Goals set by governments in energy field can be various. However, financial regulations can also vary depending on geopolitical location, sources, economical structure and other prioritized policies of the countries. Modern energy policies basically prioritize energy safety, efficiency, diversity and their environment-friendly features. In this study, financial regulations in the field of energy at world will be analyzed and the impact of financial regulations will be ascertained. Energy

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... r price is calculated by taking taxes, CO2 emission pricing and subsidies into account. CO2 emission pricing resulting from emission top level and trade or carbon taxes affects investment decisions in energy industry by changing the costs of other competitive sources. In addition to this, major types of energy subsidies are fossil source subsidies and renewable energy subsidies. Financial policy tools in EU can be listed as energy taxation, EU emission trade system and incentives for renewable energy. Legal regulations affecting energy field in Turkey can be examined in three categories; energy taxation, tax expenditures and support mechanisms. Tax expenditures and support mechanisms covering tax exemption, exception, reduction and similar practices in energy field are provided to both producers and consumers. As a result, activating energy policies depends on decisions of many industries and individuals especially in transportation, industry and residence. These regulations mentioned in this study will be the most important tool in guiding rational preferences of the agents on generation, distribution, consumption and savings, if they are planned according to energy policies.