PV solar power - Era-Energy has started to present local, national and global companies developing, exploring and promoting renewable energy sources. More »
The Earth energy sources - Earth’s energy comes from the original formation of the planet and from radioactive decay of minerals. The geothermal gradient, which is the difference in temperature between the core of the planet and its surface, drives a continuous conduction of thermal energy in the form of heat from the core to the surface. More »
Hydropower, hydroelectric power or water power is power that is derived from the force or energy of flowing or falling water, which may be harnessed for useful purposes. More »
The wind power is the ability of air movement to do work. Today, wind energy turbines are used mainly for production of electricity. It is a clean and renewable energy source that can produce enough electricity to power huge areas. More »
The energy of the wind is invisible and so powerful that has allowed humans to exploit the surface of the planet long before the discovering of electricity. More »
THE CZECH REPUBLIC – Energy Regulatory Office (ERO)
Ministry of Industry and Trade
SLOVAK REPUBLIC – Regulatory Office for Network Industries (RONI) / Úrad pre reguláciu sieťových odvetví (URSO)
RUSSIA – The Ministry of Energy
ROMANIA – National Energy Regulator
SLOVENIA – Energy Agency of the Republic of Slovenia
TURKEY – The Ministry of Energy and Natural Resources (ETKB)
Renewable energy news 
