How much energy do solar panels produce in Chiswick?

A 5 kWp solar panel system in Chiswick, United Kingdom produces approximately 5,150 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Chiswick?

A 5 kWp system without battery saves approximately €498 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 Chiswick?

The optimal tilt angle for solar panels in Chiswick is 40 degrees facing -5 degrees from south.

Solar Panels in Chiswick

United Kingdom · 51.49°N, 0.26°W

Solar Potential

Moderate

1,030 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

5,150kWh

Net Annual Savings

€498

Payback Period

13.6 yrs

25-Year Net

€9,167

Savings Breakdown

Self-consumed (22% of 5,150 kWh)1,133 kWh × 0.280 €/kWh

→ Savings from own usage+€317

Injected to grid (78% of production)4,017 kWh × 0.045 €/kWh

→ Feed-in revenue+€181

Net Annual Savings€498

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

212 kWh

274 kWh

442 kWh

574 kWh

598 kWh

606 kWh

616 kWh

551 kWh

482 kWh

354 kWh

249 kWh

191 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	212	49
February	274	65
March	442	105
April	574	141
May	598	149
June	606	154
July	616	158
August	551	140
September	482	120
October	354	86
November	249	59
December	191	44
Total	5,150	1,272

Environmental Impact

CO2 Saved Per Year

1,200 kg

Equivalent Trees Planted

55 trees

Optimal Panel Angle

40° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 51.49271°N, 0.25801°W
System Loss: 14%
Optimal Inclination: 40°
Optimal Azimuth: -5°
Yearly Irradiation: 1272 kWh/m2
Retail Electricity Price: 0.280 EUR/kWh
Feed-in Tariff: 0.045 EUR/kWh
Install Cost: 1,350 EUR/kWp

€1,435

Want to compare Chiswick with another city?

Use our interactive calculator to compare any European location.

Open Calculator