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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

Our Team has successfully performed the Hot Commissioning of the PV plant Doetinchem. All the Transformer Stations, inverters and strings have been energized and measured for optimal performance and safe operation. The next step is to Start Maintenance on this PV plant!

At Heliostoik Group, we are excited to announce an upgrade to our Solar O&M offering in Hungary: professional grass cutting. Managing vegetation around solar installations is crucial for maximizing energy output, maintai...

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 ...

We are very proud to announce that another 2 of our technicians have successfully completed a High Voltage Switching course and Exam with practical training completed at a live substation in Debrecen!

The Heliostoik Team in the Netherlands has been very busy for the last year and a half by taken care of a broader aspect of Maintenance: Big repairs