Maxeon 6 AC 440W
The Maxeon 6 is the most efficient mainstream domestic solar panel on the UK market and carries the longest performance warranty in the segment. The right answer when the available roof area is the limiting factor, not the budget, and the homeowner intends to keep the system running long after the install team has moved on.
- Efficiency
- 22.8%
- Running cost
- £-640/yr
- Installed
- £340 to £420 per panel installed
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Primary question · Does the SunPower Maxeon 6 still earn its premium on a UK roof?
Smaller roofs where the homeowner wants the maximum kWp the elevation can take and intends to be in the house for the long haul.
£340 to £420 per panel installed
- Class-leading efficiency per square metre
- Industry-leading 40-year warranty
- Refined all-black aesthetic
- Most expensive option per kWp installed
- Smaller UK installer pool than Longi or JA Solar
Open the cost planner to estimate your installed price.
Key specifications
- Power output
- 440 W per panel
- Efficiency
- 22.8%
- Temperature coefficient
- −0.27%/°C
- Product warranty
- 40 years
- , Class-leading efficiency per square metre
- , Industry-leading 40-year warranty
- , Refined all-black aesthetic
- , Most expensive option per kWp installed
- , Smaller UK installer pool than Longi or JA Solar
If your brief matches "smaller roofs where the homeowner wants the maximum kwp the elevation can take and intends to be in the house for the long haul.", the Maxeon 6 AC 440W is a confident pick. If it doesn't, the alternatives above are more honest answers.
Estimate your installed cost
The planner uses your specific home; not a brochure number.