Now looking at the future of the world energy market is to consider trends in energy consumption at the end use sector level. With the exception of the transportation sector which is almost universally dominated by petroleum products at present, the mix of energy use in residential and business sector (commercial & industrial) can vary worldwide from country to country depending on the combination regional factors such as the availability of the energy resources, the level of economic development and political, social and demographic factors.
Now the worldwide energy market is expected to increase on an average by 2% per year over the forecast period from 2002 to 2025, slightly lower than the 2.2% average annual growth rate from 1970 to 2002. Total energy use is projected to grow from 412 quadri billion British thermal unit(Btu) in 2002 to 645 quadri billion Btu in 2025.
Emerging economies account for much of the projected growth in marketed energy consumption over the next two decades with energy use in this group be more than double by 2025.Economic activity as measured by gross domestic product (GDP) is purchasing power parity terms, is expected to expand 5.1% per year in the emerging economies as...
s expected to expand 5.1% per year in the emerging economies as compared with 2.5% per year in mature market and 4.4% in transitional market economies.
On the basis of consumption:
Domestic or Residential sector: The residential sector is defined by the energy consumed in household excluding transportation uses. The type of energy used by household varies from country to country depending on income levels, natural resources and available energy infrastructures.
Households in mature market economies use energy more intensive than those in less developed economies primarily because of higher income level. In Mexico, country's residential energy consumption projected to increase by 3.4% per year in USA it is 1.6% while in Western Europe it is expected to increase by 0.4% per year from 2002 to 2025.Residential electricity use in transitional economies is projected to grow nearly double in the projected period of 2002 to 2025. Household energy use is projected to increase most rapidly in the emerging economies in the coming decades. In this region the population growth and urbanization will increase and create a larger demand for residential energy services. As a result the emerging economies in 2025 are projected to nearly equal the mature market economies in residential energy use.
a. Commercial sector: Often referred as the services sector or the services and institutional sector, consists of business organization that provides services.
Due to slow rate of population growth in mature market as a whole expected demand in this region projected to grow by 1.9% per year from 2002 to 2025.
Many countries in transitional economies expected to see their population decline during the period 2002 to 2025; commercial sector electricity consumption is projected