Exciting News – Partnership with Sungrow!

September 4, 2024

We are thrilled to announce that we have officially signed Service Partner Agreements with Sungrow Europe to provide services in the Netherlands, Germany, and Hungary!


This strategic partnership marks a significant step forward in our commitment to delivering exceptional service in the renewable energy sector.


At Heliostoik Group, we believe in the power of collaboration to drive innovation and excellence. By partnering with Sungrow, a global leader in PV inverter technology and energy storage solutions, we are poised to provide our customers with state-of-the-art technology and unparalleled service.


Our teams are eager to get started and work closely with Sungrow Europe to enhance our offerings. Together, we will focus on delivering efficient, sustainable, and reliable services to clients across these key markets.



Stay tuned for updates on our joint initiatives as we embark on this exciting journey together. We can’t wait to bring you the best in service excellence!


By looka_production_148759550 May 20, 2025
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!
By looka_production_148759550 April 24, 2025
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April 15, 2025
Preventive Maintenance isn’t just a box to tick—it’s a strategy that saves real kWh and prevents costly surprises . Every time we carry out preventive maintenance, we always find something that could have become a problem: ✅ Modules with cracked glass —they might seem harmless now, but over time they lead to Riso faults and energy losses. ✅ Rodent activity —small spaces that look innocent today can be entry points tomorrow, damaging cables and components. ✅ Worn-out sealings —humidity finds its way in, leading to corrosion, insulation faults, and long-term damage. These issues don’t appear on your monitoring dashboard— until it’s too late . With a solid Preventive Maintenance program, we find and fix these early. That means higher uptime , fewer faults , and more energy generated —consistently. 🛠️ Preventive Maintenance Prevents Losses. And that’s not just a saying—it’s proven in every field visit we make. #solarpower #preventivemaintenance #solarO&M #yieldoptimization #energyefficiency #solarinvestment#solarmaintenance