No, this is perfectly normal. The 300W designation is for maximum output achieved during ideal laboratory like conditions. In practice things like the angle of the sun, temperature, weather, and cleanliness of the PV panels all play a role.
No, this is perfectly normal. The 300W designation is for maximum output achieved during ideal laboratory like conditions. In practice things like the angle of the sun, temperature, weather, and cleanliness of the PV panels all play a role.