Solar Power Plant Maintenance Services
Compared with most other technologies that generate electric power, solar power plants need very little or no maintenance or service.
Service Details
Nevertheless, careful monitoring and regular maintenance of solar power plant operation is recommended because it ensures:
- undisturbed operation,
- optimal electric power generation,
- reduction of damage possibility and potential fire,
- long operational life,
- faster return on investment.
Since we started installing solar plants in 2008, we gained a lot of experience in solar power plant maintenance by carefully monitoring plant operation. Therefore we are able to offer quality maintenance and cleaning systems for your solar power plants:
- Online system for daily monitoring of solar power plant operation: Our experts check equipment operation at least once a day. Monitoring in performed online. In case of potential failure we respond within 24 hours.
- Power plant operation: In accordance with the Energy Act, solar power plants must have a professionally trained operator. If you don’t have an operator, we can perform the operation for you.
- Panel, inverters, AC and DC power cabinet supervision: Most power plant operational failures occur during the summer when the temperatures run higher compared to other seasons. The most common failures are inverters shutting down or fuses overheating etc. These failures can be eliminated within an hour, however if the power plant does not have an operator who regularly monitors its operation, the failure is noticed when the monthly report for produces electric power does not fit the expected amount or it can even be overseen if the failure is smaller. If for example one of the two inverters is ineffective we can lose up to 10% of annual power production in one month, given that the power output is the highest during the summer.
- Visual inspection of the support structure and panels : Visual inspection of solar power plants, mostly support structures and panels, is also very important. Due to weather conditions the joints and attachments in the plant structure located on the roof loosen and weaken very often. With regular renovation we can prevent damages such as a leak in the roof or the wind blowing a part of the plant or even the whole plant away.
- Inspection with a quality measuring equipment and a thermal imaging camera :
- With adequate measuring instrument and a thermal imaging camera we can detect smaller errors that reduce the production of electric power so minimally that it can not be clearly seen on monthly reports. When we discover small errors in time we prevent bigger errors that are much more expensive to fix and can cause a complete power plant shut down. Inspections like this are recommendable once a year.
- With thermal imaging camera we notice anomalies in power plant operation quicker. The advantage of inspecting with a thermal imaging camera is that the power plant can operate during the inspection. Errors that may occur: overheating of individual parts or circuits, weak or loosened joints, cracked cells, broken glass, cracks, broken connections, damaged by-pass diode or connectors, semiconductor material disunity (silicon) etc.
- - With the instruments for testing photovoltaic power plants we perform all the required electrical measurements in compliance with Slovene standard for photovoltaic systems SIST/EN 62446, testing, evaluation and error analysis of photovoltaic systems. It enables I-V characteristics measurement of modules and strings and result calculating of the STC ratings.
- Panel cleaning with a platform lift, demineralized water and rotating brushes: With visual inspection we can see how dirty the glass on the modules is. Dust, leaves, bird dropping and other dirt can significantly reduce the production of solar power plant. Because the modules are connected into strings, the dirt on one of the modules affects the production of the whole string of modules (from 16 to 24 modules). If there is a lot of dirt the cleaning of the modules definitely pays off, as the price for the cleaning is lower than the loss due to lesser production caused by dirt. You have to be careful to hire qualified cleaners with experience. Inappropriate cleaning can cause more harm than good (for example the use od detergents and chemicals, walking around on the modules, the use of sharp objects, the use of water with normal degree of hardness…)
- Information about potential legislative updates, consulting and support: Maintenance services include information about potential legislative updates concerning solar power plant operation and maintenance, as well as consulting and support in annual negotiations for the market prices of electric power produced by solar power plants, sold on the market by subscribers etc.
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