Publicado

2019-05-01

Las energías renovables a escala urbana. Aspectos determinantes y selección tecnológica

Renewable energy in urban areas. Critical aspects and technological selection

Energie renouvelable à échelle urbaine. Aspects critiques et sélection technologique

Energias renováveis em escala urbana. Determinando aspectos e seleção tecnológica

DOI:

https://doi.org/10.15446/bitacora.v29n2.65720

Palabras clave:

energías renovables, sostenibilidad, autosuficiencia energética, planificación urbana (es)
renewable energy, sustainability, energy self-sufficiency, urban planning (en)
énergies renouvelables, durabilité, autosuffisance énergétique, urbanisme (fr)
energia renovável, sustentabilidade, auto-suficiência energética, planificação urbana (pt)

Autores/as

Tanto por deterioro ambiental como por efectos del calentamiento global, es necesario modificar el desarrollo urbano. Así, surge la necesidad de promover políticas públicas y una planificación organizada que incluya conceptos del aprovisionamiento energético con recursos urbanos internos para mitigar la presión que las ciudades infringen al ambiente. La tecnología actual posibilita que la ciudad cambie de modelo energético tradicionalmente basado en importar recursos externos, no obstante, es necesario revisar tecnologías que aprovechan los recursos urbanos para el autoaprovisionamiento. A través de encuestas a expertos internacionales y su discernimiento, se determinan las opciones tecnológicas que podrían modificar la matriz energética urbana, así como aspectos necesarios para su promoción. Se concluye que la energía solar, tanto fotovoltaica como solar térmica, despiertan, por ahora, el mayor interés entre las alternativas evaluadas, y que costos y regulaciones pueden ser aspectos determinantes para expandir su uso.

Environmental deterioration including the effects of global warming will require changes in the way in which the city is conceived. Thus, the need arises for public policy and planning to include the development of energy provided from cities own resources. Given the stresses that cities place on the environment, the proposed changes must be selected so as to promote sustainability. Current technology allows a city to modify how energy is provided in response to external sources. This article presents a set of technologies that could take advantage of urban resources for energy supply. Experts from several countries were surveyed to identify technologies that will have an impact on the urban energy matrix, and to identify morphological, social, and other key aspects of selection. Solar energy, both photovoltaic and thermal, were found to elicit the greatest interest among the technologies evaluated. Besides costs, politics and regulations were identified as possible determining factors when developing energy resources within cities.
En raison de la dégradation de l’environnement et des effets du réchauffement de la planète, il est nécessaire de modifier le développement urbain. Il devient nécessaire de promouvoir des politiques publiques et une planification organisée intégrant les concepts d’approvisionnement en énergie utilisant des ressources urbaines internes, compte tenu de la pression que les villes exercent sur l’environnement. La technologie actuelle permet à la ville de modifier le modèle énergétique en fonction de ressources externes. Pour cela, il est nécessaire d’examiner les technologies qui exploitent les ressources urbaines pour l’auto-approvisionnement. Des enquêtes auprès d’experts internationaux, leur comparaison et leur discernement ont permis de déterminer les options technologiques susceptibles de modifier la matrice énergétique urbaine, ainsi que les aspects nécessaires à sa promotion. Il a été conclu que l’énergie solaire, tant photovoltaïque que solaire, suscitait pour l’instant le plus grand intérêt parmi les alternatives évaluées. Il a également été constaté que les coûts et la réglementation peuvent être des facteurs déterminants pour étendre son utilisation.
Expectativas contra a degradação ambiental, incluindo os efeitos do aquecimento global, o desenvolvimento urbano exigem mudanças. Assim, a necessidade de políticas públicas e planejamento organizado, que inclui conceitos relacionados ao fornecimento de energia com recursos urbanos internos surge. Dada a enorme pressão exercida pelas cidades sobre o meio ambiente, inclui propostas que promovam a sustentabilidade. A tecnologia atual permite que a cidade de mudar seu modelo de energia com base em recursos externos. Este trabalho apresenta um conjunto de tecnologias que aproveitam os seus próprios recursos para fornecimento de energia urbana. Em seguida, por meio de pesquisas de especialistas de vários países, opções tecnológicas que poderiam ter uma oportunidade para modificar a matriz energética urbana, bem como aspectos fundamentais para a promoção foi determinado. Conclui-se que tanto fotovoltaica e, a energia térmica solar desperta o maior interesse até agora nas alternativas avaliadas. Da mesma forma, os custos e os regulamentos podem ser a determinação de quando a expandir seus aspectos de uso.

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