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    Knowledge and Power: Lessons from ADB Energy Projects
    Knowledge and Power: Lessons from ADB Energy Projects
    Knowledge and Power: Lessons from ADB Energy Projects
    Ebook268 pages2 hours

    Knowledge and Power: Lessons from ADB Energy Projects

    By Asian Development Bank

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    About this ebook

    This publication offers a snapshot of Asia's energy sources and how they are used, and presents recent developments and challenges that emphasize the urgency and necessity of sustainable energy initiatives. It features 15 recent noteworthy projects as case stories (contexts, solutions, results, and lessons) that were implemented in Bangladesh, Bhutan, the People's Republic of China, India, Indonesia, the Federated States of Micronesia, the Philippines, and Uzbekistan in the areas of energy efficiency, solar energy, geothermal, waste-to-energy, advanced coal technology, and electricity interconnection.
    LanguageEnglish
    PublisherAsian Development Bank
    Release dateOct 1, 2015
    ISBN9789292549862
    Knowledge and Power: Lessons from ADB Energy Projects

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      Knowledge and Power - Asian Development Bank

      ENERGY IN ASIA: AN OVERVIEW

      Worldwide demand for energy has reached unprecedented levels, changing the energy landscape. Nowhere is the growth of energy demand higher than in Asia, and the region is set to surpass the rest of the world’s energy consumption before 2035. Much of this demand is met through conventional fossil fuel sources, which increase Asia’s greenhouse gas emissions and contribute to climate change. Alongside this, Asia is home to the largest number of people without access to modern energy, with 600 million without access to electricity, and 1.8 billion without access to modern fuels.¹

      Project implementers and stakeholders need to understand the development and needs of the region’s energy sector to meet its challenges. They need to know the steps that can be taken to meet demand and expand access to energy, while supporting the region’s transition to a low-carbon path of development using sustainable energy.

      This overview will help key project implementers understand Asia’s energy situation. It offers a snapshot of the region’s energy sources and how they are used. It also presents recent developments and challenges that emphasize the urgency and necessity of sustainable energy initiatives. It provides information about efforts by the Asian Development Bank (ADB) to help Asia implement sustainable energy initiatives.

      WHERE DOES ASIA’S ENERGY COME FROM?

      Generally, Asia draws its energy from conventional fossil fuels (i.e., oil, coal, and natural gas) and naturally renewable sources (e.g., hydro and geothermal power).

      CONVENTIONAL ENERGY

      Coal. In 1994, coal fueled 40.5% of the Asia and Pacific region’s energy needs—by 2009, this had risen to 48.7%.² Since the beginning of the 21st century, coal has been the fastest-growing energy source worldwide. Asia is the biggest market for coal worldwide, and currently accounts for 67% of global coal consumption.³

      Asia possesses one-fourth of the world’s coal reserves.⁴ In 2013, coal production totaled 7,822.8 million tons worldwide, a 0.4% increase over 2012 with five of the top 10 coal-producing countries located in Asia (Table 1.1).⁵

      Table 1.1: Top 10 Coal Producers (2013e)

      e = estimated, Mt = million ton.

      Source: World Coal Association.

      Coal contains solid combustible, sedimentary, and organic rocks composed mainly of carbon as well as hydrogen, oxygen, sulfur, and moisture.⁶ Because coal is a finite source of energy, sustainability is a key issue in its production. Current reserves total 892 billion tons (i.e., 113 years of coal output).⁷ Coal consumption causes serious environment issues such as greenhouse gas (GHG) emissions, which contribute to global warming, acid rain, and localized air pollution, along with social impacts such as increased respiratory ailments and mine safety issues.

