SOLAR / GREEN BUILDINGS : MINISTRY

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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

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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.

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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.

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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.

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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.
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Climatic zones of India
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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).

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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)

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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)

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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.

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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

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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

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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.

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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
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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.

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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

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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
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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

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• 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

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