The energy sector is one of the most active application domains being forced to re-think the current practice and apply data-management based IT solutions to provide a scalable and sustainable supply and distribution of energy. Challenges range from energy production by seamlessly incorporating renewable energy resources over energy distribution and monitoring to controlling energy consumption. Decisions are based on huge amounts of empirically collected data from smart meters, new energy sources (increasingly RES - renewable energy sources such as wind, solar, hydro, thermal, etc), new distributions mechanisms (Smart Grid), and new types of consumers and devices, e.g., electric cars.

The energy sector is in transition–being forced to rethink the current practice and apply data-management based IT solutions to provide a scalable and sustainable supply and distribution of energy. Novel challenges range from renewable energy production over energy distribution and monitoring to controlling and moving energy consumption. Huge amounts of “Big Energy Data,” i.e., data from smart meters, new renewable energy sources (RES–such as wind, solar, hydro, thermal, etc), novel distributions mechanisms (Smart Grid), and novel types of consumers and devices, e.g., electric cars, are being collected and must be managed and analyzed to yield their potential.

In this paper I investigate the energy cooperation between the EU and Russia from the political and economic points of view. The relevance of the issue is due to the growing role of energy sector, the need for security of energy supply and demand and for political and economic balance of power in the region, and closer economic integration. Two theoretical approaches, geopolitical and bureaucratic, guiding the research, explain the behavior of protagonists. To better understand the present level of cooperation I analyze the background and dynamics of EU - Russia energy trade relations. As a case study, I investigate the Nord Stream project as an example of successful cooperation of Germany as an EU member state and Russia in this field. I discuss challenges for the healthy mutual partnership in the energy sector, namely, high politicization of the issue, monopolization of Russian energy sector and low sustainability of Russian economic development, and mistrust between the protagonists. I attempt to identify possible policy changes aimed to improve this cooperation and achieve fruitful partnership, security and stability. Key words: Russia, EU, energy, cooperation, Realpolitik, international relations, oil, gas, energy dialogue, ECT, security, balance of power, geopolitics, interest groups,...

Les collectivités territoriales s’affichent comme des acteurs majeurs du secteur énergétique.Cependant, leur relation est empreinte d’une certaine ambiguïté du fait du caractère éminemmentstratégique du second. S’il apparaît qu’au début du XXe siècle les collectivités territoriales assumaient,à travers la distribution d’énergie, un véritable service public local, la réalité d’un tel caractère estaujourd’hui contestable. La nationalisation de 1946 a en effet eu pour conséquence de remettreprofondément en cause l’exercice de cette compétence, lui faisant perdre son caractère effectivementlocal. Malgré la récente libéralisation du marché de l’énergie, les collectivités territoriales ne se sontpas réapproprié ce rôle. Elles semblent toutefois trouver progressivement une nouvelle légitimité dansce domaine à la faveur des préoccupations occupant des places de plus en plus importantes que sontla sécurité d’approvisionnement et la protection de l’environnement. Ce travail se propose d’étudier lesinteractions entre les collectivités territoriales et l’énergie à travers la problématique de ladécentralisation. Le secteur énergétique, aussi stratégique soit-il n’empêche pas la mise en placed’une certaine forme de décentralisation. Les collectivités territoriales ont un rôle important à y jouermême s’il ne saurait concerner ce secteur dans sa globalité. Elles sont ainsi passées de la prise encharge d’une activité industrielle et commerciale à une implication grandissante dans le domaine del’énergie à travers le prisme environnemental. / Local authorities present themselves as key players in the energy sector. However, the relationshipbetween energy and local authorities is quite ambiguous due to the eminently strategic nature ofenergy. If, at the beginning oh the XXth century, local authorities were in charge of a real local publicservice through energy supply, the reality of such a trait is today disputable. The 1946 nationalizationled to question the real local nature of energy supply. In spite of recent energy market liberalization,local authorities could not recapture their traditional function. However, they gradually seem to find anew energy legitimacy by owing to more and more important concerns : environmental protection andenergy supply safety. This study intends to analyze interactions between local authorities and energythrough a decentralization problematic. Energy sector, as strategic as it is, does not prevent fromintroducing a certain form of decentralization. Local authorities have a key role to play, even if it doesnot concern the global energy sector. Thus, from an industrial and commercial taking on, localauthorities are becoming more and more involved in energy sector through the environmental prism.

