Challenge: High energy bills (averaging £180/month), south-facing roof with minor shading from a nearby tree.

Solution: 4.2 kWp solar panel system with a 5 kWh battery. Shading modelled at design stage to optimise panel placement.

Results:

• Annual electricity bill reduced from £2,160 to £820
• Saving: £1,340 per year
• System payback period: 7.2 years
• SEG export earnings: £180/year

“The team was honest from day one. They told us what we’d actually save, not what sounded impressive. The results have matched their estimate almost exactly.”— Customer, Bristol