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From Allocation to Execution:Best Practices- Gensol Consultants Pvt Ltd
Project Allocations & Status                                                              950 MW                          ...
Project Allocations & Status                                                             950 MW                           ...
The Process Flow                         Detailed           Vetting of           Plant                      Project Report...
Land Finalization                       Parameter                                 Purpose  IMPORTANT              Metrolog...
Detailed Project Report      Why is it      Contents required?       •    Site Analysis and Solar radiation resource asses...
Detailed Project Report      Contents       •    Site Analysis and Solar radiation resource assessment       •    Technolo...
EPC Contractor Finalization            Release                   Shortlisting &                   Contract             of ...
EPC Contractor Finalization          Release                Shortlisting &               Contract           of RfP        ...
EPC Contractor Finalization         Release                     Shortlisting &                     Contract          of Rf...
EPC Contractor Finalization           Release                     Shortlisting &                   Contract            of ...
EPC Contractor Finalization          Release                 Shortlisting &                 Contract           of RfP     ...
Vetting of Drawings & Design                        Drawing                                      Purpose                  ...
Onsite Monitoring                              Quality                              Control              Claims &         ...
Commissioning of Plant              Commissioning                                    Evacuation  •  Validating actual gene...
Commissioning of Plant               Commissioning                                  Evacuation  •  Liasoning and approvals...
Ideal Timeline           Project Activities                 1   2   3   4   5   6   7   8 Completion of site visit and due...
Take Away   It takes only 2% change in PLF to take a project from state of art to  disastrous and vice versa, please make ...
Contact Us:      Gensol Consultants Pvt Ltd      14 - 15, 2nd Floor, Camps Corner – 2,      Opp. Auda Garden, Prahladnagar...
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Solar Photovoltaic Power Plant: Best Practices

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Best Practices for Setting up Grid Connected Solar Photovoltaic Power Plant in India

