Why LCOE beats upfront price for comparing solar
The installer quoting the lowest upfront price isn't always the cheapest. Premium panels with higher efficiency, better temperature coefficient, and 30-year warranty may cost 20% more upfront but generate 15-25% more units and last 20% longer. Over 25 years, the premium system often has a lower LCOE — meaning cheaper real cost per kWh despite the higher sticker price.
Pair LCOE with the Payback Calculator for a year-by-year cash-flow view, and use the EMI Calculator to see how financing changes the effective cost per unit.