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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:[email protected]. 9654312541
you
