Once again, the

Now the share of ... Using wind and solar energy while more expensive than traditional sources, and often just does not pay. 1 kWh of wind electricity costs an average of $ 0.15, solar - almost $ 0.2. For comparison, kilowatts of power, drawn up nuclear power plant, worth $ 0.03; HPS - $ 0.04, gas and coal-fired thermal power plant - $ 0.05 and $ 0.08 respectively.

However, the estimated research organization Worldwatch Institute, in 2007 in the development and production of renewable energy has been invested a record amount - over $ 100 billion. Most invested in projects related to wind and solar energy: 47 % and 30 % of the total investment.

Dividends received in 2007 the world produced 240 GWh of ... While the interest of eco-friendly energy gain is mainly research companies: annual investment in research ($ 100 billion ) is about 25 times higher than the value generated in the last year of ... But solar panels and wind turbines are becoming cheaper every year through the development of new technologies and economies of scale. A company has offered the first production of clean electricity at least for the price of coal, has a chance not only to return billions of dollars in investment in research, but also to become a monopolist in the new market.

P. S. Oil rises in price the last thirty years. this is clearly. can be seen here.

source.