prof. prasad vaidya - angan-bee. prasa… · common services - $ 0.073 per kwh commercial - $ 0.15...
TRANSCRIPT
Prof. Prasad Vaidya
Energy Consultant, ZENERG, Mumbai
THIS PRESENTATION WAS SHARED BY
FOR THE SESSION:
“Steps towards Net Zero Energy Buildings”
DURING ANGAN 2019
3 © Prasad Vaidya 2019 ANGAN 2019, New Delhi
100 100,000 100 100,000
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100 100,000
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2003 2011 2012 2019 2015 2016 2017 2018
Source: US DOE
Source: CARBSE
0 0 0 50
At CEPT University
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NZE Single Family Home in Jaipur
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NZE Single Family Home in Jaipur
Net Zero Energy
EUI 18 kWh/m2
PV 19 kWh/m2
ECMs address
envelope,
appliances, HVAC,
and lighting design
Zero water discharge
Rainwater harvesting
Low flow fixtures
Greywater recycling
Water conserving
plants
Affordability
Debt to
income ratio,
Incremental
capital cost,
LCC
IAQ
WHO levels
Ventilation
with filtration
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NZE Single Family Home in Jaipur
Wall Plan XPS fixing detail
The challenge in constructability was to
figure out such construction detail that
would be easily understood by the
Indian masons.
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NZE Single Family Home in Jaipur
Oasis Abode will act as an affordable energy efficient prototype that can be used by the developers in India.
Aesthetically similar to typical houses, it is an easily marketable solution.
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NZE Kendriya Vidyalaya in Jodhpur
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NZE Kendriya Vidyalaya in Jodhpur
Strategic landscape for nutrition
and heat mitigation
30% of the site for biodiversity
10% of the site for edible gardens
Living Building Challenge
18/20 imperatives achieved
Lifecycle emissions
75% reduction
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NZE Kendriya Vidyalaya in Jodhpur
Capital cost increased by 9%
Annualized ROI of 5.4% over 20 years.
21% reduction in operating costs
Ensure better maintenance with reduced
operating costs
Capital Costs
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NZE Affordable housing in Chennai
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Affordable and abundant
clean energy
RESCO Model
Post occupancy personalised
assistance
Mobile App
Cooling as a service
For thermal comfort and Resilience
Affordable for Operational
Cost
Affordable: Within the criteria of the PMAY CLSS
NZE Affordable housing in Chennai
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5
NZE Affordable housing in Chennai
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NZE Affordable housing in Chennai
7.3 7.5 7.8
10.2 10.5
12.1
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
2021-2030 2031-2040 2041-2050
EUI (
kBTU
/sf)
Bedrooms Conditioned
Bedrooms Conditioned
Bedrooms Conditioned
Fully Conditioned
Fully Air Conditioned
Fully Air Conditioned
PV Generation
13.1 kBTU/SF
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Developer RESCO Residents
Residential - $ 0.051 per kWh
Common Services - $ 0.073 per kWh
Commercial - $ 0.15 per kWh
Leases the terrace
to RESCO Solar PV Generates Electricity
Installs and Maintains Solar PV
RESCO Sells Generated Electricity
$144k
Generates Revenue
O&M of VRF system
Rent
$36.2k/year
Net Income - $1090k over 20 years
$9k/year Reduction in O&M cost borne by
residents
$27k/year annual
profit to developer 78% reduction in electric bill
Cooling bill is almost Zero
13% Annualized ROI to
RESCO Company
NZE Affordable housing in Chennai
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NZE Affordable housing in Chennai
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Quality of the solutions
Image Source: Department of Energy Race to Zero 2017
2017 Team
Won 1st prize in Urban single family housing category.
2018 Team
Finalist in elementary school category.
2019 Team
2nd place in Mixed- Use multifamily category.
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Industry Partners
Ashok B. Lall Architects
Delta Controls
DesignBuilder
EDS
Greentech Knowledge Solutions
Guardian Glass
HMX
INSUboard
Johnson Controls
Kamal Cogent
Kesarjan Building Center
Lighstanza
Mahindra Lifespace Developers
Mitsubishi Electric
Oizom
Torowatt
Volpak Systems
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Societal Needs
People and Comfort
Sweet Spot 1
EE and RE Environment
Affordability Cost Effectiveness
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Sweet Spot 2
CO2 Reduction
Adaptation Climate Change
Mitigation Climate Change
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Sweet Spot 3
Green Jobs Skilling
Technology Incubation
Industry Partnerships
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Use the innovative power of 1,00,000 architecture + engineering students
Create next generation solutions for real building projects
A laboratory for integrating technology in design solutions
Industry plays an active collaboration role
Positive take-home message for government stakeholders, builders and end-users
Raise public awareness
Solar Decathlon India
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Beneficiaries
Direct Beneficiaries
• Students
• Faculty Members
Industry
• Developers and Owners
• Real Estate Industry
• Manufacturers and Suppliers
• Architects, Engineers
Central Government
• Ministry of Power
• Ministry of Housing and Urban Affairs
• Ministry of Environment, Forest & Climate Change
• Ministry of Science and Technology
• Ministry of Power
• Ministry of New and Renewable Energy
State and Local
Government
• Urban Development & Town Planning Dept.
• Public Works Dept.
• State Level Nodal Agencies
• UDD, ULBs and Municipalities
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Thank you
Prasad Vaidya