SOLAR / GREEN BUILDINGS : MINISTRY - PowerPoint PPT Presentation

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SOLAR / GREEN BUILDINGS : MINISTRY

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SOLAR / GREEN BUILDINGS : MINISTRY S PROGRAMMES Dr. ASHVINI KUMAR Director Ministry of New and Renewable Energy NEW DELHI ashvinikr_at_nic.in ashvini_sec_at_yahoo.com – PowerPoint PPT presentation

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Title: SOLAR / GREEN BUILDINGS : MINISTRY


1
SOLAR / GREEN BUILDINGS MINISTRYS PROGRAMMES
  • Dr. ASHVINI KUMAR
  • Director
  • Ministry of New and Renewable Energy
  • NEW DELHI
  • ashvinikr_at_nic.in ashvini_sec_at_yahoo.com

2
Background
  • Buildings are major consumers of energy in their
    construction, operation and maintenance
  • About 50 of global energy demand is estimated to
    be due to buildings.
  • Energy requirements in buildings are further
    increasing in developing countries with rising
    economy.
  • In India, buildings accounts for 30-40 of total
    energy consumption.
  • ENERGY CONSCIOUS ARCHITECTURE addresses these
    issues.

3
Energy Conscious Architecture
  • It includes the following
  • Use of solar passive concepts including daylight
    features in building design and operation
  • Use of eco-friendly and less energy intensive
    building materials
  • Integration of renewable energy technologies
  • Use of energy efficient appliances
  • Conservation of water/ waste water recycling/rain
    water harvesting
  • Pioneering been done internationally and in
    India. However, lot more is required to be done
    to adopt energy conscious architecture on a
    widespread level in the country.

4
Energy Efficient Solar/ Green Buildings
  • Designed to provide internal comfort with much
    less consumption of conventional fuel results in
    savings of recurring and capital costs
  • Design depends on direction intensity of sun
    wind, ambient temperature, humidity etc.
    Different designs for different climatic zones.
  • Key features Orientation, double glazed windows,
    window overhangs, thermal storage walls/ roof,
    roof painting, ventilation, evaporation, day
    lighting, construction material etc.
  • Active solar thermal and photovoltaic systems can
    also be incorporated.
  • Additional cost could be up to 10 with annual
    savings of energy up to 30 to 40.

5
Climatic Zones
Climate Mean monthly temp (oC) Relative humidity ()
Hot and dry gt 30 lt 55
Warm and humid gt 30 gt 55
Moderate 25 - 30 lt 75
Cold and cloudy lt 25 gt 55
Cold and sunny lt 25 lt 55
Composite When six months or more do not fall within any of the above categories When six months or more do not fall within any of the above categories
As per criteria of National Building Code, Cold
and cloudy and Cold and sunny have been
grouped together.
6
Climatic zones of India
7
Programmes of the Ministry
  • The Ministry has been promoting solar passive
    buildings in the country for more than two
    decades through
  • Research and development activities
  • Demonstration of solar passive buildings
  • Supporting workshops, training programmes,
    orientation courses, etc.
  • Supporting to bring out technical literature
  • Initial efforts (during mid-eighties) led to
    construction of solar passive buildings in three
    climatic zones of the country viz.
  • Houses at IIT Delhi (Composite),
  • Hostel at Jodhpur (Hot and dry), and
  • Extension of a dispensary at Srinagar (Cold and
    cloudy).

8
Developments under Ministrys RD Projects
  • Development of tools for architecture design and
    simulation (TADSIM) for solar passive buildings
    (IIT Bombay).
  • A study on Energy Efficient Buildings in India
    (TERI)
  • A manual of Solar Passive Architecture
    (SEC and IIT Bombay)
  • Development of the course material on Solar
    Passive Architecture for inclusion in the
    curricula of Bachelor of Architecture
    (Council of Architects and IIT
    Delhi)

9
Developments under Ministrys Projects
  • Production of a set of two CDs entitled
    Knowledge Bank for Sustainable Buildings and
    Energy Efficient Buildings in India (TERI)
  • Handbook on Energy Conscious Buildings (SEC
    and IIT Bombay)
  • Assessment study for energy supply of solar
    passive designed buildings in Himachal Pradesh
    (SEC and HPSCSTE)

10
National Rating System for Green Buildings
  • Building rating systems becoming popular for
    promotion of green buildings. In India, US based
    LEED in operation.
  • A National Rating System - GRIHA developed in
    association with TERI
  • Applicable to AC/ non-AC intermittent cooled
    buildings suitable for different zones of the
    country
  • Developed modified through interactions with
    all stakeholders. Compatible with NBC 2005
    ECBC 2007
  • System to help in assessing predicted
    performance of buildings over their entire life
    cycle
  • Operates on 100 point marking system. 43 points
    pertain to energy waste management.

