Your SlideShare is downloading. ×
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Energy Audit Synopsis
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Energy Audit Synopsis

1,991

Published on

AIESEC IIT Kharagpur's initiative to conduct the first ever student run not for credit energy audit of the whole IIT Kharagpur campus.

AIESEC IIT Kharagpur's initiative to conduct the first ever student run not for credit energy audit of the whole IIT Kharagpur campus.

Published in: Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,991
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
144
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  1. AN AIESEC & ECOZEN SOLUTIONS INITIATIVE Energy Audit, IIT Kharagpur Preliminary Audit Synopsis 2010 UNDER THE GUIDANCE OF P RO F ESS O R N. K . KI S HO RE & D R. P BAJ PA I
  2. Introduction The energy consumption facts for IIT Kharagpur, including the Institute campus and the off-campus pumping stations at Anicut and Balrampur are:  Gross Annual Energy Consumption: 1,38,000 GJ (95,000 GJ in electricity + 43,000 GJ in fossil fuels)  Total Annual Electricity Consumption: 2,64,28,079 kWh (Mar ’09 – Feb ’10)  Approximate per capita consumption of electricity: 2402 kWh/year  Total Annual Electricity Bill: INR 11,18,20,656  Gross Annual Carbon footprint in equivalent tons of CO 2 : 25,000 tons Energy Balance of IIT Kharagpur IIT Kharagpur Campus + Pumping Stations Fossil Total Annual Electricity Consumption Fuels 95 ,000 GJ/yr [2,64,28,079 kWh/yr] [43 TJ] Lab Air Pumps Illumination Computers HVAC apparatus Circulation 2.5% 25.65% 9.37% 26% and machines 4.48% 35% Fi gure 1: Energy Balance of IIT Kharagpur The usage of electricity in IIT Kharagpur Campus is distributed as given below: HVAC Academic Illumination 26.01% 34.49% Street Lights Residential Comertial Computer 19.80% Air Circulation Others Others 4.48% 9.37% 5.86% Figure 1: Area wise distribution Figure 2: Sector wise distribution 2
  3. Proposals for reducing energy consumption and energy wastage – [Infrastructural Changes] What • Replacement of HPSV streetlights by LED lights. Proposal • Streetlights currently account for 5.8% of IIT Why Kharagpur’s electricity bill. 1 • LED’s are up to 52% more efficient and 1.4 times economical in the long run. • Phase I: Replacement along Shahid Tarakeshwar How Road and 2.2 circuit. • Replacement would lead to approx. 58% savings in the target patch. Infrastructural Cost • Phase I investment: INR 36.8 lacs • Simple payback period: 53 months • Modernization of corridor illumination system What • Install motion sensors, master switches and timers Proposal • Contributes 1.81 % to Kharagpur’s electricity Why bill, excluding Hostels. 2 • No. of appliances are way more than required. • Replace tubes with CFL's How • Motion sensors in low utilization areas • Master switches in high utilization areas Infrastructural • Phase I: INR 92,000 for installation of motion Cost sensors in 60% of corridors • INR 50,000 approx. for master switches o Proposal 1: 3
  4. • Renovation of illumination system of Central What Library • Motion sensors, reduction in lights Proposal • Certain areas in central library have light Why intensity twice as required 3 • Utilization at many places is extremely low • Reducing the number of lights How • Using motion sensors • Repositioning lights in some places Infrastructural • Phase I: INR 50,000 approx. for motion sensors Cost • INR: 50,000 for rewiring What • Installation of online energy meters for academic complex and halls. Proposal •The Academic Complex and halls together account Why for 67% of the institute's total electricity consumption. 4 •Lack of awareness and energy accounting. • A web portal to monitor and display energy How consumption in real time. • Increase in awareness and consciousness facilitating wastage reduction Infrastructural Cost • Phase I investment: INR 16.4 lacs (approx) • Payback period: Depends on users' initiatives o Proposal 1: 4
