Solar Power Calculations
This page is intended to be a reference for the main solar power calculations you are likely to want to work out when researching solar panels for your home, business, boat, or off-grid location.
10kw Solar Panel System
An 10 kw solar system for the right home or business should save around £54600 over the course of its expected 25 year lifetime. That’s based on grid electric costing £0.34/ kWh (last updated October 2022).
4kw Solar Panel System
An 4 kw solar system for the right home or business should save around £21800 over the course of its expected 25 year lifetime. That’s based on grid electric costing £0.34/ kWh (last updated October 2022).