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SOLAR POWER PLANTS - Coggle Diagram
SOLAR POWER PLANTS
Assessment of a Market
Structure of power market
Credit-worthiness of potential off-takers
Prevailing power prices
FiT
Utilities' RE obligation
Reverse auction
Open markets
Policies and Support mechanisms
Regulatory environment
Site Identification
and Concept Development
Off-taker DD
Financing strategy
Site identification
Pre-feasibility Study
Feasibility Study
Permitting, Financing & Contracting
EPC and COD
Engineering and Procurement
Energy yield
Detailed project documentation
Detailed design
Construction, Commissioning
and Commercial operation
Commissioning
Commercial operation
Construction
Financing
Permitting
E&S considerations
National legislatiion
Lenders/ International best practices
Contracting
Contract strategy
SPV establishment (right of assignability)
Multiple or Single EPC contract(s)?
Coordination of contract signing
Permitting and EHS requirements
Review of E&S considerations
Initial consultation with key stakeholders
Pre-application discussions
Grid connection issues
Review and Inventory of all necessary permits and licenses
Financial feasibility
Financial modelling
Assessment of tariff
Project development and Commercial
Investment concept and Funding requirements
Project structure and Risk-mitigation strategy
Evaluation of commercial structure
Procurement of Owner's Engineer
Land access agreements
Tender and Award of Owner's Counsel
Project implementation plan
Technical design
Electrical cabling design and single line diagrams
Electrical connections and monitoring equipment
Calculation of solar resourse and environmental characteristics
Grid connection design
Production of a detailed site plan
Full energy yield analysis
Shading and Initial layout
Assessment and CBA of different technological options
Outline system design
Electricity tariff
Energy yield: published, high level.solar resource data or assumed PR (nominal values in existing projects) (seasonal production estimates)
A FM
Estimated costs (land, equipment, development, construction and O&M) and revenues
Grid connection likelihood
Conceptual design (MWp + different technology options<=> financial impact)
ESIA
Project site and Boundary area (Access to site - Legel and Technial)
Permitting and licensing
Regulatory: stability, risk of future changes
Solutions to specific challenges
Legal/ Corporate structure:maximize existing/ future incentives
Preliminary timeline for project activities
Regulatory framework and Support mechnisms
Outline of project structure
Preliminary (conceptual) design - an FM
Optimum Power Plant Design
Solar Resource
Energy Yield Prediction
Solar PV Technologies
Step-up transformers
Grid connection interface
Module mounting or tracking systems
Inverters
Solar PV modules
Types of technology
Thin-film
technology
Thin-film
Copper Indium Selenide (CIS) /
Copper Indium (Gallium) Di-Selenide (CIGS)
Cadmium Telluride (CdTe)
Thin-film silicon
No crystals
Amorphous Silicon (a-Si)
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Small crystals
Microcrystaline Silicon
Silicon
wafering
Crystalline silicon (c-Si)
Many silicon fragments
melted together
Multi/Poly Crystalline
(Multi-c-Si)
Single crystal
of silicon
Mono Crystalline
(Mono-c-Si)
Mono-c-Si + a-Si
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Module degradation
Causes
Reversible
Potential Induced Degradation (PID)
Irreversible
Others
Extent and Nature
Crystalline
Light-Induced Degradation (LID)
Amorphous
Staebler-Wronski Effect
Both
Site Selection
Plant Design
Project Implementation
Permits/Licenses and ESIA
Selecting and Contracting (an) EPC contractor(s)
Construction
O&M
PPA
Key Risks
Completion risk
Permitting and Licensing
Construction delays
Regulatory environment
Purchased amount obligation
Price
Energy yield
Change in weather pattern
Performance degradation
Estimation of energy resource
Off-taker creditworthiness
Commercial and Financing
Financing
Equity Financing
Delayed debt financing
Lengthy DD process
Sufficiently high tariffs
Difficult acess to or Expensive debt
Debt financing
Financial Analysis