Mr. Anand

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© Confederation of Indian Industry

®

Energy Efficiency in Green Buildings;

Success Stories

ITC Green Centre, Gurgaon

RMBP, Chennai

Wipro, Kochi

8 February 2011

CII – Godrej GBC, Hyderabad

Hiranandani B G House, Powai

Hiranandani B G House, Powai

HUDA, Hyderabad

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“Centre of Excellence” for Green Buildings, Energy, Environment,Renewable energy, Water & Climate change activities in India

CII – Sohrabji Godrej Green Business CentreHyderabad

A unique Public – Private Partnership( CII, Govt of Andhra Pradesh, USAID and Pirojsha Godrej Foundation )

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Indian Green Building Council

(IGBC) Vision of IGBC

To usher in a green building

movement in India

India to become one of the

world leaders in green

buildings by 2015

IGBC; formed by CII in 2001

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Green Building Movement in India

1 Green Building20,000 sq.ft.

920 Green Buildings, 589 Million sq.ft.

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Green Building Movement

S No Criteria 2001 Till date

1 CEOs & senior people involved 50 ≈ 8,500

2No. of professionals trained on

Green Building concepts 10 ≈ 12,500

3No. of registered Green Buildings

Built – in Area (sq.ft)

1

0

920

589 Million

4Green Building products &

equipment5 118

5IGBC Member Organisations(Founding Members) 0

1,133(94)

6 IGBC Local Chapters 0 9

7 IGBC Accredited Professionals 0 384

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Green Building Movement - Growth

All types of buildings, all over the country :

IT Parks, Offices, Residential, Banks, Airport, Convention Centre,

Institutions, Hospitals, Hotels, Factories, SEZs, Townships . . .

10

2 110

2 17

5 4010 80 15

322

30

465

63

884

134

920

135

0

100

200

300

400

500

600

700

800

900

1000

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

Registered

Certified

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One single rating cannot be applied to suit

all building types

IGBC Green Home Rating

IGBC Green Factory Rating

IGBC Green SEZs

IGBC Green Townships

LEED India NC (New Construction)

LEED India CS (Core and Shell)

Rating programmes to suit differentbuilding types

Rating systems applicable for all 5 climatic zones in the country

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IGBC Green Townships

Integrated Approach to design Green Townships

Launch of pilot rating

Municipalika, 27 Jan 2011

Holistic in Approach

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www.igbc in

The best way to demonstrate

the potential and possible

solutions for green building

design & construction is by

concrete examples . . .

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Successful Case Studies -

IGBC Certified Green Buildings

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1. Solar Air-conditioning

90 TR hot water fired VAM system

26,000 sq. ft.

Reduction in HVAC electrical load

117 kW

Turbo Energy Limited, Chennai

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2. Earth Air Tunnels & Wind Towers

Passive Cooling

Geothermal

India offers huge potentialAquamall, Dehradun

Police Bhavan - IGP Office, Gulbarga

Earth Tunnel Cooling

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3. Thermal Storage

Reduces peak load during daytime

Major savings for projects havingdual tariff

TCS Technopark, Chennai

Grundfos Pumps, Chennai

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4. District Cooling System

Centralised chilledwater based HVAC

System

High COP > 6.3

RMZ Ecospace, Kolkata

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5. High Performance EnvelopeCavity Walls & Double Glazed Units

Reduced heat gain by design

Significant energy savings

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Reduces heat gain

Mitigates local microclimate temperature

6. Green & High SRI - Roof

Hiranandani BG House, Mumbai

CII – Godrej GBC, Hyderabad

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Onsite & offsite systems

Wind Solar Hybrid Turbo Energy, Suzlon One Earth,

Building Integrated Photovoltaics

Delta Power

7. Renewable Energy Systems

Suzlon One Earth

PuneTurbo Energy

Limited

Delta Power, Rudrapur

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8. Lighting Controls – Occulux sensors, Daylight sensors

Enhanced utilisation of daylighting Efficient Luminaires & controls

RMZ Millenia Business Park, Chennai

Lighting Power Density (0.65 – 0.8)Watts/ sq. ft.

