Founded in 1984, Pro QC International is a global third-party quality assurance company providing objective and cost-effective solutions to the solar panel industry. Our customer-centric approach and
As a globally respected third-party certification provider, we evaluate your products for compliance, help you access global markets and stand out from the competition in an increasingly competitive industry.
We provide testing and certification for PV modules, components, and energy storage systems covering safety, performance, EMC, and efficiency. Our services include product development support,
Our PV module certification services provide you with photovoltaic module testing and certification to ensure that your modules meet the required international standards and confirm quality testing by an
Our photovoltaic performance laboratory testing services for solar panel products provides independent verification of warranty claims, endurance, output, and functionality in a variety of climate or conditions.
Our PV module certification services provide you with photovoltaic module testing and certification to ensure that your modules meet the required international standards and confirm quality testing by an
Discover whether or not your solar investment is performing as promised with objective, third-party photovoltaic system audits. At APC Solar, we quality test every turnkey solar project sold to our
We are an independent third-party quality control provider, trusted by over 50,000 clients worldwide, and experts in overseas and local inspections in the solar industry.
Third-party solar inspections are independent quality assessments performed by certified professionals unaffiliated with manufacturers or installers. Their purpose is to verify solar system compliance with
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Espay Solar Energy S.L. is a leading provider of advanced photovoltaic inverters and energy storage systems in Spain and Europe. We specialize in grid‑tied PV inverters, hybrid inverters, off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion energy storage batteries, LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes battery cabinets with integrated BMS, container BESS, distributed photovoltaic systems, PV energy storage control systems, outdoor all‑in‑one energy storage cabinets, commercial and industrial energy storage solutions, communication battery cabinets, server racks, and transformer capacity expansion services. We assist clients in navigating available energy storage subsidies to maximize return on investment. Whether you need a balcony PV system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with Spanish and European standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.