As the sun shines brighter, solar modules are operating at full capacity—and there’s no better time to assess their true performance. At Heliostoik , we leverage the clear skies for IV Curve measurements , a key technique in solar plant diagnostics. While your modules are busy generating energy, we’re busy collecting the data that tells us how well they’re doing it. 🔍 What Is IV Curve Testing? An IV Curve (current-voltage curve) reveals how a solar module performs under real-world conditions. By plotting the current versus voltage output at various loads, we can detect hidden issues such as: Shading or soiling Cell degradation Wiring or connection faults Mismatches in string performance 🛠️ Predictive Maintenance in Action Why wait for a failure to act? IV Curve analysis lets us spot trends early, allowing preventive interventions before they become costly breakdowns. It’s a pillar of predictive maintenance , and it’s how we keep your assets productive longer. 🦺 Safety Always Comes First Our technicians are trained and certified to perform live measurements under strict safety procedures. Whether it’s isolating circuits, using proper PPE, or ensuring safe work at height— safety is built into our workflow . ☀️ The next time the weather forecast says “Sunny,” think beyond production. Think diagnostics. Think optimization. Think Heliostoik . Want to learn more about IV Curve testing or schedule a diagnostic session? Contact us today!

Heliostoik, a specialist in solar operations and maintenance (O&M), is proud to announce its official entry into the Romanian market. As the region experiences rapid growth in renewable energy investments, Heliostoik brings a new level of quality, responsiveness, and field-proven expertise to the table. Why Romania? Romania stands at a pivotal point in its renewable energy journey. With ambitious EU climate targets and a surge in solar project development, asset owners need dependable O&M partners who can deliver long-term performance and value. Heliostoik is here to meet that demand. Powered by Local Expertise Our expansion is built on the strength of our dedicated local team —professionals with deep experience in solar asset management, maintenance, troubleshooting, and field service operations across Romania. Combining international best practices with regional know-how, Heliostoik is uniquely positioned to serve both utility-scale and C&I (Commercial & Industrial) projects. What We Offer Preventive & Corrective Maintenance Performance Optimization Technical Inspections & Reporting Troubleshooting & Emergency Response Vegetation Management (including grass cutting) Whether you operate 500 kW or 50 MW, we tailor our services to fit your needs. Let’s Talk Are you a solar asset owner, EPC, or investor in Romania? Reach out to our team to see how Heliostoik can help maximize the performance and longevity of your PV portfolio. 📩 Contact us!