      Oil. Oil accounted for 33.9% of the region’s energy supply in 1994, but decreased to 26.2% in 2009 (footnote 2). Oil for energy comprises crude oil, condensates, natural gas liquids, refinery feedstock and additives, and other hydrocarbons (e.g., emulsified, synthetic crude, and mineral oils). Lacking significant oil resources of its own, Asia depends on imports from other regions, particularly the Middle East. Asia’s share in total global oil production was only 2.5% at the end of 2013, or about 42.1 billion barrels. Like coal, oil is a finite resource. As of December 2013, proven world oil reserves⁸ totaled 1,687.9 billion barrels, enough to meet 52.9 years of global production.⁹

      Nuclear energy. In 2004, about 4.1% of the region’s energy supply came from nuclear energy. By 2009, this decreased to 3.2%, although the number of nuclear power plants in Asia has slowly increased over the years. Among 40 nuclear plants connected to energy grids worldwide in 1995–2004, 28 were in the People’s Republic of China (PRC), Japan, the Republic of Korea, the Russian Federation, India, and Pakistan.¹⁰ In October 2013, East and South Asia had 119 operable nuclear power reactors, 49 under construction, 100 firmly planned, and many more proposed. The greatest growth in nuclear power is expected in the PRC, the Republic of Korea, and India.¹¹

      Natural gas. In 1994, natural gas supplied about 10.3% of Asia’s energy needs, increasing an average 5.5% per year to 12.0% in 2009.¹² Projections suggest that demand for natural gas will increase at 3.9% per year, reaching 1,463.2 million tons of oil equivalent (Mtoe) in 2035, 2.6 times the 2010 level of 566.7 Mtoe. About 51.7% of the entire growth in natural gas demand between 2010 and 2035 in Asia and the Pacific will come from the PRC, followed by India (13.0%), Indonesia (6.0%), and Japan (4.8%).¹³ Natural gas forms when layers of buried plants and animals are exposed to intense heat and pressure over thousands of years. It is nonrenewable because it cannot be replenished at a rate which matches current and projected consumption levels.¹⁴ In late 2013, proven global reserves totaled 185.7 trillion cubic meters, sufficient to meet 55.1 years of production. In Asia and the Pacific, proven natural gas reserves can meet 31.2 years of production.¹⁵

      RENEWABLE ENERGY SOURCES

      In recent years, international attention has shifted to renewable energy as a result of increased awareness of the effects of climate change and concerns about energy supply and energy security. Renewable energy (e.g., solar, wind, hydropower, geothermal, and bioenergy) is harnessed from natural resources that are virtually inexhaustible or are replenished.

      Hydropower. Hydropower is the world’s largest clean energy source, providing 16% of all electricity.¹⁶ In 2011, Asia and the Pacific generated 1,098 terawatt-hours (TWh) (almost 32%) of hydropower, compared with 886 TWh (25%) in Europe.¹⁷ Currently installed or under construction hydropower in Asia totals 542 gigawatts (GW), which potentially could quadruple to 2,204 GW.¹⁸ However, large hydropower plants can have negative environmental and social impacts (e.g., changes in river ecosystem, disruptions in wildlife, and social displacement). In recent years, small-scale hydro installations have been expanding and contributing to increased energy access. Small hydropower plants with a capacity of 10 megawatts (MW) now exist in 148 countries, which could potentially grow to about 173 GW.¹⁹

      Geothermal energy. The Asia and Pacific region is home to some of the world’s top producers of geothermal energy. Drawing on the heat of the earth’s crust, geothermal energy is used to generate electricity and supply direct thermal energy requirements. Six of the 24 countries producing electricity from geothermal energy are in Asia—the PRC, Indonesia, Japan, Papua New Guinea, the Philippines, and Thailand. These countries produced about 30% of the world’s geothermal electricity in 2009.²⁰

      Solar energy. Solar thermal and photovoltaic technologies can convert sunlight into usable heat and electricity. Although solar energy provides a small contribution to energy supply in Asia and the Pacific, it is now the region’s fastest-growing energy source, albeit from a low base. Solar energy is enjoying rapid uptake worldwide, and by 2050, it is projected that solar power could provide as much as a quarter of all electricity generation.²¹

      Wind energy. Wind turbines harness energy from the wind and convert kinetic energy into electricity. Wind resources are widely available worldwide²² and its deployment for power has more than doubled since 2008, approaching 300 GW of cumulative installed capacities, providing about 2.5% of global electricity demand.²³

      Projections suggest that wind energy could provide up to 10% of all electricity by 2020. In Asia, the estimated potential of wind energy could generate millions of megawatts of electricity. However, the wind energy subsector in Asia generally produces very little electricity, except in the PRC and India.²⁴

      Bioenergy. Biological sources or biomass, such as wood and animal dung, are sources of fuel (through burning or other chemical reactions) and electricity, as well as biofuels (e.g., feedstock). Biofuels are solid (e.g., wood, charcoal, and wood pellets) or liquid (e.g., bioethanol and biodiesel). Biomass is used predominantly in developing countries, mostly in the form of wood and agricultural residues. It is the most common fuel for cooking and heating.²⁵

      In Asia, where most areas are still agricultural, biomass accounted for 8.8% of the total energy supply in 1994, decreasing to 7.4% by 2009. As oil gained greater prominence in the total energy supply mix, consumption of biomass decreased.

