Initiatives on Solar Water Heating System in Haryana by

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Initiatives on Solar Water Heating System in
Haryanaby

• Sumita Misra, IAS
• Director
• Renewable Energy Department, Haryana
• HAREDA

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WORKING OF SWHS
THE SOLAR WATER HEATER IS BASED ON THE PRINCIPLE
OF BLACK BODY ABSORPTION. THE BLACK SURFACE OF
COLLECTOR ABSORBS HEAT ENERGY FROM SUN AND
TRANSFERS IT TO THE WATER PASSING THROUGH THE
TUBES OF COLLECTOR.
Cold Water Tank
Hot Water Outlet
Collector
Hot Water Distribution
Cold Water Inlet
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WHY SOLAR WATER HEATING SYSTEM ?

• Solar water heating system is the most
  techno-economically viable option for low grade
  water heating applications.
• Solar water heating technology is a mature
  technology with a manufacturing base of more than
  80 BIS approved flat plate collector
  manufacturers and more than 30 evacuated tube
  collector based solar water heating system.
• 1000 solar water heating systems of 100 lpd
  capacity contribute to peak loading shaving of 1
  MW and each 100 lpd system contribute to 1.5 tons
  CO2 emission reduction.

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INITIATIVES FOR SOLAR WATER HEATING SYSTMES

• Haryana is the first State in the country to
  issue a comprehensive notification dated
  29.07.2005 on Energy Conservation Measures. It
  makes Solar Water Heating Systems mandatory for
  water heating application in all functional
  buildings where hot water is required.
• The Haryana Urban Development Authority has
  adopted the mandatory provisions on HAREDA vide
  their letter dated 28.11.05.
• The Department of Urban Local Bodies, Haryana
  has also amended the Haryana Municipal Building
  Bye-laws vide Notification dated 16.11.07.

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NOTIFICATION ON MANDATORY USE OF SWHS

• Solar Water Heating has been made mandatory in
  
• industries,
• hospitals and Nursing Homes, Govt. Hospitals,
• Hotels, Motels and Banquet Halls,
• Jail barracks,
• Canteens, Housing Complexes set up by Group
  Housing Societies/Housing Board,
• all Residential buildings built on a plot of size
  500 sq.yds. and above falling within the limits
  of Municipal Committees/Corporations and HUDA
  Sectors, and
• all Govt. buildings, Residential Schools,
  Educational Colleges, Hostels, Technical/Education
  al Institutes, District Institute of Education
  and Training, Tourism Complexes and Universities
  etc.

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PROMOTION OF SWHS AS DSM

• To promote SWHS, Rebate upto Rs.300/- per month
  for three years in electricity bills for domestic
  users. On 100 lpd system rebate is _at_Rs100/- per
  month, on 200 lpd system rebate is Rs.200/- per
  month and on system of capacity 300 lpd or more,
  the rebate is Rs.300/- per month for three years.
• Capital subsidy on domestic solar water heater up
  to Rs.10000/- for all Haryana residents. On flat
  plate collector based system, the subsidy is
  _at_Rs.2500/- per sq. meter of the collector area
  limited to Rs.10,000/- and for ETC based
  systems, the subsidy is _at_ Rs.4000/- per 100 lpd
  limited to Rs.8000/-.
• During 2008-09, 250 domestic solar water heating
  systems of 52,000 lpd capacity were installed
  which is a record.

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DEMONSTRATION OF SWHS IN SOCIAL SECTOR

• Only State in the country to provide 90
  financial assistance on installation of solar
  water heating systems in social sector
  institutions. This initiative has been
  appreciated by the MNRE/GOI
• Institutions like Old Age Homes, Working Women
  Hostels, Orphanages, Charitable NGO institutions,
  Deaf Dumb Rehabilitation Centers, Sports
  Hostels, Hostels for SC students, Natural
  Treatment centers, Red Cross institutions, Govt.
  hospitals etc. are eligible for financial
  assistance.
• The scheme received a very good response from
  the social sector institutions.
• In 2008-09, solar water heating systems of 84,500
  lpd capacity were installed in 41 social sector
  institutions.

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ACHIVEMENTS OF SWHS PROGRAMME

• During the last 3 years, 388 solar water heating
  systems of 4,83,500 LPD were installed in the
  state which is 369 more than the corresponding
  previous 3 years period leading to peak load
  shaving of 4.83 MW.
• During 2008-09, SWHS of 2,02,500 liters capacity
  were installed leading to a peak load shaving of
  2.02 MW and reduction of emission of 3038 tones
  of CO2 which is a record.
• One of the largest SWHS of 50,000 litres
  capacity was installed in the Chelsea Textile
  Mills, Gurgaon.
• Since inception of the programme, 1400 SWHS of
  12,05,000 litres capacity have been installed in
  the State.

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COST ECONOMICS OF 200 LPD SYSTEM

• System Cost Rs. 40,000/-
• Capital subsidy (State) Rs.10,000/-
• Rebate in electricity bills Rs.7200/-
• Avoided cost of electric geyser Rs. 3000/-
• Effective cost Rs.19,800/-
• Electricity saved annually 1500 units
• Rs.6000/-
• Payback period 3.3 years

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COST ECONOMICS FOR A 5000 LPD INDUSTRIAL SWHS

• Energy reqd. in heating 5000 ltrs of water upto
  5000 X 1 X 45
• 60 C with 15 C average inlet Water Temp
  225000 K Cals.
• Calorific Value of Diesel 10000 K Cals.
• At 70 efficiency useful energy gained / LITRE
  7000 K Cals.
• Diesel Saved Per day
  225000/ 7000
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  32liters
• Diesel Saved Per Annum for 320 days working
  Rs.3.2 Lacs
• 320 X 32 X 31 per annum _at_ Rs.31 Per liters
  
  
• Cost of 5000 LPD SWHS
  Rs. 8 lacs
• Amount saved in 1st Year In terms of energy
  Saving Rs.3.2 lacs
• In terms of 80 depreciation benefit in 1st Year
  under\ Rs. 1.9 lacs
• Income Tax Act ( 30 tax saving)
• Investment Recovery in 1st Year Rs. 3.2 Rs.
  1.9 Rs. 5.1 Lacs
• Total Cost Saving in 1st Year
  Rs. 8 Rs.5.1 Rs. 2.9 LACS
• Pay Back Period of System
  less than 1.5 Years

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Thanks Email hareda_at_chd.nic.inwebsitewww.hare
da.gov.in