Today the world's primary energy resources consist of oil, natural gas, coal and in addition nuclear and hydroelectric power plants. Since the last decade new energy resources were added to this list, such as wind and solar energy, which are rapidly increasing in usage. However, data for the last five years show that despite the wide utilisation of alternative energy resources worldwide, the need for traditional energy resources has not diminished. This once more shows how significant Azerbaijan, and its natu­ral energy resources, are for Europe and the world's economy.