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In remote, hard-to-reach areas, renewable energy resources such as the sun or wind are available and can be used to produce green electricity at competitive prices. The disadvantage is that we do not always have the source of energy available (sun at night or continuous wind). This disadvantage can be overcome by using hybrid combinations of two or more renewable energy sources together with the storage of the energy produced, thus ensuring the supply of electricity at very good performance levels and with low cos...

Renewable resources? share in meeting the power balance in Romania grew constantly during the past decade. Therefore, the contribution of polluting energy sources (such as coal or oil) has progressively reduced. Moreover, to enable environmental impact mitigation for the still operating classical plants, proper desulphurization equipment were installed. It is remarked that the shares corresponding to hydro-energy and nuclear energy show an almost constant trend. Sensible investments were made in the energy sector,...

The use of renewable energy is discussed, monitored and regulated by organizations all over the world in the current context of transition to green economies. Moreover, the focus of the debates in the scientific world is targeted towards emissions reduction which has become one of the most significant impact assessment tool of the renewable energy use. By the extensive review of the publications regarding energy access and the monitoring of sustainable development around the world, it can be concluded that the dat...