We went with SunPower, Q4 install over a weekend—zero downtime like you said. Hit about £32k savings year 3 but inverter hiccups cut output 4%. Anyone else dealing with longer paybacks due to maintenance? factory electricity bills solar had good tips on that.
https://edgarddqe373.theglensecret.com/chinese-solar-panels-when-they-re-actually-the-right-choice
We went with SunPower, Q4 install over a weekend—zero downtime like you said. Hit about £32k savings year 3 but inverter hiccups cut output 4%