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Station reliability is our priority
Regular maintenance ensures stable operation of a solar power plant, extends its service life, and helps avoid production losses. The Unisolar team provides a full range of services — from diagnostics to emergency response.
What we offer
Checking inverters, strings, contacts, protection systems.
We detect overheated elements and defects without stopping the station.
We keep your equipment up to date.
Departure in case of failures or force majeure.
Monthly analytics of SES work.
Comprehensive check of the operation of each component.
How we work
From idea to launch, there is a clear process that ensures efficiency at every stage.
01
SPP Audit
We assess the current condition of the equipment, identify risk areas
02
Service Scheduling
We create a service plan taking into account the season and the specifics of the station
03
Visits and work
We perform inspections, maintenance, calibration, replacement of malfunctions
04
Report and recommendations
After each stage — an official report and recommendations for improving efficiency
Our projects
See how we implement solar solutions in real-world conditions — from farms to large-scale industrial facilities.
Ready to reduce business costs with solar energy?
Our engineers will prepare a personalized calculation, help you choose the optimal solution, and support you at every stage of implementation.
Frequently asked questions
We have collected answers to the most frequently asked questions so that you can quickly find the information you need about solar stations and our services.
Do you have any questions? Write to us and we will contact you shortly.
Do I need maintenance if my solar plant is working fine?
Yes. Regular O&M keeps your solar power system efficient and prevents hidden degradation. Even a small drop in performance can lead to noticeable annual generation losses.
How often should a solar station be serviced?
At least once a year, ideally twice – including preventive diagnostics and checks of all key components.
What should I do if a solar panel or inverter fails?
Contact Unisolar technical support. We’ll arrange an urgent on-site visit of our specialists. If you have an active O&M contract, repairs are handled promptly using certified tools and genuine parts.
Do you service solar power plants built by other companies?
Yes. Unisolar provides professional O&M for any solar installation, regardless of the original EPC contractor.
Do you offer 24/7 technical support for solar power stations and solar farms?
Absolutely. Our emergency response team operates around the clock, ready to address any unplanned system issues.
Our customers' reviews
Real stories of cooperation with Unisolar - about experience, results, and impressions after implementing solar projects.
PV system for a bakery in Strășeni, with a capacity of 93.195 kW DC
“In the production process, it is extremely important to have a stable energy supply, as this directly impacts both the cost and quality of the products. A consistent electricity price allows us to plan our expenses more accurately. Thanks to our own solar power plant, we are confident in the stability of both the energy supply and electricity costs.”
Top Valdar, 5.4 MW AC Solar Power Plant
“The photovoltaic park is in excellent condition — the station is performing even better than I expected. I’d give it a solid 10+.
The investment in the solar power plant has fully paid off. The next step is the installation of the first energy storage system (BESS) in Moldova.”
"Vodotyii" SPP 3,077 MW, Ukraine - Energowatt
“We, Ukraine - Energowatt, have been cooperating with Unisolar for a long time, and I can unequivocally say that this is a team of highly qualified specialists who provide a wide range of services for the maintenance of our station, which ensures the planned indicators of electricity generation and, of course, profit.”
Vyshnopil Solar Power Plant, 1.775 MW, Khmelnytskyi region, Ukraine
“FEA Novotsvit company started its cooperation with Unisolar in 2009. At the stage of choosing a contractor and supplier, we pay attention to the portfolio of completed projects, price proposals, reliability, and feedback from companies that have worked with them. I can advise investors who want to build solar power plants in Ukraine to choose reliable contractors, reliable suppliers, and designers who know their business. Unisolar has proven to be a reliable partner both in service support and in the sale of equipment.”
Pysarivka Solar Power Plant, 2.419 MW, Vinnytsia region, Ukraine
“The Energoinwest group of companies has been working in the solar energy market since 2011, and since 2013 we have been fruitfully cooperating with Unisolar. Over 5 years of cooperation, we have been convinced of the professionalism of Unisolar employees at the stage of equipment supply, as well as at the stage of service maintenance.”
Ensure long-term performance and ROI for your solar investment. A solar power plant (SPP) requires regular maintenance to maintain energy generation, avoid unplanned downtime, and extend the lifespan of PV modules and inverters.
Unisolar provides comprehensive O&M services across the EU region, including Lithuania, Ukraine, and Moldova, covering preventive inspections, diagnostics, remote monitoring, and emergency response.
Whether your solar power system has just been installed or has been connected to the grid for some time, whether it was realized by us or another EPC, Unisolar is a trusted partner for the operation and maintenance of your solar project.
Proper operation and maintenance of solar power plants include systematic inspection, diagnostics, and fine-tuning of all components.
Our O&M service package covers:
Unisolar offers free first-year technical maintenance of solar plants upon commissioning and a range of long-term O&M contracts with scheduled servicing and priority support.
Even the most reliable solar power systems require preventive maintenance. Regular servicing helps to:
Unisolar offers several O&M service formats tailored to your project scale and operational needs.
Included in the first year after installation:
Our full-service solar O&M contract includes:
This approach ensures your solar power plant not only stays operational but performs at peak efficiency year after year.
Unisolar provides 24/7 remote monitoring for all solar power plants we operate. Our systems track generation, detect anomalies, and enable proactive maintenance. In emergencies, our certified technicians respond quickly, even in winter or limited-access conditions, reducing downtime and operational losses.
The performance and lifespan of your solar power plant depend directly on the quality of its maintenance.
Request a professional solar audit or select a custom O&M package from Unisolar – and ensure stable, safe, and efficient operation of your solar assets.
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