Technician in safety gear inspecting solar panels with a laptop on a rooftop.

Field Inspection

We perform on-site quality control during delivery, installation and commissioning. We use advanced inspection techniques, including infrared thermography and electroluminescence (EL), to verify the performance, quality and safety of equipment.

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Inspection

Root Cause Analysis (RCA) – Mounting Structures

Kiwa PI Berlin performs Root Cause Analysis (RCA) of issues identified in the mounting structure, focusing on investigating and assessing any defect or condition that may compromise the safety, integrity or performance of the photovoltaic plant.

Solar panels installed in a large photovoltaic field under a clear blue sky.

Inspection

Root Cause Analysis (RCA) – Inverters

Kiwa PI Berlin performs Root Cause Analysis (RCA) of inverter-related issues, providing detailed findings and mitigation recommendations based on a comprehensive assessment of multiple measurable data sources. The analysis is supported by proprietary cloud-based software capable of processing large datasets to identify anomalies and failure patterns. The service can be delivered both remotely and on-site.

Close-up of an electronic circuit board with red resistors, black integrated circuits, and surface-mounted components.

Consultancy

Construction Milestone Verification

Kiwa PI Berlin verifies contractual payment milestones by assessing whether construction progress meets the requirements defined in the contract. This can be performed through on-site inspections or by remotely reviewing project and contractual documentation.

Worker inspecting solar panels on a solar farm, walking along a maintenance walkway with a forest in the background.

Consultancy

Warranty Claim Support

Preparation of an expert assessment based on the results of a Root Cause Analysis (RCA) to support the client's warranty claim process and evaluate future risk exposure.

Two people examining a large solar panel setup indoors, with one wearing protective gear and gloves and the other leaning over the equipment.

Consultancy

Performance Ratio (PR) Validation

Kiwa PI Berlin reviews O&M procedures during the operational phase to verify that the photovoltaic plant achieves the required Performance Ratio (PR). In addition, recommendations are provided to support the long-term achievement of the expected energy yield.

Solar panels in a photovoltaic power plant with monitoring equipment and a dirt access road at sunset.

Consultancy

Construction Supervision

Kiwa PI Berlin performs quality control inspections before and throughout the construction phase of a photovoltaic power plant. Construction supervision includes specific QA/QC inspections, on-site measurements and verification of compliance with contractual requirements, applicable standards and the Inspection and Test Plan (ITP).

Rows of solar panels mounted on metal frames in an outdoor field, with a forest in the background.

Consultancy

Provisional Acceptance Supervision (PAC)

Kiwa PI Berlin supports the client prior to the issuance of the Provisional Acceptance Certificate (PAC) by verifying the proper operation of the plant in accordance with the conditions defined in the construction contract. The service may be provided remotely or on site and includes oversight of performance testing as well as dedicated tests performed by Kiwa PI Berlin.

Colored thermal image of a solar panel array with rows of photovoltaic cells and visible heat variations across the surface.

Consultancy

Final Acceptance Supervision (FAC)

Kiwa PI Berlin supports the client prior to the issuance of the Final Acceptance Certificate (FAC) by verifying the proper operation of the plant in accordance with the conditions defined in the construction contract. The service may be provided remotely or on site and includes oversight of performance testing as well as dedicated tests performed by Kiwa PI Berlin.