Veröffentlicht in: Technologie

Solar Photovoltaic Power Plant: Best Practices

  1. 1. From Allocation to Execution:Best Practices- Gensol Consultants Pvt Ltd
  2. 2. Project Allocations & Status 950 MW 750 MW 110 MW Rooftop and other small Phase I of JNNSM solar power plants Phase I & phase II of covering plants of capacity connected of capacity up Gujarat Solar Policy more than 5 MW to 2 MW
  3. 3. Project Allocations & Status 950 MW 750 MW 110 MW Rooftop and other small of the total projects JNNSM Financial Closures II of Phase I of have Phase I & phase in 1/3rd solar power plants to 2 MW place covering plants of capacity connected of capacity up and EPC Contractors finalized. Solar Policy more than 5 MW Gujarat
  4. 4. The Process Flow Detailed Vetting of Plant Project Report Drawings Commissioning Allocation Execution Land Contractor Onsite Finalization Finalization Monitoring
  5. 5. Land Finalization Parameter Purpose IMPORTANT Metrological Resource Assessment Energy Generation Capacity of substation Nearest Substation Availability of feeder Transmission Losses Accessibility to site Ease of Delivery of materials Water Availability Water requirement during construction Nearby Terrain Shadow Effects Site Topography To analyze the water blockage problems and placement of mounting structures Availability of Manpower For Construction and subsequent O&M GPS Survey Site Layout Storm History Dust Losses Mounting Structure Strength Type of Soil To analyze the resistivity and load bearing capacity of soil Construction power availability Power Requirement during construction
  6. 6. Detailed Project Report Why is it Contents required? •  Site Analysis and Solar radiation resource assessment •  Prefeasibility Analysis •  Technology Selection : Solar PV modules and BoS •  Acts as a Reference / Guidance Document •  Plant and Machinery (Solar PV array and Electrical System) •  As an instrument for Financial Closure •  Civil and Architectural requirement for the project •  Necessary for claiming Carbon Credits •  Annual energy generation from power plant •  System Schematics •  Power plant operation and maintenance •  Project implementation and schedule •  Project Financials •  Risk Analysis
  7. 7. Detailed Project Report Contents •  Site Analysis and Solar radiation resource assessment •  Technology Selection : Solar PV modules and BoS •  Plant and Machinery (Solar PV array and Electrical System) •  Civil and Architectural requirement for the project •  Annual energy generation from power plant •  System Schematics •  Power plant operation and maintenance •  Project implementation and schedule •  Project Financials •  Risk Analysis
  8. 8. EPC Contractor Finalization Release Shortlisting & Contract of RfP Finalization Design •  Defining Exhaustive Scope of Work with well defined Quality Criteria •  Designing – Engineering Calculations, Site Layout and System Sizing •  Civil – Leveling, Foundations, Mounting Structures, Control Room etc. •  Electrical – Solar Panels, Inverters, Switchyard, Monitoring etc. •  Testing – Performance Acceptance/Guarantee Test •  Operation & Maintenance – Comprehensive Maintenance & Guarantees •  Arranging and coordinating pre/post bid meetings for clarification to the queries of bidders.
  9. 9. EPC Contractor Finalization Release Shortlisting & Contract of RfP Finalization Design •  Defining Criteria for Comparison •  Determination of Minimum Qualification Criteria •  Assigning Weightage to Parameters •  Preparing Comprehensive Scoring Sheet •  Arriving at Final Scores for Responses from EPC Contractors •  Drawing Project Implementation & Drawdown Schedule •  Conducting Background Checks on Tie-ups for Equipment Supply •  Conducting Rounds of Negotiation
  10. 10. EPC Contractor Finalization Release Shortlisting & Contract of RfP Finalization Design Parameters for Judgment Equipment Type | Market Presence | Efficiency | Adherence to Standards | Rate of Degradation EPC Contractor Experience in India and abroad | EPC & O&M Cost | Manpower Experience & Availability | Type & Extent of Guarantees Offered Other Parameters Office in India | Collaboration with International EPC Company
  11. 11. EPC Contractor Finalization Release Shortlisting & Contract of RfP Finalization Design Format 3 separate contracts are typically drawn to reduce tax burden: 1.  Supplies Contract 2.  Services Contract 3.  Operation & Maintenance Contract Further, Supplies Contract can be broken down into Import Supplies for Inverters and modules and Domestic Supplies for the rest of the BoS.
  12. 12. EPC Contractor Finalization Release Shortlisting & Contract of RfP Finalization Design Contents Snapshot •  General Terms of Agreement •  Variations & Adjustments •  Special Terms of Agreement •  Termination •  Payment Milestones •  Warranties •  Liquidated Damages •  Force Majeure •  Insurance •  Guarantees •  Performance Bank Guarantee •  Defects Liability •  Advance Bank Guarantee •  Minimum Energy Generation – Bank Guarantee
  13. 13. Vetting of Drawings & Design Drawing Purpose Site Layout Avoid Shading Losses Module Mounting Structure Strength to withstand mechanical and wind loads Zinc Coating for 25 year corrosion free life Control Panel, Living Accommodation, Pantry, CIVIL Main Control Room Building Bathrooms etc. To ensure proper strength of foundations for Switchyard transformers and other equipment Water Pipes & Drainage Layout To avoid water logging Approach Roads & Pathways To ensure proper access to all parts of the plant Equipment Layout To minimize system losses ELECTRICAL System Sizing (Cables, Inverters, Switchyard) For efficient working while ensuring redundancy Earthing To ensure safety of man and equipment Single Line Diagram To comprehend the fundamental structure of the plant
  14. 14. Onsite Monitoring Quality Control Claims & Reporting Bills Methodology Monitoring Document control and Factory Inspection management Compliance to standards
  15. 15. Commissioning of Plant Commissioning Evacuation •  Validating actual generation against guaranteed generation •  Validating the technical parameters of equipment •  Preparation of final acceptance tests •  Conducting performance tests after successful commissioning •  Schedule for periodic checks •  Preparation of annual maintenance contract along with final list of spares and tools
  16. 16. Commissioning of Plant Commissioning Evacuation •  Liasoning and approvals from authorized government bodies •  The following need to be communicated and finalized with the state utlities: •  Laying of transmission lines •  ABT meters •  Evacuation infrastructure •  Grid availability •  Dedicated feeder •  Evacuation point
  17. 17. Ideal Timeline Project Activities 1 2 3 4 5 6 7 8 Completion of site visit and due diligence Bid Management EPC contractor finalization Vettings of designs and drawings Contract drafting Commissioning of 25% of Project Commissioning of 50% of Project Commissioning of 75% of Project Commissioning of 100% of Project Testing and Handing Over Evacuation arrangement
  18. 18. Take Away It takes only 2% change in PLF to take a project from state of art to disastrous and vice versa, please make sure you are on the right side of this change. THANK YOU
  19. 19. Contact Us: Gensol Consultants Pvt Ltd 14 - 15, 2nd Floor, Camps Corner – 2, Opp. Auda Garden, Prahladnagar, Ahmedabad – 380015, GUJARAT W: www.gensolsolar.com E: solar@gensolconsultants.com Ph: +91-79-39122200

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