How much energy do solar panels produce in Welwyn Garden City?

A 5 kWp solar panel system in Welwyn Garden City, United Kingdom produces approximately 5,144 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Welwyn Garden City?

A 5 kWp system without battery saves approximately €497 per year (accounting for 22% self-consumption and feed-in tariff for surplus). The payback period is 13.6 years.

What is the optimal panel angle in Welwyn Garden City?

The optimal tilt angle for solar panels in Welwyn Garden City is 40 degrees facing -4 degrees from south.

Solar Panels in Welwyn Garden City

United Kingdom · 51.80°N, 0.21°W

Solar Potential

Moderate

1,029 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

System Size

Battery Storage

Annual Output

5,144kWh

Net Annual Savings

€497

Payback Period

13.6 yrs

25-Year Net

€9,148

Savings Breakdown

Self-consumed (22% of 5,144 kWh)1,132 kWh × 0.280 €/kWh

→ Savings from own usage+€317

Injected to grid (78% of production)4,012 kWh × 0.045 €/kWh

→ Feed-in revenue+€181

Net Annual Savings€497

Installation cost (5 kWp × 1,350 €/kWp)€6,750

United Kingdom Solar Policy

Smart Export Guarantee (SEG): £0.03-0.05/kWh typical, up to £0.25 with battery. 0% VAT on solar + battery.

Source: Ofgem, UK BEIS

The savings estimates shown are for informational purposes only and do not constitute financial advice. Actual savings depend on your specific installation, roof condition, shading, consumption patterns, and future electricity price changes. Feed-in tariffs and regulations change frequently. Always obtain quotes from certified installers and consult a financial advisor before making investment decisions.

Monthly Energy Production

207 kWh

277 kWh

445 kWh

570 kWh

599 kWh

606 kWh

612 kWh

561 kWh

487 kWh

351 kWh

245 kWh

184 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	207	48
February	277	65
March	445	106
April	570	140
May	599	149
June	606	153
July	612	157
August	561	142
September	487	121
October	351	85
November	245	58
December	184	43
Total	5,144	1,266

Environmental Impact

CO2 Saved Per Year

1,199 kg

Equivalent Trees Planted

54 trees

Optimal Panel Angle

40° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 51.80174°N, 0.20691°W
System Loss: 14%
Optimal Inclination: 40°
Optimal Azimuth: -4°
Yearly Irradiation: 1266 kWh/m2
Retail Electricity Price: 0.280 EUR/kWh
Feed-in Tariff: 0.045 EUR/kWh
Install Cost: 1,350 EUR/kWp

€1,438

Want to compare Welwyn Garden City with another city?

Use our interactive calculator to compare any European location.

Open Calculator