| Relevant Project Experience |
Number, size, technology type, and geographic diversity of completed PV projects. |
At least 3 comparable projects completed in the target climate, grid environment, or market within the previous 5 years. |
Completion certificates, client references, project capacity records, commissioning dates, and geographic project list. |
Comparable experience reduces design, permitting, logistics, and commissioning risks. |
High |
| Technical Design Capability |
Quality of electrical, structural, civil, and energy-yield design. |
Design package should include single-line diagrams, string layout, cable sizing, protection coordination, grounding, structural calculations, and energy-yield modeling. |
Redacted engineering drawings, calculation samples, design-review procedure, and professional engineer credentials where required. |
Complete design documentation supports safe construction, predictable performance, and approval by local authorities. |
High |
| Module and Inverter Compatibility |
Electrical compatibility, operating voltage, current limits, power ratio, and system architecture. |
The proposed configuration must remain within the stated operating limits of all major equipment across the full expected temperature range. |
Datasheets, compatibility calculations, temperature-correction calculations, and final equipment schedule. |
Incorrect matching can cause clipping, downtime, warranty disputes, or premature equipment failure. |
High |
| Standards and Certification |
Use of recognized PV installation, electrical, quality, and safety practices. |
Project documentation should address IEC 62446-1 testing and documentation requirements, applicable IEC equipment standards, and the electrical code of the destination country. |
Inspection and test plans, compliance matrix, certificates of conformity, and jurisdiction-specific code review. |
Standards compliance improves safety, insurability, grid acceptance, and long-term maintainability. |
High |
| Quality Management |
Formal control of materials, workmanship, inspections, nonconformities, and corrective actions. |
A documented quality management system aligned with ISO 9001 principles, supported by inspection hold points and traceable records. |
Quality manual, inspection and test plan, nonconformance reports, internal audit records, and material traceability procedure. |
Consistent quality controls reduce rework, hidden defects, and warranty-related disputes. |
High |
| Health and Safety Performance |
Safety management, worker training, incident prevention, and high-risk activity controls. |
Project-specific safety plan covering work at height, electrical isolation, lifting, fire prevention, emergency response, and personal protective equipment. |
Safety plan, training records, risk assessments, toolbox-talk logs, incident statistics, and site audit reports. |
Strong safety management protects workers and limits schedule, legal, and insurance exposure. |
High |
| Local Licensing and Permitting |
Ability to manage construction permits, grid studies, inspections, and utility approvals. |
A written responsibility matrix should identify every permit, approval, submission date, responsible party, and dependency before construction begins. |
Permit register, sample approval package, local professional credentials, utility-interconnection experience, and authority correspondence. |
Permitting delays are a common cause of missed commercial operation dates. |
High |
| Procurement and Supply Chain |
Availability, origin, lead time, transport planning, customs handling, and substitute-equipment controls. |
Provide a procurement schedule with confirmed lead times, at least one approved contingency option for critical components, and documented incoming-goods inspection. |
Bill of materials, supplier qualification procedure, delivery schedule, logistics plan, customs documents, and inspection records. |
Supply-chain transparency helps prevent construction stoppages and unapproved substitutions. |
High |
| Installation Productivity |
Planned labor capacity, construction sequence, site logistics, and realistic installation output. |
The baseline schedule should include mobilization, civil works, mounting, cabling, testing, inspections, grid approval, and weather contingency rather than only panel installation. |
Detailed schedule, resource histogram, site logistics plan, subcontractor list, and progress-report template. |
A realistic schedule provides a more reliable basis for financing, procurement, and revenue planning. |
Medium |
| Commissioning and Acceptance Testing |
Verification of electrical safety, system performance, communications, protection, and documentation. |
Testing should include continuity, polarity, insulation resistance, open-circuit voltage, operating current, protective-device checks, inverter settings, monitoring validation, and thermal inspection where appropriate. |
Signed commissioning records, calibrated instrument certificates, punch list, as-built drawings, and performance test report. |
Structured commissioning identifies defects before handover and establishes a reliable operational baseline. |
High |
| Energy-Yield Assurance |
Accuracy of production estimates and treatment of losses, degradation, availability, shading, soiling, and weather variability. |
The model should separately disclose irradiation assumptions, temperature loss, mismatch, wiring loss, inverter loss, availability, soiling, degradation, and curtailment. |
