Blog TARRAMED
Everything about solar panel cleaning
Practical guides with technical data and verifiable sources to help you get the most out of your solar installation.
Performance
How much energy do dirty solar panels lose? Real data
After sunlight itself, soiling is the factor that most affects what an installation produces. We explain how much is lost, using data from real studies.
Read article →
Practical guide
How often should solar panels be cleaned? A practical guide
There is no single frequency: it depends on the surroundings, the tilt and the climate. Here is a practical guide to knowing when your installation needs cleaning.
Read article →
Technical
Purified water for cleaning solar panels: why any water won't do
Tap water leaves limescale on the glass and a pressure washer can damage the panel. We explain which water, pressure and temperature manufacturers recommend.
Read article →
Safety
Can I clean my solar panels myself? Risks, safety and warranty
Climbing onto the roof with a hose looks simple, but it means a risk of falling, of electric shock and of losing the warranty. Here is what manufacturers and the regulations say.
Read article →
Common problems
Bird droppings, nests and Saharan dust: how they affect your solar panels
A single dropping can affect a whole module, and Saharan dust reduces output even before it settles. We explain why and how to protect your installation.
Read article →
Price
How much does solar panel cleaning cost in Tarragona? What affects the price
There is no single rate: the price depends on six factors. We explain what they are and how to work out, using official data, whether cleaning pays off for you.
Read article →
Production
How much energy does a solar panel produce in Tarragona? Month-by-month data
In Tarragona, each kWp installed produces about 1,583 kWh a year. We show you the month-by-month output using official data and how to tell whether your panels are performing as they should.
Read article →
Performance
Does heat reduce solar panel performance? What happens in summer
Solar panels lose 0.4–0.5% of their power for every degree above 25 °C. We explain why and what you can do in summer.
Read article →
Lifespan
How long do solar panels last? Lifespan and degradation
Solar panels are designed to last about 30 years and lose around 0.5% of their power a year. We explain what speeds up wear and how to extend their lifespan.
Read article →
Maintenance
Solar panel maintenance: what it includes and how often to do it
A solar installation needs little maintenance, but not none. We explain what gets checked, how often, and what you can keep an eye on yourself.
Read article →