The PV panels produce power during sunhours when there is light, i.e. there is no need for direct sunlight from a clear sky. However, the more light the more electricity the system will produce.

Solar PV is a mature and proven technology. However, no technical system can be expected to work flawlessly without proper monitoring, checkups and service.
To professionally monitor a PV system you need dedicated equipment and software. Further, it is very complex to analyze if the solar PV system performed as expected as it depends on the weather for that specific period. For this reason you need access to reliable and accurate irradiation data (from satellites or local sensors), which Bright Sunday has access to. In reality this is not possible for most companies and, consequently, they will not know how well or poor it is performing. Even a downtime of e.g. 5% would impact the financial returns significantly. This a key reason to not invest yourself and instead play it safe and opt for a Solar as a Service PPA (for further reading click here).

Bright Sunday only uses premium high-quality products from large suppliers. PV panels typically have 10-12 years product warranty and a 25 year production warranty, i.e. a guarantee that the panel after 25 years will produce at least 82-84% of the power it did when brand new. The inverters typically have a product warranty of 10-12 years.