Energy Efficiency & ESCO Services SUJAY KUMAR SAHA Head of - PowerPoint PPT Presentation

1 Energy Efficiency & ESCO Services SUJAY KUMAR SAHA Head of Group – Demand Side Management

2 About Tata Power-DDL Parameter Unit July ‘02 March‘17 % change OPERATIONAL PERFORMANCE AT&C Losses % 53.1 8.59 85% System Reliability – ASAI -Availability Index % 70 99.51 41% Transformer Failure Rate % 11 0.84 90% Peak Load MW 930 1791 85% Length of Network Ckt. Km 6750 15378 128% Street Light Functionality % 40 99.41 150% CONSUMER RELATED PERFORMANCE New Connection Energization Time Days 51.8 5 90% Meter Replacement Time Days 25 5 80% Provisional Billing % 15 0.86 94% Defective Bills % 6 0.13 98% Bill Complaint Resolution Days 45 4 91% One of the Most Successful Private Power Mean Time to Repair Faults Hours 11 1.50 87% Distribution Utility Call Center Performance - Service Level % - 95 Payment Collection Avenues Nos. 20 6725 33525% Consumer Satisfaction Index % - 90 License Area: North and North West Delhi (510 OTHERS sq. km) Capex (Cumm) Rs. Crs 1210 6393 428% License Period : 25 years 126% Consumers Count 7 Lacs 15.8 Lacs Employees Count 5600 3537 37% Certifications : ISO 9001, 14001, 27001, 22301, 31000 ; SA 8000 ; OHSAS 18001 UN Global Compact Reporting

3 Dem and Side Managem ent Dem and Side Managem ent ( DSM) is the implementation of those measures that help the consumers to use electricity more efficiently and in doing so reduce the utility costs. This, in turn, will help the electricity consumers to cut costs. Reduction or shift in energy use during critical Dem and periods for short duration delivered immediately Response Customer Awareness of peak power (KW) Dem and demand Managem ent Permanent reduction in energy use Energy Efficiency driven mainly by equipment upgrades Saving energy by taking an Conservation action that often becomes a habit

Need for DSM and its benefits • Flattened load curve helps • Peak Load reduction DISCOMs optimize power • Reduce Cross Subsidy, thus NEED FOR DSM procurements costs (reduction of BENEFI TS OF DSM reduction of regulatory surplus power) overhang • Reduce overall costs of energy • T&D Loss reduction by reduction systems – helps to meet people’s load on network and pf energy needs at a lower cost improvement • Preserve the environment • Reduce power shortages and power cuts. • Reduction of harmonics in system, enhancing life of electrical assets • Improve the reliability and quality of power supply • Capital deferment by optimizing load

TPDDL SYSTEM LOAD PROFI LE Load Duration Curve of TPDDL Demand wise duration of TPDDL 1800 1600.00 1600 1400.00 1400 1200.00 1200 1000.00 Hrs 1000 800.00 800 600.00 600 400.00 400 200.00 200 0.00 0 0% 3% 6% 9% 12% 15% 18% 21% 24% 27% 30% 33% 36% 39% 42% 45% 48% 52% 55% 58% 61% 64% 67% 70% 73% 76% 79% 82% 85% 88% 91% 94% 97%  TPDDL’s load is above 1600 MW for MW Load Duration Drawl Limit Time Slots Total Hours only 16.5 hours Above 1700 2 0.50 1600 – 1700 64 16.00  Similarly, TPDDL’s minimum drawl 1500 – 1600 350 87.50 experienced was 323.82 MW with 400 – 500 1012 253.00 load staying below the 500 MW for Below 400 61 15.25 268.25 hours January 2016 PwC 12

ESCO Service 6 Objective:- To identify potential energy saving through audit and get benefit from guaranteed energy saving solutions & allied activities through implementation of energy performance improvement projects Key Milestone Achieved : • Empanelled by BEE as Grade 1 ESCO Rating Re-Empanelled six ESCO agencies for the Year 17-18 • • Discovery of competitive energy audit price (range of Rs. 4000/ to Rs. 50,000/) as per load and customer segmentation wise • Collaborative partnership with ESCO project implementing agencies and technology solution providers (like Honeywell, Katyani, Smart Joules) USP: • Investment Grade Energy Audit • Partnership with OEM and Technology solution providers • Performance guarantee from ESCO agency as per baseline • Financing Model Particulars FY 17 (Actual FY 18 Cumulative ) (Actual) Energy Audit 19 MW 52.5 MW 71.5 conducted (MW) ESCO Implementation 2 MW 6.58 MW 8.58 (MW) KPI UoM FY 18 FY 19 FY 20 FY 21 FY 22 Total (5 Yrs) 50 70 100 150 200 570 Energy Audit Services MW ESCO Implementation MW 20 30 40 50 50 190