Atualmente é de complexa equalização o problema advindo da elevação da demanda energética e das ações antrópicas que corroboram para o aquecimento global e, neste sentido, apesar de o Brasil ser abundante em hidroeletricidade, há ainda um grande espaço para o uso de outras fontes renováveis de energia, como a biomassa residual. Na indústria, projetos de adoção de novos e eficientes processos para a redução da carga térmica, bem como o uso de biomassa e de biogás das estações de tratamentos de efluentes podem ser um diferencial no conjunto de soluções para o dilema energético-ambiental, uma vez vão ao encontro dos objetivos das políticas energéticas globais em vigência, as quais pregam a segurança e sustentabilidade. Porém, verifica-se que tais medidas ainda têm sido desprezadas por muitas empresas, pois os investimentos são ainda muito elevados, ressaltando-se ainda que, talvez por não se entender como esses projetos podem internalizar as externalidades positivas que os acompanham, essas empresas seguem alheias aos benefícios socioambientais e econômicos advindos dos créditos de carbono, que podem compensar os altos investimentos realizados em racionalização energética. Desta maneira, essa dissertação analisa a viabilidade econômica da implantação de projetos de substituição de combustíveis fósseis por biomassa renovável para geração de vapor de processos; de uso de biogás de ETEs para geração de eletricidade e de implementação de tecnologias para a redução do consumo de vapor industrial, com foco em cervejarias, considerando-se nas análises econômico-financeiras os créditos de carbono recebidos pelas reduções de emissões de gases de efeito estufa. Pelas análises de cenários, verificou-se que quando as medidas de eficiência energética reduzirem pelo menos 5% da demanda energética, com um custo de energia de pelo menos R$ 187,50/MWh, bem como reduções de consumo de energia acima de 10%, com custo energético mínimo de R$ 122,50/MWh, e preço de das RCE acima de 5,00, os projetos mencionados são viáveis, e as receitas dos créditos podem internalizar as externalidades positivas desses projetos, compensando os investimentos. / Nowadays it´s quite complex to solve the problem between energy demand growth and the human activities, which have negative, widespread effects on the global climate. In this sense, apart from the fact that Brazil adopts massivelythe hydropower, there is a large potential for the use of renewable energy sources, as biomass. In process industries, techologies for reducing thermal energy consumption associated with the use of the sustainable biomass and biogas from wastewater treatment systems can be one among other solutions for equalizing the energy-environment dilemma, also targeting the prorrogatives of the current global policies on safety and sustainable energy sypply. Anyway, such measures have still been left aside by many industries, because it´s still not properly understood regarding the way these projects can internilize their positive externalities, some enterprises keep distant from the social, economic and environmental beneffits that carbon credit projects can bring up to help them in succeeding and rationalizing energy consumption. This dissertation evaluates and assesses the economic viablitity of projects of fuel switch (from fossil fuels to renewable biomass); use of biogas from industrial wastewater treatment systems and also the implementation of technologies and processes for reducing steam comsumption, focusing on breweries. By means of economic sceneries, it´s shown that the revenues from carbon credits can significantly have positive impacts, while financial incentives, on the decision making process towards the carrying and dissemination of such projects. As demonstrated in this work, the RCE, if required in the sceneries analysed, can bring the cash flows whithin brewery IRR expectations. Hence, the model showed that when measures of energy afficiency achieve at least 5,0% with the price of energy saved is of at least R$187,50/MWh, and for measures above 10% and energy is bought at prices higher then R$ 122,50/MWh, all projects with CER prices above 5,00 viable, and can be conducted. Also, the revenues from carbon credits can make industries wake up for the fact that they can internalize the positive externalities of these projects, once the high investiments can be compensated by their carbon offsets.

