Frequently Asked Questions

A home battery stores excess electricity generated by your solar panels for use later—typically in the evening or at night when the sun isn’t shining. This increases self-consumption, reduces reliance on the grid, and can provide backup power during outages. Batteries also allow you to take advantage of off-peak electricity tariffs, giving you more control over energy costs.

Savings vary depending on your energy usage, roof size, system design, and battery capacity. Most homeowners see reductions of 50–70% on electricity bills. Battery storage typically increases savings by storing surplus energy and avoiding expensive
grid electricity, helping protect against rising prices. Over time, a solar and battery system can pay for itself while adding long-term value to your home.

Yes. Modern solar panels are far more efficient than older models and can generate energy on north, east, or west-facing roofs. While south-facing roofs generally provide the highest output, solar still produces useful electricity even on less optimal orientations or overcast days. Our team will assess your roof and provide a realistic estimate of energy generation for your specific home.

In most cases, no planning permission is required. Solar PV and most battery installations are considered permitted development. Exceptions include listed buildings or homes in conservation areas. National Eco Energy manages all checks and paperwork for you, so your installation is fully compliant and stress-free.

A typical solar installation takes 1–2 days, while combined solar and battery systems usually take 2–3 days, depending on complexity. Our accredited engineers work efficiently, keeping disruption to a minimum. We manage scaffolding, electrical work, and certifications so you can start enjoying your system quickly and with peace of mind.

Qualifying solar panels, batteries, and energy-saving equipment are zero-rated for VAT until March 2027 under government regulations. This can reduce your upfront cost by 20%, making your system significantly more affordable. Our quotes clearly outline VAT-free items, and if you choose additional equipment outside the approved list, we’ll explain any VAT implications upfront—no surprises.

High-quality solar panels typically last 25 years or more, and most home batteries have warranties ranging from 10–15 years, depending on the brand. National Eco Energy only uses Tier 1 panels and reputable battery manufacturers, so you can be confident in long-term reliability. All installations come with workmanship guarantees, giving extra peace of mind.

Yes! Solar panels and batteries can be combined with EV chargers to power your vehicle directly from your own renewable energy. This reduces reliance on grid electricity and maximises your savings while lowering your carbon footprint. National Eco Energy can design your system to optimise EV charging alongside your home’s energy needs.

Every kilowatt of solar electricity you generate replaces power that would otherwise come from fossil fuels. This reduces carbon emissions and contributes to a cleaner, greener future. By investing in solar and battery storage, you’re not only saving money—you’re also making a positive, tangible impact on the environment for generations to come.