  5. Proposals for reducing energy consumption and energy wastage – [Behavioral Changes] What •Assigning targets to departments and halls to reduce consumption Proposal 1 •Departments are not aware of the wastages occurring due to poor monitoring Why •No monitoring implies no awareness amongst students •Holding inter-hall contests as an incentive to initiate Behavioral energy conservation. How •Similarly having a rating system for departments and providing incentives accordingly. What •Launching an aggressive 'Go Green' Campaign. Proposal 2 •Awareness among the IIT community is the first step Why to ensure an energy efficient campus. •IIT KGP should be a part of the world-wide Green Movement How •Vigorous campaigning via posters, presentations, competitions and workshops. Behavioral o Proposal 1: 5
  6. Heating, Ventilation and Air Conditioning (HVAC) Audit Distribution of tonnage Centralized Air-Conditioning plants in IIT Kharagpur campus New Academic Complex = 510 (59.2%) Mechanical Central Engineering Library/Netaji Department Auditorium = = 16 (1.9%) 100 (11.6%) Total 861 tons Remote Bio Sensing (100%) Technology (ISRO) = 30 Department (3.5%) = 80 (9.3%) CSE E & ECE Department Department = 45 (5.2%) = 80 (9.3%) Distribution of Calculated Cooling load of New Academic complex (Total = 510 tons) Seminar Kalidas SMST Halls 13% 4% Takshila 3% 65% Lecture Halls 15% 6
  7. • Installation of stand alone air conditioning system to What handle the cooling requirements of critical rooms in the New Academic Complex Proposal Why • To turn off the main chiller plant when only cooling of critical rooms is required 1 How •Long Distance Piping Packaged Air Conditioners (LDPPAC): 4 units of 22 tons each •Verticool Split Air Conditioner (VSAC) : 7 units of 2.5 tons , 11 units of 3.5 tons and 7 units of 4.5 tons Infrastructural •LDPPC: Cost- INR. 26.40 lacs , Payback period- 8.5 Cost months •VSAC: Cost- INR. 19.10 lacs, Payback period- 5.7 months •Usage of extra 510 tons available in the chiller plant What of the New Academic Complex as district cooling plant Proposal • Old and inefficient cooling systems in different parts Why of the campus •Replacing them by more efficient chiller plant of 2 Ramanujan Complex •Installation of underground insulated pipes along How with pumps to supply chilled water to other small plants of the campus Infrastructural Cost •Cost of installation:INR. 10 lacs •Payback period: 2.4 years o Proposal 1: 7
  8. • To reduce inflitration Proposal What • To set inside temperature at 25 degree celcius 3 • To reduce extra cooling load of Why conditioned space • Creating awareness among people Behavioral How • Using spring loaded door instead of sliding door. Fossil Fuels Audit The end usage of fossil fuels in IIT Kharagpur Campus is given below: GJ/month Tons CO2/month Static Sources 1708.8 126.4 Mobile Sources 2612.2 60.5 Figure 1: Energy Consumption among static and mobile sources 8
  9. Motorcycle 59% Auto Rickshaws City Car 1% 17% Taxi 6% Heavyweigh t Vehicles LPG KEROSENE CHARCOAL DIESEL 17% Figure 2: Energy Consumption among static sources Figure 3: Energy Consumption among mobile sources 1200 1158 1000 800 Energy GJ/month Hall of Residence Restaurants 600 Techmarket Main Complex 400 208 200 130 96 58 39 12 8 0 LPG KEROSENE CHARCOAL DIESEL Figure 4: Distribution of Energy Consumption 9
  10. Proposals for reducing energy consumption and energy wastage – [Infrastructural Changes] What • Building Biogas plants to treat the food waste from mess kitchens Proposal Why • The biogas generated can be used as a substitute for LPG 1 How • Build two different Biogas Plants capabable of treating 650 kg/day of food waste each Infrastructural Cost • Phase I investment: INR 3.25 lacs • Simple payback period: 1 year What •Installation of Solar cooker for boiling water in the mess kitchens Proposal • Solar cookers provide an efficient and grean way to Why boil water •LPG currently used for boiling water can be saved 2 using this renewable energy source How • Installing a Scheffler type solar cooker and doing the civil work involved Infrastructural Cost •Phase I investment: INR 55,000 •Simple payback period: 3 years Proposal 1: 10

×