      Figure 1.1 shows the total energy supply mix in Asia and the Pacific in 1994 and 2009. It also illustrates the region’s dependency on each energy source and provides insights into the energy challenges of the region.

      Figure 1.1: Primary Energy Supply by Source, 1994 and 2009

      ktoe = thousand tons of oil equivalent.

      Source: ADB Energy Statistics.

      HOW DOES ASIA USE ENERGY?

      The Asia and Pacific region accounts for around 60% of world energy demand.²⁶ In a business-as-usual scenario, the region’s total primary energy demand will increase steadily, from 4,985.2 Mtoe in 2010 to 8,358.3 Mtoe in 2035 (i.e., 2.1% per year), which is the fastest rate of growth in demand worldwide (footnote 13).

      Asia has driven the increasing trend in world energy consumption in the last 2 decades. In 2011, this growth rate was about 5.4% for the Asia and the Pacific region, compared to 3.1% worldwide.²⁷

      Coal and oil are the fuels of choice in many countries in the region, and projections suggest they will remain dominant until 2035 among nonrenewable sources. Asia has led coal consumption around the world, which has more than doubled since 1980. Asia has surpassed Europe and the former Soviet Union in coal consumption,²⁸ and coal is expected to be Asia’s main source of energy until 2035 (footnote 13). Coal consumption in Asia has been driven by the PRC, where coal usage increased fivefold between 1980 and 2010, accounting for 73% of Asia’s consumption and almost half of global coal consumption in 2010 (footnote 26). The same trend is evident in oil consumption: Europe’s consumption has decreased, while Asia’s oil consumption has grown threefold, driven by oil demand in the PRC and India.²⁹

      Notably, with demand for natural gas totaling 790 billion cubic meters, the natural gas market in Asia likely will become the second largest market by 2015.³⁰ Compared to North America and most of Western Europe, which for many years experienced level growth in electricity generating capacity, particularly by nuclear power, some countries in East and South Asia are planning and building new nuclear power reactors to meet increasing demands for electricity.³¹

      Energy fuels and powers transport, industries, and residential and commercial establishments. Nonenergy use³² tends to be largest in economies with large refinery industries.³³ In Asia and the Pacific, industry demanded 1,216.5 Mtoe (37.6%) of all energy in 2010 (footnote 13). Countries with large manufacturing industries for iron and steel, nonmetallic minerals (e.g., aluminum, cement, and glass), paper and pulp, and chemicals generally require more energy.

      Transport has the fastest growing energy demand among all sectors in Asia, estimated at 517.7 Mtoe in 2010 and likely to reach 1,003.2 Mtoe in 2035, mainly due to higher incomes and increasing mobility. Road transport consumes the most energy, comprising about 90% (footnote 12). However, demand also increased in other sectors (e.g., residential, commercial, and agriculture). Among these, the combined share of the residential and commercial sectors totaled 1,176.7 Mtoe in 2010.

      The overall consumption of nonrenewable sources of energy far exceeds that of renewable sources. Among renewable sources of energy, hydropower is projected to demonstrate the largest growth.

      Overall, energy demand and consumption in Asia and the Pacific has risen continuously, from 43% in 2000 to 3,862 Mtoe in 2010. Such increases pose a huge challenge in a region that has the third lowest per capita supply of total primary energy (1,438 kilograms of oil equivalent [koe]) in the world after Africa (737 koe) and Latin America and the Caribbean (1,331 koe).³⁴ Increased energy use has also lowered air quality due to pollution in many Asian cities. Table 1.2 shows the final energy consumption and energy balances across Asia.

      Table 1.2: Energy Consumption by Sector and Energy Balances across Asia

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