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Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) M.Sc. in Engineering Policy and Management of.

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Presentation on theme: "Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) M.Sc. in Engineering Policy and Management of."— Presentation transcript:

1 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) M.Sc. in Engineering Policy and Management of Technology Prof. Manuel Heitor mheitor@ist.utl.pt Maria João Rodrigues mjrodrigues@dem.ist.utl.pt The Energy System Current Situation and Market Trends PART II

2 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) CLASS OUTLINE @ Paper Presentation PARTE I 09h00-11h00 PARTE II PARTE II 11h30-13h00 Intervalo: 11h00-11h30 @ Energy Balances Energy prices Energy, economy and environment: key relationships and indicators

3 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) PAPER PRESENTATION Discussants Presenters

4 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) PAPER PRESENTATION

5 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY BALANCE

6 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY BILL

7 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) KEY ELEMENTS AND CONCEPTS OF THE ENERGY SYSTEM Energy supply Power plants Heat plants Gas supply Oil supply... End-Use Energy Heating Oil Gasoline Electricity Natural Gas... Energy Service Demand Car-km Motive Power Light Indoor Heat... Fuel Mix Supply Conversion Efficiency Fuel Mix Energy Intensity ENERGY SYSTEM “UTILITY”

8 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) KEY ELEMENTS AND CONCEPTS OF THE ENERGY SYSTEM Economy GDP Population Income Prices... Activity Structure Climate Energy supply Power plants Heat plants Gas supply Oil supply... End-Use Energy Heating Oil Gasoline Electricity District Heating... Energy Service Demand Car-km Motive Power Light Indoor Heat... Fuel Mix Supply Conversion Efficiency Fuel Mix Energy Intensity ENERGY SYSTEM “UTILITY” Environment Governmental Intervention Adapted from: IEA, 2000

9 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) INDICATORS Source: IEA, 2000 Indicators measure the link between human activity and energy use Indicators show how economical and technological driving factors (energy prices, economic growth, new technologies) shape energy use and the resulting energy- related CO 2 emissions Energy indicators rely on two other types of indicators – monetary and physical – to measure two kinds of activities – economic and human Indicators are not data! They are derived from basic data on structure of economic and human activity, combined with measurements or estimates of energy use

10 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) INDICATORS Source: IEA, 2000 The ratio of energy per GDP measures just that – energy per GDP! The most widely used indicator can not tell much about why energy use for a given sector has reached a certain level; how efficient that use is; why levels differ so much among similar countries. Energy efficiency is a measure of the energy use per unit of activity Intensity is not exactly the inverse of energy efficiency: intensities reflect beahviour, choice, capacity or system utilisation and other factors besides just engineering ones Intensities cannot be added or aggregated, and since intensities change at different rates in different sectors, they must be viewed in a disaggregate manner

11 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) INDICATORS Source: IEA, 2000

12 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY SERVICES DEMAND Test Fuel Intensity for New Cars Source: IEA, 2000 Energy efficiency increased

13 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY SERVICES DEMAND On-Road Fuel Intensity for Cars and Household Light Trucks Source: IEA, 2000

14 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY SERVICES DEMAND Car/Light Truck Use per capita per GDP per capita (1970-1998) Source: IEA, 2000

15 Energy Management and Policy 09/10/2004The Energy System – Current Situation and Market Trends (Part II) ENERGY SERVICES DEMAND Space Heating Intensity

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