Mandatory triennial inspections for photovoltaic installations: everything you need to know
Did you know that solar self-consumption installations, both in homes and industrial environments, require more than just the initial setup? Many people are unaware that there are mandatory triennial inspections and that at EFIWATT we take care of performing them with maximum precision.
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Who mandates the mandatory triennial inspections?
 In order to guarantee safety, performance, and regulatory compliance of the installation, Royal Decree 1699/2011, of November 18, establishes the obligation of these technical inspections every three years.
We are talking about reviews that are not optional nor depend on the owner’s discretion, but are part of the regulations governing small-scale power generation.
Article 10.6 establishes that installations must be reviewed by qualified technicians, who must also issue a detailed technical report on the status of the installation and its compliance with regulations.
In other words, these inspections are a mandatory legal requirement for any photovoltaic installation connected to or integrated into the electrical system.
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What do these reviews involve?Â
The mandatory triennial inspections function as a periodic technical control of the photovoltaic equipment. They are not a simple visual check; rather, they are a complete analysis of the state of that installation.
During these inspections, we review aspects such as:
- State of solar panels and support structures
- Operation of inverters and electrical components
- General safety of the installation
- Performance and potential efficiency losses
- Compliance with regulatory conditions
Following the evaluation, we issue a technical report certifying the state of the installation and, if necessary, corrective measures.
What exactly does the regulation say?
The previously mentioned Article 10.6 of Royal Decree 1699/2011 states that:
- Installations must be reviewed at least every three years
- The review must be carried out by qualified technicians
- A report must be issued with the inspection results
- The owner must keep the report and, if applicable, submit it to the administration
In practice, this means that as an owner, you are responsible for maintaining your installation in proper safety and operating conditions. And at EFIWATT, we help you achieve this through our professional reviews.
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Why are these inspections mandatory?Â
Because they aim to guarantee three fundamental aspects:
- Installation safety
- Proper functioning of the generation system
- Compliance with regulations
Furthermore, they allow for the detection of issues that may go unnoticed, such as performance losses or component degradation.
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What happens if the inspection is not carried out?
 As mentioned, these are mandatory triennial inspections, so failing to comply with this obligation leads to both technical and administrative problems:
- Risks to the safety of the installation
- Loss of energy efficiency
- Regulatory non-compliance
- Difficulties in future procedures and certifications
In solar self-consumption installations in Mallorca, where solar exposure and continuous use are high, this periodic control is especially important.
Who can perform the reviews?
 Only qualified technical personnel can issue the official reports required by regulations. Not just any review has legal validity. It must be correctly documented and certified.
At EFIWATT, we perform triennial inspections of photovoltaic installations in accordance with current regulations, prepare technical reports, and review the entire state of the system to guarantee its safety and operation.
If you need to perform the mandatory triennial inspections or want to ensure your installation is in perfect condition, contact us and we will help you manage it quickly and professionally.
