Dogal Enerji Elektrik Uretim A.S. owned by  Polat Energy and Demirer Energy has first built and operated Burgaz WPP (14,9 MW) in August 2007. Dogal Energy's second wind power plant Sayalar WPP has started its operation in 27 June 2008. Sayalar Wind Power Plant, whose generation license is dated on 13 April 2004, is located in the city of Manisa, district of Sayalar, locality of Rahmanlar-Akkocalı-Gokcealan. Sayalar , in which 40 million Euros have been invested, has an installed capacity of 34,2 MW. The first turbines of the plant has been operating since May 2008 however the official opening of the power plant was done on 27 June 2008 by Mehmet Hilmi GULER ?Minister of Energy and Natural Resources, Soner Aksoy ?President of the Industry, Commerce, Energy, Natural Resources, Information and Technology Committee of The Turkish Grand National Assembly, Hasan Koktas ? President of Energy Market Regulatory Authority,  Adnan Polat -Chairman of Board of Directors of Polat Energy, Onder Demirer -Chairman of Board of Directors of Demirer Energy and Yalcin Erol Demirer -Deputy Chairman of Board of Directors of Demirer Energy.
During his speech at the ceremony Hilmi Guler Minister of Energy and Natural Resources said that "we are having an independence war in the energy sector. This battle can only be won by using our own resources and minimizing our dependency on the outside energy sources. After wind power plants, solar and geothermal energy plants will be connected to the system ." The Minister of Energy also emphasized that the private investments in the energy sector has been considerably increasing and that since they took office there was only 17 MW of  installed capacity of wind energy and today this number has reached 478 MW.

The President of Energy Market Regulatory Athority Hasan Koktas said that Sayalar WPP will be supplying electricity to 153.000 people.

Adnan Polat, Chairman of Board of Directors of Polat Energy, announced that until the end of 2010 they will connect 5 more wind power plants to the system and for that they will invest 450 million Euros. Polat also emphasized that the bureaucratical stages are the hardest part of these investments. "For the bureaucratical stages we kindly ask you to opend the road for us so as private investors we can accelarate these investments. We cannot see these plants just as electricity generators but as a source employment and development as well" . Polat said that next year in Soma, they will build one of the largest wind farms with a 141 MW installed capacity.

The 34 turbines with generation license in Sayalar wind farm can supply 92.200.000 kWh electricity which can meet 39.000 families' electricity demand.

Within the framework of contributing to decrease the emission of greenhouse gas, Sayalar Power Plant is one of the three wind power plants which received the VER Goldstandart Certificate in Turkey.