How much energy do solar panels produce in Darwen?

A 5 kWp solar panel system in Darwen, United Kingdom produces approximately 4,428 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Darwen?

A 5 kWp system without battery saves approximately €449 per year (accounting for 24% self-consumption and feed-in tariff for surplus). The payback period is 15.0 years.

What is the optimal panel angle in Darwen?

The optimal tilt angle for solar panels in Darwen is 38 degrees facing south.

Solar Panels in Darwen

United Kingdom · 53.70°N, 2.46°W

Solar Potential

Low

886 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

4,428kWh

Net Annual Savings

€449

Payback Period

15.0 yrs

25-Year Net

€7,669

Savings Breakdown

Self-consumed (24% of 4,428 kWh)1,063 kWh × 0.280 €/kWh

→ Savings from own usage+€298

Injected to grid (76% of production)3,366 kWh × 0.045 €/kWh

→ Feed-in revenue+€151

Net Annual Savings€449

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

133 kWh

222 kWh

393 kWh

530 kWh

579 kWh

554 kWh

551 kWh

494 kWh

403 kWh

271 kWh

182 kWh

117 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	133	32
February	222	53
March	393	94
April	530	129
May	579	143
June	554	140
July	551	140
August	494	124
September	403	100
October	271	66
November	182	43
December	117	28
Total	4,428	1,091

Environmental Impact

CO2 Saved Per Year

1,032 kg

Equivalent Trees Planted

47 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 53.69803°N, 2.46494°W
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: 0°
Yearly Irradiation: 1091 kWh/m2
Retail Electricity Price: 0.280 EUR/kWh
Feed-in Tariff: 0.045 EUR/kWh
Install Cost: 1,350 EUR/kWp

€1,243

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