Energy-yield report, simulation assumptions, meteorological data source, loss diagram, and sensitivity analysis. |
Transparent assumptions make financial forecasts easier to audit and compare. |
High |
| Performance Monitoring |
Visibility of system availability, production, alarms, weather conditions, and performance ratio. |
Monitoring should provide time-stamped data, role-based access, alarm history, remote diagnostics, and monthly performance reporting. |
Monitoring-system demonstration, data-retention policy, alarm escalation procedure, sample dashboard, and reporting format. |
Fast detection of faults improves uptime and supports warranty and insurance claims. |
High |
| Warranty Coordination |
Responsibility for equipment warranties, workmanship defects, claim submission, and replacement logistics. |
The contract should clearly distinguish equipment warranty, installation workmanship warranty, response time, remedy period, exclusions, and transport responsibility. |
Warranty matrix, draft contract clauses, claim workflow, spare-parts plan, and escalation contacts. |
Clear responsibility prevents gaps between manufacturer warranties and installation obligations. |
High |
| Operation and Maintenance |
Preventive maintenance, corrective response, vegetation or soiling control, spare parts, and reporting. |
The O&M plan should define inspection frequency, response-time targets, critical spares, cleaning approach, vegetation control, firmware management, and annual reporting. |
O&M agreement, preventive-maintenance checklist, staffing plan, spare-parts inventory, and service-level terms. |
Long-term maintenance quality strongly influences availability and lifecycle cost. |
High |
| Cybersecurity and Data Protection |
Protection of monitoring platforms, remote access, credentials, communications, and operational data. |
Use unique user accounts, multi-factor authentication where available, least-privilege access, secure password management, backup procedures, and documented incident escalation. |
Cybersecurity policy, access-control matrix, backup procedure, network diagram, and data-processing terms. |
Connected PV systems can create operational and data-security risks if remote access is poorly controlled. |
Medium |
| Environmental and Social Management |
Waste handling, land disturbance, biodiversity, community impact, worker welfare, and end-of-life planning. |
Provide a project environmental and social management plan covering waste segregation, hazardous materials, erosion control, local labor, grievances, and decommissioning responsibilities. |
Environmental plan, waste-transfer records, labor policy, stakeholder register, and site-restoration provisions. |
Responsible practices support permitting, lender requirements, community acceptance, and ESG reporting. |
Medium |
| Financial Strength and Commercial Terms |
Ability to finance mobilization, manage cash flow, provide security, and absorb project risks. |
Commercial offer should define payment milestones, retention, liquidated damages, change-order rules, performance security, insurance, taxes, and currency exposure. |
Audited financial information or equivalent due diligence, insurance certificates, bond capacity, contract template, and tax structure. |
Financial resilience reduces the risk of abandonment, delayed procurement, or unresolved claims. |
High |
| Contract and Risk Allocation |
Clarity of scope, interfaces, acceptance criteria, delays, force majeure, defects, and dispute resolution. |
Use a contract with a clear scope matrix, measurable milestones, documented change control, governing law, dispute mechanism, and defined handover requirements. |
Draft EPC or installation agreement, responsibility matrix, risk register, insurance terms, and dispute-resolution clause. |
Well-defined risk allocation limits misunderstandings and makes project outcomes enforceable. |
High |
| International Logistics Capability |
Experience with Incoterms, export documentation, customs, inland transport, port handling, and remote-site delivery. |
The logistics plan should specify Incoterms 2020 responsibilities, packaging standards, insurance, customs documents, delivery sequence, and damage-claim procedures. |
Sample shipping file, logistics schedule, packaging specification, customs checklist, and cargo-insurance terms. |
Coordinated logistics reduces damage, demurrage, customs delays, and site-storage exposure. |
High |
| Handover Documentation |
Completeness and usability of as-built records and operational information. |
Handover package should include as-built drawings, equipment registers, test records, certificates, manuals, warranty documents, spare-parts list, and training records. |
Sample indexed handover dossier, document-control procedure, training agenda, and acceptance checklist. |
Accurate records lower future maintenance costs and preserve asset value. |
High |
| Evaluation Method |
Consistency and transparency of supplier comparison. |
Use a weighted scorecard: technical capability 25%, compliance and safety 20%, commercial terms 20%, delivery and logistics 15%, O&M and warranty 15%, sustainability and communication 5%. |
Completed evaluation matrix, evidence register, clarification log, reference-check record, and approval trail. |
A weighted process reduces subjective selection and makes the final decision auditable. |
High |
