Save up to 88% on your electricity
- Earn 15p per kWh exporting unused energy to the grid
- Available across 75%+ of the UK
Solar panel systems to suit every home
Whatever the size of your roof and energy needs, there’s a ienergi system to match — every installation comes with the same market-leading guarantees and smart monitoring as standard.
5 Panel System
~2 kWp · ideal for smaller homes
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
7 Panel System
~2.8 kWp · 1–2 bedroom homes
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
9 Panel System
~3.6 kWp · average UK home
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
11 Panel System
~4.4 kWp · 3–4 bedroom homes
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
13 Panel System
~5.2 kWp · larger family homes
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
16+ Panel System
~6.4 kWp · high-usage households
- 25-year manufacturer warranty
- 30-year performance guarantee
- Online energy monitoring
Prices shown are indicative starting points and will vary with your roof, panel choice and battery capacity. Your free survey gives you a fixed, personalised quote — no obligation.
Rated by the people who matter most
“Excellent service from start to finish. From the initial survey to the day of install, the iEnergi team kept me informed and the installers were professional, tidy, and friendly. Highly recommend.”
Matt Manning
May 2026
“Friendly and efficient service from quotation through to completion. On time and a neat installation. Brilliant support at half the price of other quotes. Very friendly and experienced installation team.”
Geoff
May 2026
“The whole project went well from beginning to end. We were guided through a long decision-making process, and once we had accepted the quotation the job was completed quickly and on time.”
Timothy Godwin
April 2026
Why choose ienergi for your solar installation
Trusted local experts
We have teams across the country, which means you get local experts who know your area and homes like yours inside out.
Start-to-finish service
We take care of everything — tailored to your home and your needs. Ongoing aftercare provides long-term peace of mind.
Unlock the best offers
You don't need to be an iEnergi energy customer to install with us. Finance options available from £42/month.
Your solar journey in 4 steps
Get a free solar estimate
Answer a few quick questions online about your home and get a general estimate.
Submit your contact details
We pass your details to a trusted local expert who will contact you to arrange a survey.
Receive a personalised quote
After the survey, you'll get a final quote tailored to your home and your needs.
Get your solar dream sorted
After you accept your quote and pay the deposit, our team will install your solar panel system.
Store your solar. Use it after dark.
Your panels generate the most power in the middle of the day — often more than you use. A battery stores that surplus instead of exporting it, then powers your home through the evening, so you rely far less on the grid.
- Use more of your own clean energy, day and night
- Keep essential power on during a grid outage
- Sized to match your real evening usage
- Add now, or retrofit to existing panels later
Up to 90%
of your solar used at home, not exported
2–3×
more self-consumption vs panels alone
Evening
power drawn from stored daytime solar
Backup
keep essentials running in an outage
Explore ienergi solar offers and add-ons
10-year workmanship warranty
Giving you complete peace of mind for a decade after your solar panel installation.
Smart Export Guarantee (SEG)
Get paid for the electricity you generate and export back to the grid — up to 20p per kWh.
Battery storage solutions
Store excess solar energy and use it in the evening to maximise your self-consumption.
Smart energy monitoring
Track your generation, consumption and export in real time with our smart monitoring tools.
Frequently asked questions
It depends on your home's current energy use. Solar panels are usually the first step for homes with suitable roofs, as they reduce electricity costs directly. Adding a battery improves self-consumption by storing daytime generation for use in the evening, so many homes start with panels and add storage later.
Your panels generate the most electricity in the middle of the day, often more than you use at the time. A battery stores that surplus instead of exporting it, then releases it in the evening and overnight — so you rely far less on the grid.
Yes. Panels generate from daylight, not direct sunshine, so they still produce power on overcast days — just at a lower output. A well-sized UK system is designed around realistic year-round conditions, not just sunny days.
Yes. With a compatible smart EV charger, your car can charge from surplus solar generated during the day, cutting your charging costs significantly. Pairing solar with a battery lets you store daytime energy to charge in the evening too.
Solar panels typically cost £5,000–£9,000 for a domestic system, and adding a battery generally adds £2,000–£5,000 depending on capacity. Use our free estimate tool to get a personalised quote for your home.
Ready for intelligent energy at home?
Start generating cheaper, greener energy — get a free, no-pressure estimate from a vetted local expert today.