then over the life expectancy of the house it might be a good investment.

just an example i have researched is geothermal in a vertical well would cost about 50 000$ in canada and with winter time at -20 to -40°C that mean i still have to heat up the house to get to a normal living temperature. it would cost less per winter for heating but still the investment would take decades to be profitable. the question is how long before you will save not saving the environment. if you wish to save the environment then expense is futile. i for one have not that kind of money.