The estimated picture
What a healthy 4.0 kWp system returns in a year.
Used at home
Total worth to you
£1,956.07
per year
Generation payments
£1,530.22
3,534 kWh × 43.3p
Export payments
£79.51
1,767 kWh × 4.5p
Bill savings
£346.33
1,237 kWh × 28p
Calculation breakdown
- Generation payments3,534 kWh × 43.3p
- £1,530.22
- Export payments (deemed 50%)1,767 kWh × 4.5p
- £79.51
- Bill savings (35% self-use)1,237 kWh × 28p
- £346.33
Total worth per year£1,956.07
Lifetime earnings projection
What a healthy system of this size earns across its FIT contract, from commissioning to 2032: an estimated £28,489 so far and a further £11,579 projected to FIT end. Every figure is an estimate, not a measurement of this system.
Earned to dateProjected to FIT end (estimate)
Every figure is an estimate for a healthy system of this size, not a measurement of this one.