Comments for Cheap Solar for Home

Comment on Green Energy Support by Government by Marta

Marta — Mon, 13 Jul 2009 00:42:32 +0000

I found this article interesting:
In Canada the Federal and Provincial governments jointly announced an investment of 2.8 million $ to enable one of the universities to heat and cool buildings using a Geothermal system, create a green sustainable building campus model and reduce green house gas emissions.

Comment on Statistics by Bandeh

Bandeh — Sun, 03 May 2009 20:21:15 +0000

In a global level, I am not sure.

However in Canada based on a research done by CMHC and its partners: The Canadian residential sector consumes 16% of Canada’s total secondary energy, resulting in about 70 Magatonnes of greenhouse gases being released a year.

Comment on Green Energy Support by Government by Randy

Randy — Thu, 30 Apr 2009 03:44:39 +0000

The high cost of developing comprehensive and customized legal and financial documentation can be a critical barrier to the implementation of energy efficiency, renewable energy and cogeneration projects. In support of RETScreen’s goal of reducing the transaction costs associated with implementing clean energy projects, the RETScreen Clean Energy Legal Toolkit has been developed. See the link below:
http://www.retscreen.net/ang/legal_aspects_of_energy_projects.php

Comment on Harvesting The Sun! by Susan

Susan — Fri, 10 Apr 2009 19:15:47 +0000

For every type of development there is a main requirement. That is having resources available. I am sure if the existing companies who make PV solar panels had extar money, they would have thrown it at research and development.

Comment on Solar Heating by alfred

alfred — Sun, 22 Mar 2009 20:47:54 +0000

There are panels that absorb heat from the sun, heats up the circulating water inside. The energy stored in the water can be transfered to your hot water tank.

It might not be cheap, but in some cases it is the only option.

Comment on Green Energy Support by Government by Willy

Willy — Sat, 21 Mar 2009 21:37:42 +0000

Arizona seems to be a Solar State. Code Electric, one of the electrical contractors has located a new 6,600 sq. ft. facility in Tempe and will create 75 jobs.

Comment on Wind Energy by Bandeh

Bandeh — Thu, 19 Mar 2009 22:57:13 +0000

How about the cost. I mean, using both the solar and wind sounds like a good combination, but wouldn’t be costly?

Comment on PV by John

John — Thu, 19 Mar 2009 04:00:31 +0000

The basic idea behind photovoltaic or solar cells can be described as:
You start with semiconductor material like silicon. When this is properly “doped” with impurities, p-n junction is formed. When light (like the light from the sun) hits this junction, some of the light’s energy gets trapped. When this happens, some of the material’s electrons get knocked loose and move around freely.

The p-n junction produces an intrinsic electric field. In the presence of this field, the loose electrons will all move in one direction. Metal contacts on the edges of the semiconductor catch the moving electrons and let them travel onto wires. This is the electricity that you get back.