Made available in DSpace on 2016-04-26T20:29:08Z (GMT). No. of bitstreams: 1 Daniel de Lima Passos.pdf: 1134692 bytes, checksum: 7174ed9150b34afd0b4977a17a7187c4 (MD5) Previous issue date: 2009-05-20 / The subject of this paper is to study the disconnection of the energy supply from the point of view of Consumer Protection Law and to discuss the possibility of the disconnection of this type of public service when faced with an individual customer's failure to pay. Although judicial precedent for this matter has already been agreed, to a certain extent, before the Superior Justice Tribunal, the subject is still the source of heated debate, especially as it deals with the denial of the customer's right to maintain the availability of this resource (electric energy). Such an initiative stemmed from our concern about the applicability of the norm in favor of the consumer, which at times is unconditional and doesn t evaluate the real case. The fulfillment of the contract is necessary for its continuity. Failure to comply could result in the reversal of the current legal order and clear social harm not just individual harm. Thus it was attempted to put into context the legal possibility of disconnection according to the sector's legislation and consumer law. As such, to start with, the proposal of this paper is to outline the history of electric energy in Brazil, its legal structure and the players in the market. Finally, without forgetting the social benefit of this necessary public resource, the conclusion is that as long as legal procedures are followed an individual costumer's failure to pay should result in the disconnection of the energy supply as this is for the social good / Este trabalho apresenta como temática de estudo a suspensão do fornecimento de energia pela ótica do Código de Defesa do Consumidor e discute a possibilidade de suspensão deste tipo de serviço público ante a inadimplência do consumidor singular. Embora já exista jurisprudência sobre essa questão, de certa forma pacificada, perante o Superior Tribunal de Justiça, o tema ainda é objeto de acalorados debates, sobretudo por se tratar de privação de um direito do consumidor em permanecer com a disponibilidade desse insumo (energia elétrica). Tal iniciativa derivou da preocupação com a aplicabilidade da norma protetiva, às vezes incondicional, em favor do consumidor sem que fosse avaliado o caso concreto e mesmo se olvidando de que a contraprestação do serviço é fundamental para sua continuidade, sob pena de inversão da ordem legal atual e claro prejuízo social não mais individual. Assim, procurou-se contextualizar a possibilidade legal de suspensão face à disposição da legislação setorial e do Código de Defesa do Consumidor. Para tanto, o trabalho se propôs a esboçar um histórico da energia elétrica no Brasil, seu arcabouço legal, identificar quem são os players desse mercado. Por fim, sem olvidar a função social desse bem público de primeira necessidade e desde que respeitados os procedimentos previstos em lei, chegou-se à conclusão de que suspensão do fornecimento de energia, como forma de maior alcance social, é medida legal e necessária ao consumidor singular inadimplente

