Estimating the cost savings and avoided CO^sub 2^ emissions in Brazil by implementing energy efficient policies
Investing more in renewable energy sources and using this in a rational and efficient way is vital for the sustainable growth of world. Energy efficiency (EE) will play an increasingly important role in future generations. The aim of this work is to estimate how much the PNEf (National Plan for Ener...
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| Veröffentlicht in: | Energy policy 2014-04, Vol.67, p.4-15 |
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| creator | Calili, Rodrigo F Souza, Reinaldo C Galli, Alain Armstrong, Margaret Marcato, André Luis M |
| description | Investing more in renewable energy sources and using this in a rational and efficient way is vital for the sustainable growth of world. Energy efficiency (EE) will play an increasingly important role in future generations. The aim of this work is to estimate how much the PNEf (National Plan for Energy Efficiency) launched by the Brazilian government in 2011 will save over the next 5 years by avoiding the construction of additional power plants, as well as the amount of the CO2 emission. The marginal operating cost is computed for medium term planning of the dispatching of power plants in the hydro-thermal system using Stochastic Dynamic Dual Programming, after incorporating stochastic energy efficiencies into the demand for electricity. We demonstrate that even for a modest improvement in energy efficiency ( |
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Energy efficiency (EE) will play an increasingly important role in future generations. The aim of this work is to estimate how much the PNEf (National Plan for Energy Efficiency) launched by the Brazilian government in 2011 will save over the next 5 years by avoiding the construction of additional power plants, as well as the amount of the CO2 emission. The marginal operating cost is computed for medium term planning of the dispatching of power plants in the hydro-thermal system using Stochastic Dynamic Dual Programming, after incorporating stochastic energy efficiencies into the demand for electricity. We demonstrate that even for a modest improvement in energy efficiency (<1% per year), the savings over the next 5 years range from R$ 237 million in the conservative scenario to R$ 268 million1 in the optimistic scenario. By comparison the new Belo Monte hydro-electric plant will cost R$ 26 billion to be repaid over a 30 year period (i.e. R$ 867 million in 5 years). So in Brazil EE policies are preferable to building a new power plant. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 0301-4215</identifier><identifier>EISSN: 1873-6777</identifier><identifier>CODEN: ENPYAC</identifier><language>eng</language><publisher>Kidlington: Elsevier Science Ltd</publisher><subject>Brazil ; Cost ; Cost control ; Electric power ; Energy efficiency ; Energy policy ; Mathematical programming ; Power plants ; Renewable energy sources ; Saving ; Studies ; Sustainable development</subject><ispartof>Energy policy, 2014-04, Vol.67, p.4-15</ispartof><rights>Copyright Elsevier Science Ltd. 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The aim of this work is to estimate how much the PNEf (National Plan for Energy Efficiency) launched by the Brazilian government in 2011 will save over the next 5 years by avoiding the construction of additional power plants, as well as the amount of the CO2 emission. The marginal operating cost is computed for medium term planning of the dispatching of power plants in the hydro-thermal system using Stochastic Dynamic Dual Programming, after incorporating stochastic energy efficiencies into the demand for electricity. We demonstrate that even for a modest improvement in energy efficiency (<1% per year), the savings over the next 5 years range from R$ 237 million in the conservative scenario to R$ 268 million1 in the optimistic scenario. By comparison the new Belo Monte hydro-electric plant will cost R$ 26 billion to be repaid over a 30 year period (i.e. R$ 867 million in 5 years). So in Brazil EE policies are preferable to building a new power plant. 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| ispartof | Energy policy, 2014-04, Vol.67, p.4-15 |
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| source | PAIS Index; Access via ScienceDirect (Elsevier) |
| subjects | Brazil Cost Cost control Electric power Energy efficiency Energy policy Mathematical programming Power plants Renewable energy sources Saving Studies Sustainable development |
| title | Estimating the cost savings and avoided CO^sub 2^ emissions in Brazil by implementing energy efficient policies |
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