Abstract
Starting from the evolution of the primary energy production from renewable energy sources, in the EU-28, from 1990 to 2015, the paper emphasizes both the changes in the primary production volumes and the mutations in the share of their production in the total primary renewable energy production recorded, especially, in the second part of the analysed period. Based on them, models are identified and primary renewable energy productions for 2020 are estimated from renewable energy sources like: solid biofuels, hydropower, wind power, biogas, biodiesels and solar photovoltaic. Excepting the production of energy based on hydropower, significant increases are recorded for the other five renewable energy sources.
Highlights
The renewable energy production has been an objective for forty years, N
If until 2002 the annual growth rates have evolved between 5.54% in 1993 (4504.3 tonnes of oil equivalent (TOE)) and 0.36% (360.9 TOE) in 1999, in the period between 2002 and 2015 the annual growth rates have evolved between a maximum value of 9.89% in 2010 and a minimum value of 1.90% in 2014 that correspond to some absolute increases of 16132.3 TOE and, respectively, 3901.9 TOE
On the one hand, in absolute values, the highest increase has been recorded at the primary production of solid biofuels (49749.7 TOE), followed by de wind power (25889.2 TOE), biogas (14946.4 TOE) and biodiesels (11070.5 TOE)
Summary
The renewable energy production has been an objective for forty years, N. The exponential growth of the energy requirement, on the one hand, as well as the sustainable development imperatives J. Zaharia [4], on the other hand, have made the energy sources problem to become one of the most important concern of this beginning of millennium A. C. Dragomir [5], A. L. Dumitrescu [6] for most countries of the world
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