CII 18 th National Award for Excellence in Energy Management ICICI Bank Zonal Office Ambattur, Chennai

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1 CII 18 th National Award for Excellence in Energy Management ICICI Bank Zonal Office Ambattur, Chennai Click to add Text August 30 & 31, 2017

2 Ambattur Tower Year of occupation 2008 Area Sq.M. No. of floors G + 5 No. of work stations 2375 Air cooled chillers Diesel Generator UPS Transformer Total connected load 3 x 263 TR 2 x 625 kva 1 x 250 kva 2 x 120 kva 1000 kva 950 kw

3 Beginning of Journey Description FY 2014 Annual consumption Lac kwh Annual Cost Rs. Lac EPI 206 EPI needs reduction Systematic Approach Energy Management Plan Energy Audit Eliminate Wastage Optimise Capacity Invest ment Employee comfort is not compromised

4 Energy Distribution Profile Type of load Working kw HVAC 356 IT 40 Others / Utilities / Pumps 160 Lighting 60 Total 616

5 Brainstorming and Action Active participation of Employees and Facility Managers Use less energy Use energy efficiently Use renewable energy

6 Road Map Step 1- Identify 2014 Identification Power Crisis Energy Management Audit and Analysis Step 2- Consolidate & Synergise 2015 Establish measurement systems Equipment optimisation Low investment projects Step 3 - Institutionalise 2016 Continue past initiatives Involve mass participation Alternate source of energy Step 4- Spreading 2017 Involving business partners Safe and sustainable workspace culture Giving back to society - CSR

7 UPS Optimisation Before Primary UPS - 5x120 KVA Battery Bank 100AHx32x5 Charging battery 100AHx32x3 Server UPS 2x30 KVA Battery Bank 100AHx30x2 After UPS post optimisation - 2x120 KVA Battery Bank 100AHx32x2 Units Savings: kwh / Yr

8 DG Optimisation Before Office Hours DG 1x 625KVA 9am to 6pm Post office Hours DG 1x625KVA 6pm to 9pm Consumption 300 KWh After Office Hours DG 1x 625KVA Post office Hours DG 1x250KVA Consumption 120 KWh Units Savings: KWh / Yr

9 Other Projects Optimisation of HVAC Timing Control Alteration of set points Thermal performance/leakages Filter cleaning/wet servicing Lighting control Total x2 40W CFL De-lamped 545 % de-lamped 25% Occupancy based lighting - Cafeteria Annual Savings: kwh Annual Savings: kwh

10 ENCON Projects - Investment FY FY FY Inverter AC LED Retrofit HVAC Optimisation Reflective Glass Day light harvesting Roof Top Solar AC Installation STP Integration UPS Optimisation Investment:93 Lac Savings: kwh Investment:0.5 Lac Savings:19000 kwh Investment: 5.10Lac Savings:98000 kwh

11 LED Retrofit Load Quantity Old wattage New wattage 36W TL x18W CFL Spot light x36W CFL 2x2 fitting W CFL Street Light Total Investment: 82.2 Lac Payback: 30 Months LPD improvement: 52% Savings: 2.21 Lac KWh/Yr

12 Monitoring October 2015 DATE KWAH PF MD Units Consumption EB units DG Units EB & DG Units Remarks Training RBH meet Trends in energy consumption and operating pattern Specific area of energy wasted

13 Optimisation - Air Conditioning Eliminate additional load on chiller operations Trainings extended beyond office hours / holidays Dedicated ACs installed against 263TR chiller 5.5 TR x 1 Duct 4 TR x 3 Cassette AC Replacement Annual Savings: kwh Inverter Star Rated ACs at 24x7 ATM and Control room Annual Savings: kwh

14 Specific Energy Consumption Carpet area (Sq.m.) EPI 28% FY13-14 FY14-15 FY15-16 FY FY13-14 FY14-15 FY15-16 FY Total no. of employees FY13-14 FY14-15 FY15-16 FY16-17 Area and manpower increased

15 Innovative Projects Rain Water Harvesting Day Light Harvesting Storage pit -Connecting 5 sumps Ltrs water collected Used for gardening Savings: 12 tanker water

16 Internal benchmarking EPI as on Mar We are here

17 Road map to achieve benchmark FY18 HVAC Retrofit Lighting Control Façade Replacement Wind Solar Hybrid Chiller pipeline replacement Lac Pumps and valves Lac Expected savings 1.02 Lac KWh Pulling chords Occupancy based lighting Workspace Investment 4 Lac Triple barrier semi-unitized structural glazing system Single glazed 6mm low heat glass U value 3.85 W/Sq.m K SHGC 0.45 Clean and Green Power Leverage Differential unit cost NIL Investment Investment: 127 Lac Estd. Savings: 1 Lac KWh BEE Rating

18 GHG Inventory & certification Year Scope-I Scope-II Total FY FY VC facility reduced air travel 4000 employees per year Reduction of CO2 emission - 48 Tons Pollution control check employee vehicles Elimination of fuel transportation losses

19 Renewable Energy Roof Top Solar OPEX model Capacity 120 kwp Annual Generation 1.68 Lac kwh (9%) 8% utilization during Peak hour Average 4.12 kwh per day / KWp CO 2 Abatement 138 tons per annum Mitigates Urban Heat Island Effect Cost Benefit 3.8 Lac for 6 months

20 Best Practices Neem Tree Plantation High temperature resistant Control carbon emission Humidity absorbent Life span > 150 years Restoration of green cover STP Integration Drain line channelized to centralized STP of CAAIIUC Water recycled, used for Gardening plants in Ambattur Savings in motor operation KWh/Yr

21 Best Practices - Green Zone Paper reduction Inventory rationalisation Image based processing Waste paper recycling

22 Best Practices - IT Initiatives Replacement of 950 desktops with Energy star labeled desktops and laptops Auto switch off - Monitors Printer with duplex printing Recycled printer cartridges Multifunction devices: Printer-Scanner-Photocopier 70% reduction in energy consumption by efficient and optimized equipmentphotoc

23 Training Energy Savings through Behavioral change Employee Training Involvement in Energy Management activities OEM/HK/Security Training - Energy management No cost Awareness campaign

24 Thank you