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9. High performance HVAC Equipment,Controls & Monitoring System

Airconditioned space: (400 – 600) Sq. ft. / TR

Past: 100 sq.ft. / TR

Energy Efficient – Equipment & Systems

Meet & exceed – ECBC or ASHRAE 90.1

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10. Energy Modeling & DaylightSimulation

Integrated design approach

Optimised specifications

Envelope, Roof, HVAC – Equipment &Systems

Light Shelves

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Benefits in

135 Certified Buildings, IndiaEnvironmental

Benefit Category Average Benefits

/Million Sq.ft

Benefits

Per year

Co2 reduction 12,000 Tons 576,000 TonsEnergy savings 15,000 MWh 720,000 MWh

Water savings 45,000 KL 2,160,000 KL

Construction waste

diverted fromlandfills

450 Tons 21,600 Tons

Renewable energy,installed capacity

- 2,200 kW

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What Green Buildings did differently

Feature Conventional Building Green Building

Electrical Demand

(1 Mn sq. ft)

8 - 10 MW 6 - 7 MW

Lighting Power

Density (watts/ sq. ft)

1.5 - 2.0 0.6 - 0.8

Equipment PowerDensity (watts/ sq. ft)

2.5 - 3.0 1.5 - 2.0

IGP Office, Gulbarga

ITC Green Centre

Olympia Tech Park, Chennai

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What did we Learn ?

1. Open for new Green ideas

2. Need to be customer-centric

3. Demonstrate & showcase the benefits

4. Building Design should be contemporary

5. Green Buildings pay for themselves

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# 1. Open for New Green Ideas

Open for ideas

Not to stick to run-of-the mill designs

Keep abreast of latest green

concepts & technologiesGet the best products, trends &

technologies from where ever they are

Will lead to market transformation

Today the world is flat; Seek the best

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# 2. Need to be Customer - Centric

Customer-centric Different customers;

Different drivers

Owner : Functionality, Savings

Developer : Viability, Image

Architect : Pride Occupant : Comfort

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# 3. Demonstrate & ShowcaseBenefits

Demonstrate andshowcase benefits

Key to advance green

buildings

Validate energy &water savings

Commissioningconsultant - Key role

# 4 Building Design should be

http://mirror-au-wa1.gallery.hd.org/_exhibits/natural-science/splash-of-single-drop-in-still-water-2-AJHD.jpghttp://images.google.co.in/imgres?imgurl=http://www.climatesolutions.org/images/SolutionsNew/compactFlorEE.gif&imgrefurl=http://www.climatesolutions.org/pages/SolutionsN/solutionsEE.html&h=229&w=263&sz=41&hl=en&start=10&tbnid=tQ35E9SzFsSNaM:&tbnh=98&tbnw=112&prev=/images%3Fq%3DEnergy%2Befficiency%26svnum%3D10%26hl%3Den%26lr%3D%26sa%3DG

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# 4. Building Design should beContemporary

Changing life styles, taste

Changing weather

patterns

Designers to know the

intricacies & benefits of

using latest technologies

Tradition & Technology should co-exist

Tamilnadu Legislative Assembly Building

Big Temple - 11th Century

# 5 G B ildi f

http://en.wikipedia.org/wiki/File:Big_Temple-Temple.jpg

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# 5. Green Buildings pay forthemselves

Majority Green Buildings Incremental cost –

Attractive payback period

Carrot & not stick policy

Require sops

Incentives are only incidental ;

Not inspirational

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Awareness

Affordable

Available

Approach to take Energy Efficiency toNew Heights

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Green Buildings

Excellent opportunity to reduce

operating costs from day one

Sustain savings – life of building

Tremendous benefits

Tangible & Intangible

Long term benefits

To Sum Up

“Green makes Business Sense”

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Go Green . . .

www.igbc.in

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Mr. Anand