For EPC

Acceptance and disputes cleanly documented.

As a contractor you stand between client, manufacturers and subcontractors. We establish technical facts: at acceptance, for defect notices and for variation claims — neutral, standard-compliant and admissible in court.

At a glance: We secure your position with neutral measurements and standard-compliant documentation, at acceptance as well as in a dispute.

Swornpublicly appointed experts
VdScertified
TÜVcertified expert assessors
100%manufacturer-independent

What we do for you

Acceptance testing to DIN VDE

Independent acceptance of PV plants and storage systems, including IEC 62446, curve measurement, thermography and a test report. For BESS: capacity measurement, SOH determination and BMS function testing.

IEC 62446DIN VDE 0100-600IEC 62619
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Defect evaluation & variation claims

Are the notified defects justified? Who bears responsibility — design, workmanship or component? We evaluate neutrally on technical grounds and quantify the cost of rectification or price reduction.

Defect noticeResponsibilityCost assessment
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Court-proof documentation

Evidence preservation and private expert reports for independent evidence proceedings and civil litigation, prepared to the requirements of the German Code of Civil Procedure, with photo documentation and measurement records.

Civil procedureEvidence proceedingsExpert report
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Frequently asked questions — EPC & contractors

The client refuses acceptance — what can you do?

We inspect the plant neutrally against the contractually agreed standards and document the actual condition. The report shows whether there are grounds to refuse acceptance and separates genuine defects from unjustified demands.

A module or inverter manufacturer rejects the claim — can you help?

Yes. Using electroluminescence, IV curve measurement and laboratory analysis we prove serial faults and component defects and assign responsibility, as a basis for your recourse claim.

Can you attend a site inspection in evidence proceedings at short notice?

We respond to enquiries within 24 hours and align with the court calendar where deadlines apply. Offices in Munich, Frankfurt and Stuttgart, operating across Europe.

We want to sell a developed project — can you support this?

Yes. With a vendor due diligence we prepare your technical documentation on the seller side, for ready-to-build projects as well as existing plants. A cleanly documented technical baseline shortens the buyer review and supports the price.

What does an independent acceptance cost?

After a short description of plant size and scope of inspection you receive a transparent fixed-price offer from us, usually within 24 hours.

Request a quote

Tell us about your project or dispute. We will respond within 24 hours with an initial assessment and a fixed-price offer.

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Last updated: 2026-09-23