The fire at a UK hospital last week, blamed on its rooftop solar array, has sent a jolt through the industry. The BBC reported that the blaze, which damaged part of the hospital roof, was caused by the solar panel system, though no injuries occurred. As reported by the BBC, the cause is under investigation, but the incident has already triggered headlines that risk scaring off households considering solar.
How common are solar panel fires?
Very rare. The UK’s Microgeneration Certification Scheme (MCS) tracks installation data and incidents. Between 2010 and 2023, over 1.5 million solar PV systems were installed in the UK. The London Fire Brigade reports attending fewer than 30 solar-related fires per year across the capital, a fraction of the 20,000-plus domestic fires they handle annually. Fire services in the UK have not issued any blanket warnings about solar panels. The risk is comparable to that of any electrical appliance: the danger lies in faulty installation or damaged wiring, not the panels themselves.
What went wrong at the hospital, and what it means for homes
The hospital system was almost certainly larger and more complex than a typical domestic array. Commercial installations often involve higher voltages and more complex string configurations. But the underlying cause, likely a loose connection, a damaged cable, or a defective inverter component, can happen in any system. That is why UK building regulations (Part P) and MCS standards require that all domestic solar installations be carried out by certified professionals. The key safety components are DC isolators (which disconnect the panels from the inverter), proper earthing, and arc-fault detection devices. A well-installed system on a UK semi-detached house will have all of these. The catch: not all installers are equal. The industry has seen a rise in cowboy operators offering cheap deals, especially since the energy crisis. A cut-price install might skip a DC isolator or use substandard cabling.
What homeowners should check, and do next
If you already have solar panels, the most important step is a visual check: look for signs of animal damage (squirrels love chewing cables), loose wiring, or scorch marks around the inverter. Annual servicing by an MCS-accredited electrician costs typically between £100 and £200 and is strongly recommended by the Energy Saving Trust. If you are considering solar, insist on an MCS-certified installer. The scheme is not perfect, but it sets the baseline for training, safety, and insurance. The government’s Smart Export Guarantee (SEG) also requires MCS certification for most tariff eligibility, so there is a financial incentive to go legit. The hospital fire shows solar, like any electrical system, requires respect and maintenance. But the numbers show it remains one of the safest, most reliable home energy upgrades available, and one that cuts a typical 3-bed semi’s electricity bill by 50% or more.
Quick answer
A solar panel fire at a UK hospital has raised concerns, but for homeowners the risk is extremely low. UK installations must meet strict safety standards, and modern panels are rigorously tested. The bigger risk is poorly installed or maintained systems, which is why certified installers and routine checks matter.
Frequently Asked Questions
No. There is no general safety alert from the UK government or fire services. If you are concerned, book an annual maintenance check with an MCS-certified electrician. Do not attempt to disconnect the system yourself, solar panels produce DC voltage even when the inverter is off.
Most standard home insurance policies in the UK cover solar panels as part of the buildings insurance, including fire damage. Check your policy wording, some require you to notify the insurer when panels are installed. If you lease panels or are on a rent-a-roof scheme, the ownership arrangement may affect cover.
