sustainable buildings division at tericbs.teriin.org/pdf/teri_retrofitting_solutions_to... ·...

Sustainable Buildings Division at TERI

Creating Innovative Solutions for a Sustainable Future

Services

Building policy research and

advocacy

Green Building Consultancy

Training and CapacityBuilding

Project Management

Unit

Resources & Energy

Efficiency Audit

Research & Development

TERI-UTC CoE

Creating Innovative Solutions for a Sustainable Future

Findings

Building Office, Hospital, Hotel

Climate zone Moderate, Composite, Hot & Dry, Warm &

Humid

Area Covered

1.3 million sq. m

Electricity Saving Potential

26 million units

Cost Saving Potential Rs 221 million

Electricity saving potential

26 million units

Saving potential in HVAC = 21.3 million unitsSaving potential in Lighting = 4.7 million units

HVAC82%

Lighting18%

Percentage Saving potential

Environmental Impacts

Annual

Water Savings 104 million litre

Annual

Coal Savings 15600 tonne

Annual

CO2 Emission avoided

21000 tonne

Electricity consumption growth in commercial buildings in India

2,36,615

5,13,903

6% 5% 8% 8%7%

11%11%

11%11%

14%

0

1,00,000

2,00,000

3,00,000

4,00,000

5,00,000

6,00,000

2000-01 2001-02 2002-03 2003-04 2004-05 2005-06 2006-07 2007-08 2008-09 2009-10(p)

2010-11(p)

2019-20

GW

h

Annual Growth in Electricity Consumption by Building

Sector

Average growth rate of 9 % in last 10 years (2001-2011)

At a conservative 9 % growth rate electricity consumption of building sector by 2020 will be more than 2 times the consumption in 2010-11

55% - 60%15%-20%

20% - 25%

5%

HVAC Lighting Internal Loads Others

Electricity consumption break-up in Commercial buildings

55%-60% of electricity

consumption is due to HVAC

15%-20% of electricity

consumption is due to lighting

Energy Saving Potential

8,699

90,01475,356

1,74,069

020,00040,00060,00080,000

1,00,0001,20,0001,40,0001,60,0001,80,0002,00,000

Existing Buildings(Through retrofitting)

In upcomingbuildings (2012-

2021)

Through EnergyEfficient Appliances

Commercial Sector Residential Sector Total

GW

H

Estimated Electricity

Saving Potential of

Building Stock (2021)

Building Envelope

Lighting

Chillers

Automation

Challenges

•Energy Audit

•Tools/techniques

•Measurement and Verification protocol

•Financial Mechanism

•No format/layout

•Parameters

•Frequency of data collection

•Energy Audit Methodology

•Retrofit guidelines

•Energy rating systems

Codes/

Standards/

Ratings

Energy

Reporting

Energy Saving

Measures

Implementation

Detailed energy audit

HVAC, Electrical, Lighting systems survey

Thermal + visual comfort survey

Recommendations: ECMs

Cost-benefit/payback analysis

Thank

Contact:pardeep.chauhan@teri.res.inMob. 9654312541

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