Wind turbine physics: factors affecting performance

(Thu Nov 12th, 2009, by Bhawesh Sachar)

The efficiency of wind turbines depends on various factors such as location, geographical factors, mechanics, rotor shape/ size, etc. Output can be regulated by a constant or variable rotational speed, as well as adjustable and non-adjustable blades....

What determines the financial viability of a wind farm?

(Thu Nov 12th, 2009, by Bhawesh Sachar)

Revenue The profitability of a Wind Farm depends on the type of wind turbine used, construction costs, performance of wind turbine generation, Operations and Maintenance (O&M), land lease/ royalty payments, and wholesale energy prices from a Power Pu...

What is a Production Tax Credit?

(Thu Nov 12th, 2009, by Bhawesh Sachar)

The Production Tax Credit (PTC) was originally authorized by the Energy Policy Act of 1992 to provide a 10-year, inflation-adjusted tax credit based on the energy produced by qualified wind, solar, geothermal, “open and closed-loop” bioenergy –...

What is a Renewable Energy Credit?

(Thu Nov 12th, 2009, by Bhawesh Sachar)

Renewable energy credits (RECs), also known as credits, green certificates, green tags, or tradable renewable certificates are tradable certificates of proof that one MWh of electricity has been generated by a renewable-fueled source. Customers can...

Toxic Chemicals in "green" products?

(Thu Nov 12th, 2009, by Duane Faitel)

While reading a Health Magazine I came across the most incredible article outlining toxic chemicals in “green” products.  I knew that being environmentally conscious was important but I had no idea about the dangers of what we are putting into o...

What Can Make Living More Livable?

(Wed Nov 11th, 2009, by Knight Pierce Hirst)

According to a variety of research, a little stress can be healthy. All stress produces destructive free radicals and hormones like cortisol, but the body starts healing as soon as it senses damage. If the stress is short-term, the body heals quickly...

2012 Secrets - Secrets of 2012 Revealed

(Wed Nov 11th, 2009, by William Ansac)

It seems like everybody has a different story about the 2012 secrets, but could it be just a hoax meant to make people go crazy? The secrets of 2012 are finally revealed! There are many predictions about the year 2012, some backed up by facts, and m...

Are All Winners Created Equal?

(Wed Nov 11th, 2009, by Knight Pierce Hirst)

Bjorn Halvard Knappskog, a 19-year-old student from Norway, won the 2009 Monopoly World Championship. Players from 41 countries participated in the 2-day tournament. The games were played in English, with interpreters to help with Monopoly negotiatio...

Climate Change

(Tue Nov 10th, 2009, by Ian Bishop)

Now, I’m English. No people in the world talk about the weather as much as the English. That’s because we have so very much of it. In fact, look at the word I used. Other countries, regions, people talk about “climate”. England has “weather...

Killer Country

(Tue Nov 10th, 2009, by John Kozy)

Oh, the wailing, weeping, and gnashing of teeth over last week's killings at Fort Hood!—a tragic instance of what Americans call an "isolated" event that happens almost daily. The very next day, Jason Rodriguez walked into an office building in Fl...