Made available in DSpace on 2016-12-23T14:07:25Z (GMT). No. of bitstreams: 1 Texto.pdf: 1767882 bytes, checksum: f8f65214aa10171d5d8bab0355646542 (MD5) Previous issue date: 2009-10-05 / No Brasil, até pouco tempo atrás, a qualidade da energia elétrica estava relacionada, basicamente, com interrupções do fornecimento de energia e a certas cargas especiais da indústria. Porém, nos últimos anos, sob a direção da agência reguladora do setor, a ANEEL (Agência Nacional de Energia Elétrica), juntamente com especialistas, a área de qualidade da energia elétrica passou a receber uma atenção significativa, sendo legislada e adquirindo suas regulamentações iniciais. A área de Qualidade da Energia Elétrica passou, então, a formalmente existir e abranger um conjunto maior de fenômenos e eventos da rede elétrica. Em função dessa recente regulamentação, este trabalho apresenta o projeto de um medidor da qualidade da energia elétrica. Um dos focos do medidor é ser de baixo custo, tornando-o viável para o uso em grande escala. Este medidor é um sistema eletrônico que processa digitalmente os sinais de tensão da rede elétrica, extraindo os dados relacionados à qualidade da energia elétrica; tais dados são armazenados localmente e, posteriormente, acessados remotamente e enviados para um banco de dados, de forma que possam ser analisados. / Some years ago in Brazil the power quality was related, basically, with interruption of supplied energy and certain special loads of industry. In recent years, however, under controls of the regulating agency ANEEL (Agência Nacional de Energia Elétrica) and with specialists, the power quality area received the due attention and was legislated and acquired regulations. So, finally, the area of Power Quality was formally created and now it embraces several electrical phenomena and events. Because of the new regulations, this work presents a project of a power quality meter. One of meter s focuses is to be a low cost system and becomes able to be used in large scale. This power quality meter is an electronic system that processes the voltage signal of electrical network and extracts data related to power quality; the data are locally stored and after they are remotely accessed and transmitted to a data base to be analyzed.

La croissance de la consommation par les villes de ressources naturelles est un facteur déterminant dans l’altération de la biosphère. Pour comprendre le processus du changement du rapport entre la ville et la biosphère, transition socioécologique dans le cas particulier de la ville, nous avons caractérisé la ville comme étant tributaire de la ressource externe en termes matériel et écologique. On s'intéresse dans ce travail à la relation entre la demande en énergie de la ville, l'évolution du système d'approvisionnement urbain et extra urbain en énergie, et le bassin d'approvisionnement en ressource énergétique avec le cas de l'agglomération parisienne. Pour ce faire, nous avons d'une part tenté d'évaluer la pression environnementale effectuée pour la consommation énergétique urbaine, métabolisme urbain, en utilisant la méthode d'analyse de flux d'énergie et de matière (AFME). L'AFME s'intéresse à mesurer le métabolisme d'une société et inclut par conséquent la consommation énergétique technique (pour le chauffage, le transport, l'industrie) ainsi que l'alimentation humaine et animale consommée dans la ville. La consommation énergétique urbaine est évaluée par la demande énergétique totale (DET), indicateur de pression environnementale, dans le but de mesurer la consommation d'énergie primaire en amont pour l'approvisionnement en énergie finale du territoire. On essaie ensuite de mettre en parallèle l'évolution de la DET pour l'énergie technique et l'évolution du rayon d'approvisionnement de cette dernière au fur et à mesure de la croissance urbaine. / Increasing urban natural resource consumption and particularly fossil energy consumption is one of the important factors of global environment alteration. To understand the socioecological transition process for the city, we characterize it as a natural resource dependent system in material and ecological terms. Cities mobilize a technical system to draw the external natural resource. Therefore, externality is a fundamental character of urban metabolism. We focus in this work on the relationship between the energy demand of the city, the evolution of the urban and extraurban energy supply system, and the energy resource supply area of Paris. We used energy and material flow analysis (MEFA) to evaluate environmental pressure driven by city's energy consumption, urban metabolism. MEFA aims to evaluate social metabolism, therefore energy demand including both the energy for technical system and bioenergy for food and forage provision for a society. Particularly, total energy requirement (TER) refers ta primary energy consumption, an indicator to evaluate the environmental pressure. Furthermore, we try to view the energy demand for the technical energy increase of the city in parallel with its energy supply area tor three dates chosen during the 19th and 21th centuries.

