804 resultados para Renewable energy. Solar dryer. Forced convection. Licuri


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Social tariffs are, along with transfer payments and energy efficiency measures, an instrument to alleviate energy poverty. The name of the Spanish social tariff is “bono social”, and it was established in 2009. To qualify for bono social, the electricity consumer should meet any of the socioeconomic requirements stipulated by law and contract the electricity supply with a “comercializadora de referencia”, companies that are required to offer the bono social by law.Renewable energy cooperatives, a recent phenomenon in Spain, are not comercializadoras de referencia, so they are not obliged to offer the bono social. This does not mean there are no cooperative members at risk of energy poverty or vulnerable consumers.This study has two objectives. The first is to sketch the socioeconomic profile of members of the renewable energy cooperatives. The second is to analyze if these members are entitled to the bono social, or would be to other subsidized prices with different requirements to those of the bono social.For this purpose, we conducted a survey to members of the largest renewable energy cooperative in Spain, Som Energia. The results show that the members of renewable energy cooperatives are exposed to energy poverty risk, although its reach depends on the definition of vulnerable consumer.

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A key obstacle to the wide-scale development of renewable energy is that public acceptability of wind energy cannot be taken for granted when wind energy moves from abstract support to local implementation. Drawing on a case study of opposition to the siting of a proposed off-shore wind farm in Northern Ireland, we offer a rhetorical analysis of a series of representative documents drawn from government, media, pro- and anti-wind energy sources, which identifies and interprets a number of discourses of objection and support. The analysis indicates that the key issue in terms of the transition to a renewable energy economy has little to do with the technology itself. Understanding the different nuances of pro- and anti-wind energy discourses highlights the importance of thinking about new ways of looking at these conflicts. These include adopting a “conflict resolution” approach and “upstreaming” public involvement in the decision-making process and also the counter-productive strategy of assuming that objection is based on ignorance (which can be solved by information) or NIMBY thinking (which can be solved by moral arguments about overcoming “free riders”).

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The deployment of biofuels is significantly affected by policy in energy and agriculture. In the energy arena, concerns regarding the sustainability of biofuel systems and their impact on food prices led to a set of sustainability criteria in EU Directive 2009/28/EC on Renewable Energy. In addition, the 10% biofuels target by 2020 was replaced with a 10% renewable energy in transport target. This allows the share of renewable electricity used by electric vehicles to contribute to the mix in achieving the 2020 target. Furthermore, only biofuel systems that effect a 60% reduction in greenhouse gas emissions by 2020 compared with the fuel they replace are allowed to contribute to meeting the target. In the agricultural arena, cross-compliance (which is part of EU Common Agricultural Policy) dictates the allowable ratio of grassland to total agricultural land, and has a significant impact on which biofuels may be supported. This paper outlines the impact of these policy areas and their implications for the production and use of biofuels in terms of the 2020 target for 10% renewable transport energy, focusing on Ireland. The policies effectively impose constraints on many conventional energy crop biofuels and reinforce the merits of using biomethane, a gaseous biofuel. The analysis shows that Ireland can potentially satisfy 15% of renewable energy in transport by 2020 (allowing for double credit for biofuels from residues and ligno-cellulosic materials, as per Directive 2009/28/EC) through the use of indigenous biofuels: grass biomethane, waste and residue derived biofuels, electric vehicles and rapeseed biodiesel. © 2010 Elsevier Ltd. All rights reserved.