Filtering and prioritizing - Energy Conservation Measures High Payback – Less than 6 months P r i Payback – Between 6 – 36 o months r i t y Payback – more than 36 months Low

8 RESPONSIBILITY MATRIX ESCO ACTIVITIES Complying with performance guarantee against annual energy savings or revenue sharing guarantee as per contract with the customers Monitoring and Execution of project as per contract with Verification (M&V) consumer of energy savings Project implementation plan for EE measures within defined timeframe Carry out detailed Energy Audit and provide recommendations w.r.t Cost-benefit analysis and payback period

9 Benefits of ESCO BENEFI TS TO CUSTOMER TPDDL & BENEFI TS SOCI ETY Improved Improved machine productivity efficiency Reduced To optim ize consum ption w ill TPDDL peak load lead to reduced consum ption, greenhouse gases thus reduction of & carbon pow er purchase footprint cost Savings in electricity bill

Financial Options ESCO Customer ESCO Customer TPDDL TPDDL

ESCO Service Savings in Hospital Utility through implementation of ESCO projects outside TPDDL Licensed Area CMC Ludhiana Hospital: 4 MW load; 22% energy saving in 9 months

ESCO Service Savings in Hospital Utility through implementation of ESCO projects in TPDDL Area St. Stephen’s Hospital: 2.03 MW load; 20% energy saving in 12 months Actual

13 M/s B.G.Shirke INDUSTRY TYPE - CONSTRUCTION/FABRICATING UNIT Monthly Savings 450000 4.3 % 4.9 % 400000 4.2 % 5.3 % 5.4 % 350000 5.5 % Energy ( Kvah ) 300000 250000 200000 150000 100000 The energy saving measures 50000 implemented at M/S B.G. Shirke 0 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17 focused on Automatic Harmonic Month Protection and Motor Optimizing Solutions. Baseline kVAh Actual KVAH Project Implemented in the SAVINGS ACHIEVED month April 2017 Savings of 10.34 lakh units in 6 months Investment of Rs 11.9 lakhs with payback in 6 months

14 Khosla Medical Institute & Research Society INDUSTRY TYPE - HOSPITAL LOAD PROFILE Lighting Miscellaneous 5% 8% Utilities 36% Cooling 51% The energy saving measures implemented at Khosla Medical Institute & Research Society focused on high energy consuming cooling equipment since they form the maximum load of the total consumption. Lighting Cooling Utilities Miscellaneous

15 Khosla Medical Institute & Research Society SAVINGS ACHIEVED Savings in monetary terms - INR 4.5 Lakh in 6 Months

16 Load Optimized Solution Partial Load condition without electrical load and PF control at Machine level: • Active Load: - kW • Reactive Load: - rkVA • Apparent Load: - kVA (billed) r k V A kW

17 Load Optimized Solution Partial Load condition with electrical load and PF control at Machine level: • Active Load: - kW • Reactive Load: - rkVA • Apparent Load: - kVA (billed) r k V A New kW ESCO Use Case Calculation.xlsx

18 Loss Reduction Energy Efficiency Use Case Calculator Sl No Items 1 Billed Max Demand (kVA) 100 2 Billed PF 0.9 3 Actual Max Load (kW) 90 4 Improved PF 0.999 5 Improved Billed Demand (kVA) 90.09 % of savings 9.9 5% Normal Electrical Network Distribution loss in industry  Overall energy efficiency of Industry = 50% = 0.83 (17% T&D Loss) x 0.95 (95% Transformer efficiency) x 0.9 (90% motor efficiency) x 0.7 (30% loss in mechanical system like coupling/driver train/pump/valve)  Capacitor Capacity kVAr requirement = kW[tan Ф 1 - tan Ф 2] = kW[tan{cos -1 (cos Ф 1)} – tan{cos -1 (cos Ф 2)}] 2 / V 2  Reactive kVAr produced in case of lower voltage will be ratio of V 1 2 (where V 1 = actual voltage & V 2 = rated voltage)  Capacitor consumes 0.2 to 6.0 Watt per kVAr  Reduction of Distribution Loss % in kWh due to PF improvement from pf1 to pf2 = [1 – (pf1 / pf2) 2 ] x 100%

19 ESCO Based LED Street Light for North DMC North DMC Project Highlights North DMC Project Status • Consortium partner - Havells • Package 1 inaugurated by Mayor • Implementation and maintenance for seven North DMC on 17th October 2017, years under ESCO model Implementation completed. • 1.14 lakh lights in package 1 at Narela and Rohini Zone Package 2 inaugurated on 2 nd Nov • • TPDDL order Value – Rs. 77 Crore (around) 2017, Implementation is in progress • 0.9 lakh lights in package 2 • TPDDL order Value – Rs 64 Crore (around) • Load reduction of 14 MW in TPDDL area • Ensure guaranteed energy saving of 64 %