11
National Rating System for Green Buildings
  • Buildings to be star rated based on evaluation
    during pre-construction, building design and
    construction, and building OM stages.
  • Points scored Rating
  • 5060 One star
  • 61-70 Two star
  • 71-80 Three star
  • 81-90 Four star
  • 91-100 Five star

12
National Rating System for Green Buildings
  • The main aim of the programme is promotion of
    solar/ green buildings
  • It is a dynamic system taking cognizance of
    various feed backs from live projects through
  • Technical Advisory Committee, which is formed to
    provide technical guidance on updation of GRIHA
  • National Advisory Council, formed to advice and
    give directions to the National Rating System
  • System is incentivized by the Ministry
  • Commercial and institutional buildings including
    housing complexes with minimum built area of 2500
    sq. m. are covered
  • 5 million sq. m. of built area targeted during
    11th Plan

13
National Rating SystemBenefits to Owners
  • Reduced energy consumption without sacrificing
    the comfort levels
  • Reduced destruction of natural areas, habitats,
    biodiversity reduced soil loss from erosion
  • Reduced air water pollution with direct health
    benefits
  • Reduced water consumption
  • Limited waste generation due to recycling and
    reuse
  • Increased productivity, enhanced image
    marketability
  • Projects need to be registered with GRIHA
    Secretariat.

14
Financial Support from MNRE
  • Seed funding for GRIHA Secretariat
  • 90 of the fee for projects rated 3-star having
    built up area up to 5000 sq. m. and for projects
    rated 4 star having built up area above 5000 sq.
    m. to be reimbursed by MNRE
  • Registration-cum-rating fee is as follows

Project built up area Fee
lt 5000 sq. m. Rs. 3,14,000 (Rs. 2,50,000 for registration Rs 64,000 for evaluation)
gt 5000 sq. m. Rs. 3,14,000 (Fixed cost for projects upto 5000 sq. m.) Rs. 3.75 per sq. m. over and above 5000 sq. m. built area
15
Financial Support from MNRE
  • Incentives to architects/ design consultants
  • _at_ Rs. 2.50 lakh for projects upto 5000 sq. m.
    with minimum 3 star rating
  • _at_ Rs. 5 lakh for projects gt 5000 sq. m. with
    minimum 4 star rating
  • For organizing workshops and seminars for
    engineers, planners, builders, architects,
    consultants, housing financing organizations and
    potential users
  • For compilation/documentation of case studies and
    other related information about green buildings
  • Promotional activities upto Rs. 2 lakh
  • Incentives to Urban Local Bodies /Awards
  • Financial support is also available for
    integration of solar water heating systems, roof
    top SPV systems, and other renewable energy
    systems.

16
Solar Water Heating Systems
  • Soft loans _at_
  • 2 to domestic users
  • 3 to institutions, and
  • 5 to commercial users
  • 30 banks operating the scheme.
  • Capital subsidy equivalent to upfront interest
    subsidy _at_ Rs. 1750 per square meter of solar
    collector area for institutions _at_ Rs. 1400 for
    commercial establishments. Release through SNAs.
    In specific cases through MCs.
  • Direct release to Govt Deptts./ PSUs if installed
    for own use. Includes ESCO mode of
    implementation.
  • For housing complexes _at_ Rs. 1900/ sq. m. of
    collector area

17
Participating Banks/FIs
Public Sector Banks 1. Canara bank 2. Bank of Maharashtra 3. Union bank of India 4. Syndicate bank 5. Punjab Sind bank 6. Punjab national bank 7. Andhra bank 8. Vijya bank 9. Dena bank 10. Bank of India 11. J K Bank 12.Oriental Bank of Commerce NBFCs 13.IREDA 14. Nagarjuna Credits Capital Ltd 15. SREI Infrastructure Finance Ltd 16. Bhonsale Leasing Finance Co. 17. Madhya Pradesh Financial Corp. Private Banks 18. Ratnagar bank Ltd 19. The United Western Bank Ltd. Rest are Co-operative banks
18
Roof top SPV Systems
  • May be installed in commercial establishments,
    institutions, government buildings, shopping
    malls, hotels, hospitals, industry and housing
    complexes etc.
  • These systems could either be grid connected or
    without grid connectivity
  • System capacity covered is 25 100 kWp. Smaller
    capacity systems (not less than 10 kWp) to be
    considered on case-by case basis
  • Financial support
  • _at_ Rs 100/ Wp, subject to maximum of 40 of the
    system cost to non-profit making organizations
  • _at_ Rs 75/ Wp, subject to maximum of 30 of the
    system cost to profit making organizations who
    can avail accelerated depriciation

19
  • Environment Earth Science Building ,
    IIT Kanpur
  • TCI Building, Haryana
  • Saves 64 energy
  • Saves 82 water
  • Produces zero waste
  • Initial cost increases by 12
  • 10 saving in total cost
  • Hitkarini college, Jabalpur

20
Solar chimney
TERI Retreat, Gurgaon
CII excellence center, Bangalore
BSBE building, IIT Kanpur
ITC green center, Gurgaon
21
A Solar Housing Complex at Kolkata
22
Another View of a Single House
23
Thanks!
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