Atualmente é de complexa equalização o problema advindo da elevação da demanda energética e das ações antrópicas que corroboram para o aquecimento global e, neste sentido, apesar de o Brasil ser abundante em hidroeletricidade, há ainda um grande espaço para o uso de outras fontes renováveis de energia, como a biomassa residual. Na indústria, projetos de adoção de novos e eficientes processos para a redução da carga térmica, bem como o uso de biomassa e de biogás das estações de tratamentos de efluentes podem ser um diferencial no conjunto de soluções para o dilema energético-ambiental, uma vez vão ao encontro dos objetivos das políticas energéticas globais em vigência, as quais pregam a segurança e sustentabilidade. Porém, verifica-se que tais medidas ainda têm sido desprezadas por muitas empresas, pois os investimentos são ainda muito elevados, ressaltando-se ainda que, talvez por não se entender como esses projetos podem internalizar as externalidades positivas que os acompanham, essas empresas seguem alheias aos benefícios socioambientais e econômicos advindos dos créditos de carbono, que podem compensar os altos investimentos realizados em racionalização energética. Desta maneira, essa dissertação analisa a viabilidade econômica da implantação de projetos de substituição de combustíveis fósseis por biomassa renovável para geração de vapor de processos; de uso de biogás de ETEs para geração de eletricidade e de implementação de tecnologias para a redução do consumo de vapor industrial, com foco em cervejarias, considerando-se nas análises econômico-financeiras os créditos de carbono recebidos pelas reduções de emissões de gases de efeito estufa. Pelas análises de cenários, verificou-se que quando as medidas de eficiência energética reduzirem pelo menos 5% da demanda energética, com um custo de energia de pelo menos R$ 187,50/MWh, bem como reduções de consumo de energia acima de 10%, com custo energético mínimo de R$ 122,50/MWh, e preço de das RCE acima de 5,00, os projetos mencionados são viáveis, e as receitas dos créditos podem internalizar as externalidades positivas desses projetos, compensando os investimentos. / Nowadays it´s quite complex to solve the problem between energy demand growth and the human activities, which have negative, widespread effects on the global climate. In this sense, apart from the fact that Brazil adopts massivelythe hydropower, there is a large potential for the use of renewable energy sources, as biomass. In process industries, techologies for reducing thermal energy consumption associated with the use of the sustainable biomass and biogas from wastewater treatment systems can be one among other solutions for equalizing the energy-environment dilemma, also targeting the prorrogatives of the current global policies on safety and sustainable energy sypply. Anyway, such measures have still been left aside by many industries, because it´s still not properly understood regarding the way these projects can internilize their positive externalities, some enterprises keep distant from the social, economic and environmental beneffits that carbon credit projects can bring up to help them in succeeding and rationalizing energy consumption. This dissertation evaluates and assesses the economic viablitity of projects of fuel switch (from fossil fuels to renewable biomass); use of biogas from industrial wastewater treatment systems and also the implementation of technologies and processes for reducing steam comsumption, focusing on breweries. By means of economic sceneries, it´s shown that the revenues from carbon credits can significantly have positive impacts, while financial incentives, on the decision making process towards the carrying and dissemination of such projects. As demonstrated in this work, the RCE, if required in the sceneries analysed, can bring the cash flows whithin brewery IRR expectations. Hence, the model showed that when measures of energy afficiency achieve at least 5,0% with the price of energy saved is of at least R$187,50/MWh, and for measures above 10% and energy is bought at prices higher then R$ 122,50/MWh, all projects with CER prices above 5,00 viable, and can be conducted. Also, the revenues from carbon credits can make industries wake up for the fact that they can internalize the positive externalities of these projects, once the high investiments can be compensated by their carbon offsets.

The import of the vegetable has prevailed in the long run over the own production. In connection with this reality and increasing demand for the food with higher quality the production greenhouse is more often built. The providing heat, cold and electricity for the year-round operation is related to the construction and working of these objects. The theoretical part of this theses describes possible ways how to cover energy consumption for the model greenhouse in Kožichovice, Třebíč region. The heat losses and the year-round heat consumption were stated for the selected model and compared with the exact values from Kožichovice. The following method of energy supply was selected based on the calculated energy consumption - the separate cogeneration unit, cooperation of several cogeneration units, a biogas station, a heat pump and central heating system. These methods of energy supply were subjected to technical and economical comparison.