Solar and Battery Costs in Worthing Compared to Alternatives

As energy prices continue to rise across the UK, homeowners in Worthing are increasingly looking for sustainable, cost-effective solutions to power their homes. Solar energy, especially when paired with battery storage, offers a way to reduce electricity bills, cut carbon emissions, and secure long-term energy independence.

But how do the costs of solar and battery systems compare to traditional energy sources such as grid electricity, gas, or even other renewable technologies? This blog breaks down the true cost of solar and battery systems in Worthing and why more homeowners are choosing to make the switch in 2025.

1. Understanding Solar and Battery Installation Costs in Worthing

The total cost of a solar and battery system depends on several key factors:

In Worthing, the average cost for a 4kW solar system ranges between £5,000 and £6,500, while adding a 5–10kWh battery can bring the total to £8,000–£11,000.

Although this may sound like a large investment, the return on savings is significant — often paying for itself within 6–10 years, with systems lasting 25 years or more.

2. Comparing Solar Costs to Grid Electricity

The UK’s energy price volatility has made solar power increasingly attractive. As of 2025, the average household electricity rate in Worthing is approximately 30p per kWh — more than double what it was five years ago.

By comparison, a well-sized solar system can generate electricity at a cost equivalent to 6–8p per kWh over its lifetime.

Here’s a simple cost comparison:

Energy Source	Approx. Cost per kWh	Notes
Grid Electricity	£0.30	Prices fluctuate based on market rates
Solar Power (Lifetime Average)	£0.06–£0.08	Fixed and predictable costs
Solar + Battery (Self-Consumption)	£0.08–£0.10	Maximises stored energy use
Gas Heating	£0.11–£0.14	Dependent on supplier pricing

The data clearly shows that solar power offers long-term cost stability, shielding homeowners from the volatility of grid energy pricing.

3. The Role of Battery Storage in Maximising Value

Battery storage has transformed how solar energy is used in the home. Rather than exporting excess electricity to the grid, batteries store it for later use — such as in the evening or during peak tariff times.

Benefits of solar battery storage include:

In Worthing, the average homeowner can save an additional £300–£500 per year by adding a battery to their solar setup. Over ten years, that’s potentially £5,000 in additional savings.

4. Comparing Solar to Alternative Energy Systems

Let’s compare solar and battery systems with some popular alternatives:

Gas Boilers

Air Source Heat Pumps

Solar + Battery System

When factoring in government incentives and falling installation costs, solar with battery storage now offers one of the best returns on investment in the UK energy market.

5. Government Support and Incentives in 2025

Homeowners in Worthing can benefit from several schemes and incentives:

These incentives help reduce upfront costs and improve overall payback time.

6. Financial Return on Solar in Worthing

Let’s look at a real-world example:

Property Type	System Size	Total Cost	Annual Savings	Payback Period
3-Bed Semi	4kW + 5kWh battery	£8,500	£850	9–10 years
4-Bed Detached	5kW + 10kWh battery	£10,500	£1,100	8–9 years

After the payback period, homeowners effectively enjoy free electricity for the remaining 15+ years of system life.

7. The Long-Term Value of Going Solar

Beyond the immediate cost savings, solar power offers lasting financial and environmental value:

Over 25 years, that’s equivalent to planting over 600 trees per household.

8. Is Solar Worth It in Worthing?

Yes — Worthing enjoys around 1,750 hours of sunshine per year, making it ideal for solar energy generation.
The combination of high grid costs, 0% VAT, and modern battery systems makes solar more affordable and rewarding than ever before.

If you plan to stay in your home for more than five years, solar power is one of the best energy investments you can make.

9. Why Choose All Solar Works

All Solar Works provides expert solar and battery installations across Worthing and the South East, with transparent pricing, fixed quotes, and a focus on long-term customer satisfaction.

Why homeowners choose us: