Importance of Sustainable Energy

in the Present Global & National

Contexts

One-day Seminar on Energy for Sustainable Development

Conducted by

Institute of Human Resource Advancement (IHRA)

University of Colombo

In collaboration with

Sri Lanka Sustainable Energy Authority

Ministry of Environment & Renewable Energy

9th

May 2013, IHRA Auditorium

Thusitha Sugathapala

Director General

Sri Lanka Sustainable Energy Authority

Ministry of Environment & Renewable Energy

Development of human society (Accelerated!)

Energy (fossil) driven economy

Extraction and consumption of resources (Depletion!)

Fossil fuel / Clean Water / Clean Air / Fertile soil /…

FACTS

“Oil Peak”

FACTS

Energy Efficiency

Water pumping

FACTS

Energy Efficiency

Ceiling Fans

FACTS

0

5

10

15

20

25

30

35

0 1 2 3 4 5 6

Eff

icie

ncy

Regulator Setting

Fan 1

Fan 2

Fan 3

Fan 4

Fan 5

Fan 6

Fan 7

Fan 8

Fan 9

Fan 10

Average

Resource Efficiency

Foods: Water requirement

FACTS

Resource Efficiency

Foods: Energy requirement

FACTS

Resource Efficiency

Foods: Per capita meat consumption (kg/person/year)

FACTS

America

England

Brazil

China

India

Air Pollution

Outdoor air quality in Colombo

FACTS

0

10

20

30

40

50

60

70

80

90

100

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

An

nu

al A

vera

ge P

M10 (µ

m/m

3)

Year

National Standard: 50 µg/m3

WHO Standard: 20 µg/m3

Air Pollution

Indoor air quality in semi-urban households

FACTS

0

50

100

150

200

250

300H

om

e 1

-In

Ho

me 1

-O

ut

Ho

me 2

-In

Ho

me 2

-O

ut

Ho

me 3

-In

Ho

me 3

-O

ut

Ho

me 4

-In

Ho

me 4

-O

ut

Ho

me 5

-In

Ho

me 5

-O

ut

Ho

me 6

-In

Ho

me 6

-O

ut

PM

2.5

Co

ncen

trati

on

(µ

g/m

3) National Standard: 50 µg/m3

WHO Standard: 20 µg/m3

Air Pollution

Indoor air quality in estate-sector households

FACTS

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0 5 10 15 20 25 30 35 40 45 50 55 60

24

hr

Av

era

ge

PM

2.5

Co

nc

en

tra

tio

ns

(m

g/m

3)

Household Number

Measured Data

Permissible level of WHO AQG

Carrying Capacity of Biosphere (Overloading!)

Effects on natural cycles (Sustainability!)

FACTS

The Environment Crisis !

Growth in population (An achievement?)

Life Style Increase in needs / services (Happiness?)

FACTS

High Consuming

Society !

Market

Opportunity !

Biomass

Nuclear

Hydro

Sustainability Quantity of

Energy

Quality of

Energy

World Population Development Per Capita Energy Consumption

Coal

Oil

NG

Solutions to Energy & Environment Crises

A. Developing Renewable Energy

B. Energy Efficiency Improvements,

Conservation and Management

C. Practicing Energy Modesty

SOLUTIONS FOR SUSTAINABILITY

A

B C

The

Solution

Three Facets of

Sustainable Energy

Fossil Economy Green Economy

Rational Use

of Energy

World Total Energy Demand – Projections

(Sustainable Scenario)

Source: The Energy Report – 100% Renewable Energy By 2050, WWF

Aggressive end-

use energy

savings and

electrification

Substitution of

traditional by

renewable

sources

Remaining fossil fuels

Baseline: ~ 520 EJ/year Renewable Power

Renewable Heat & Fuels

Fossils & Nuclear

2000 2010 2020 2030 2040 2050

500

400

300

200

100

0

Fin

al

En

erg

y

(EJ/y

ear)

Year

ENERGY SUSTAINABILITY

Fossils & Nuclear

RE –

Power RE –

Heat & Fuel

16

40%

5%

95%

Conventional Sources

Renewable Sources

ENERGY SUSTAINABILITY

World Total Energy Demand – Projections (Sustainable

Scenario)

Role of Renewable Energy Sources

ENERGY SUSTAINABILITY

Energy Efficiency

Energy Intensity in Industrial Sectors

Increased use of recovered input materials or alternative routes

Refurbishment of existing plants to meet performance benchmarks

and stringent requirements for using best available technology

(BAT) in all new plants.

Continuing improvements of BAT over time.

ENERGY SUSTAINABILITY

Energy Efficiency

Energy in Buildings

Evolution of Energy

Intensity in Buildings

Global Overall Energy Use in the

Building Sector

– By Energy Carrier Type

Understanding the “Basics”

“Knowledge Society”

Availability of (natural) “Resources”

Sustainable exploitation potentials of natural resources

Management capacity

Local expertise / value addition

Inventions and Innovations

Rational use of energy for development

Sustainable lifestyle (energy modesty)

Industrial Ecology

Circular Economy

Decoupling of energy from economy

KEY TO THE SUCCESS

Availability of Resources

KEY TO THE SUCCESS

Solar Maps

Wind Map Spatial distribution of

annual average Global

Horizontal Irradiation

(kWh/m2/year)

Annual average

velocity (m/s)

Energy Conservation and Management: Our targets

KEY TO THE SUCCESS

Technology / Process Annual Saving Potential - GWh

Energy Labeling ProgramCeiling Fans 35

Tubular Fluorescent Lamps 65

Ballasts 80

Refrigerators 16

Efficient lighting 173Air Conditioning 250ISO 50001 375Efficient motors 185Building Management System (BMS) 20Efficientoffice equipments 16Solar water heaters 5Telecomunication 10Efficient air compressors 11

Eliminating Incandescent Lamps 205

Green Buildings 550

Total 1,990

Rational Use of Energy

KEY TO THE SUCCESS

Thank You

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