Status Update/ Progress for R&D, and Pilot Projects on Battery Energy Storage Systems (BESS) TERI & BRPL

Transcription

1 Status Update/ Progress for R&D, and Pilot Projects on Battery Energy Storage Systems (BESS) TERI & BRPL 3 rd August, 2018 Courtyard Marriott, Downtown Portland, Oregon, USA Supported By: Dr. Shashank Vyas, Associate Fellow & Er. Alekhya Datta, Fellow Electricity & Fuels Division (EFD), TERI

2 R&D OBJECTIVE AND RESEARCH PLAN Broad objective To test the concept of energy management in distribution feeders with PV penetration and battery energy storage system which will be met with the help of following tasks planned: Design of an energy management system logic for coordinating supply from the utility (grid simulator), PV, and the loads; Study of peak shaving/ energy shifting application of Battery Energy Storage System (BESS) using a sample switching profile for load emulator (load profile) and emulated solar PV generation profile with the help of the microcontroller logic; Study of frequency response application of Battery Energy Storage System (BESS) using a sample switching profile for load emulator (load profile) and emulated solar PV generation profile; Use of off-grid/ battery inverter, in-coordination with the grid-tied solar PV inverter, to perform the intentional islanded operation on the emulated network. 2

3 INFRASTRUCTURE FACILITIES AT TERI S SMART CONTROLLER LABORATORY (SCLAB) Major Equipment at SCLab Schematic Diagram of Lab Set-up 3

4 URBAN DISTRIBUTION PILOT: STUDY OBJECTIVE Aim of the study is to assist utility (BRPL) to mitigate/ address large-scale rooftop PV-Utility grid integration issues as mentioned below: Peak Shaving/ Shifting Improving Reliability Intentional Islanding/ Micro-Grids Voltage Support Impact on Network Elements EV Charging Infrastructure (V-2-G) 4

5 UTILITY-LEVEL LOAD PROFILE (FOR LAST 3 YEARS) FOR NCT OF DELHI Online Access: Source: BRPL 5

6 PILOT DEMONSTRATION OF GRID-SCALE BATTERY ENERGY STORAGE SYSTEMS (BESS) IN BRPL BUSINESS AREA IN NCT OF DELHI Detailed feasibility study was conducted for following consumer segments: Category A: Demonstration of grid-scale energy storage systems for a selected distribution/ LT feeder having substantial penetration of Solar Rooftop PV systems; Category B: Demonstration of grid-scale energy storage systems for a selected group housing society/ gated community having rooftop Solar PV power plants installed, and Category C: Smart Meters and Energy Storage Systems for selected Research Institution (under HT category, having existing Solar Rooftop PV systems & EVs) 6 Online Access:

7 SHORTLISTED LOCATIONS WITHIN BRPL LICENSEE AREA Category A 1) New Friends Colony Tamur Nagar (TN-NFC) 2) D-Block, East of Kailash (EoK) 3) Vasant Vihar: Vasant Vihar Grid to F- Block (VVR) Category B 4) DMRC Metro Enclave, Sec - 6, Pushp Vihar (DMRC) 5) RBI Colony, D-Block Vasant Vihar (RBI) 6) Management Apartment, Plot No. 17, Sec-5, Dwarka (MA) 7) True Friends Apartment, Plot No. 29, Sec-6, Dwarka (TF) Category C 8) TERI School of Advanced Studies (TERI-SAS) Note: Site Survey was conducted in the month of Jan./ Feb

8 SEASONAL PEAK DAYS FOR DTS UNDER CATEGORY A Online Access: 8 Source: BRPL

9 SEASONAL PEAK DAYS FOR DTS UNDER CATEGORY B Online Access: 9 Source: BRPL

10 SEASONAL PEAK DAYS FOR DT UNDER CATEGORY C Online Access: 10 Source: BRPL

11 YEAR-WISE LOAD & SOLAR PV PROJECTION FOR TN-NFC DT 11

12 APPROACH/ METHODOLOGY FOR BATTERY SIZING AT DT-LEVEL Note: Appropriate charging/ dis-charging time has been considered. 12

13 BATTERY SIZING SCENARIOS: PHASE-WISE MODULAR DEPLOYMENT OF BESS Peak Threshold 80% 85% 90% 95% Battery Size Year kw kwh kw kwh kw kwh kw kwh 2022 Useful Capacity Design Capacity Useful Capacity Design Capacity Useful Capacity Design Capacity Useful Capacity Design Capacity Case for the year 2025: Threshold for Peak Shaving Power Rating (in kw) Useful kwh required from Battery Design Capacity (in kwh) 80% 255 1,322 1,950 85% ,326 90% %

14 SENSITIVITY ANALYSIS FOR BATTERY SIZING TN-NFC DT No : 80% for year 2025 Online Access: 14 Source: TERI Analysis

15 CBA APPROACH FOR TN-NFC DT NO Costs Expected Benefits 6% 4% 3% 1% 16% 2% 3% 7% 4% 3% 2% 4% 2% 41% Container HVAC Battery (LFP) FFS Accessories Integration Cost Indirect Cost PCS UPS Cables LT Panel PLC/ EMS O&M Cost Transformer Difference in off-peak and peak energy prices. Variable renewable energy firming. Network augmentation deferrals. Improving power reliability (reducing outages) 2% Design Cost 376 kwh/ 107 kw BESS Total Cost (INR): 2,65,75,732 Note: Detailed CBA is yet to be completed. 15

16 URBAN DISTRIBUTION PILOT: OUTCOME Reduced stress on Distribution Transformers during peak hours; Improved reliability of distribution system while providing uninterrupted power supply to the last-mile consumers; Ensure the fullest usage of solar power during day time, especially during outage hours; Demand-side Management through consumer participation, and energy storage intervention for peak-shaving; Demonstrating DSO capabilities, and optimal usage of energy storage through commercialization (on premium power supply basis) thus reducing the usage of DG-sets, and Safety Protection Schema of distribution network, considering large-scale rooftop Solar PV penetration, and energy storage. Sustainability & Scalability Post-Pilot: Mass-scale roll-out of BESS for downstream applications of distribution network i.e., at DT-level in-order to manage Peak demand, and reduce stress on network assets. 16

17 TOOL FOR SENSITIVITY ANALYSIS IN STORAGE TECHNOLOGY COSTS What it is: Sensitivity analysis allows the user to explore how the model s output in this case, the annualized life cycle costs and LCOS change when key input parameters are changed. Objective Factors Effecting LCOS: To determine the cost of service of different storage technologies. Stakeholders: System Integrators, Project Developers, Academic & Research Institutions, and Utilities. To analyze critical factors impacting LCOS, and how they can be optimized. Capital Investments P/E Ratio Application & Technology Technical: Power Rating, Energy Rating, Roundtrip Efficiency, Cycle Life & C Rates Commercial: Capex, Opex & Price Signals Therefore, key variable identified to develop Cost Trajectory Source: TERI Analysis 17

18 ELECTRICITY STORAGE COST PROJECTION TOOL (ESCPT) Online Access: 18

19 THANK YOU! Thin-Film based Solar PV Parking Lot cum EVs Charging Station at TREE Building, TERI Gram, Gwal Pahari, Haryana 19