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Joaquin Altenber


Member Since: 11th November 2009
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No of Articles: 8
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22nd November 2009

What is a Renewable Energy Credit?

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 ...

22nd November 2009

What determines the financial viability of a wind farm?

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 Purc...

22nd November 2009

Wind turbine physics: factors affecting performance

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. ...

22nd November 2009

How many turbines do you need for a 100 MW wind farm?

Today, wind farms of various scales are cropping up all over the world. The growth of this industry is fueled by the designers and engineers who are developing newer turbines with more efficient designs, larger capacity and higher productivity. The number...

22nd November 2009

How much power is lost when transported to distant users?

There are several key factors that limit electricity transmission, such as the distance between the generator and the end user, the power of the original transmission, the material used to carry the electricity, and the location of transformers and capaci...

22nd November 2009

How will cap-and-trade affect wind energy?

Cap and trade Cap and trade is a regulatory system that sets a government limit on overall emissions of pollutants like the heat-trapping gases scientists have linked to global warming -- the "cap." Each company gets a certain amount of credits or perm...

22nd November 2009

The cost efficiency of wind energy

Although wind energy is not yet being utilized to its full potential, the growth of this industry has led to a marked decrease in energy generation costs over the last couple of decades. While its cost effectiveness is increasing with maturity, it is stil...

22nd November 2009

What are the carbon offset benefits of a wind farm?

With all the stress on the environment today, carbon and greenhouse gas (GHG) reduction has become a major issue. With more than 20 million tons of carbon dioxide being produced globally each year; reducing carbon emissions, curtailing waste, and producin...