1. Does a photovoltaic system require maintenance? What warranty does it have? Can a panel fail, and how would I know?
Even though it’s not complicated, it is an electrical power generation system — sometimes connected to high voltage — so it must be properly maintained to optimize performance, prevent risks, and comply with the law.
Our systems are monitored in real time, so we can detect any issue and act quickly. We also monitor performance trends to perform predictive maintenance, but at least one annual check of the inverter, junction boxes, cabling, and panels is recommended.
Panels can fail — the most common hidden issue is the formation of hot spots from shading. A well-designed system and regular maintenance help prevent this. You’ll notice performance drops that don’t recover even in ideal conditions. Identifying the faulty panel requires a thermal inspection.
We guarantee correct installation for two years, during which we include free maintenance. We also transfer the manufacturer’s equipment warranty to the system owner.
2. What warranty do the panels have?
In general, panels come with a product warranty of 15 to 25 years depending on the brand, and a power output warranty of 88.85% of nominal power for up to 30 years.
3. What warranty do the batteries have?
Battery manufacturers offer warranties ranging from 5 to 10 years, provided the equipment is used and maintained according to the manufacturer’s instructions.
4. If I install panels on the roof, do they need frequent cleaning? Does maintenance include panel cleaning?
Cleaning frequency depends on your local climate (rainfall), nearby conditions (e.g., unpaved roads, birds), and roof tilt — not whether the panels are on the roof or ground-mounted.
We offer free monitoring for the first two years, but it does NOT include cleaning. However, we do offer cleaning as an additional service.
5. If I change my router, will I lose access to the system’s production data?
Each router has a unique password, so if you change it or the Wi-Fi credentials, the inverter needs to be reconnected and reconfigured to the new network.