Sunline Energy Ltd – Solar & Renewable Energy UK
UK’s Trusted Solar Installer

Power Your Home with Solar Energy

MCS-certified solar installations across the UK. Save up to 70% on energy bills while reducing your carbon footprint. 500+ happy customers served.

500+
Projects Completed
10+
Years Experience
4.9
Customer Rating
70%
Bill Reduction
MCS Certified
Accredited Installer

Your Solar Savings

Estimated monthly savings for a 4kW system

Annual savings£1,200 – £1,800
Carbon reduction1.2T CO₂/year
25yr
Panel warranty
0%
VAT on solar
£1k
Avg. grant available
7yr
Avg. payback period
4kW System
From £5,200 installed
500+
Happy Customers
10+ Years
Industry Experience
4.9★ Rating
Verified Reviews
MCS Certified
Fully Accredited
25yr Warranty
Panel guarantee
0% VAT
On solar installs

Complete Renewable Energy Solutions

From solar panels to smart home integration — everything you need to go green.

Solar Panel Installation

Bespoke rooftop solar systems from 3kW to 100kW+. High-efficiency mono panels with premium inverters.

Up to 70% bill reduction
25-year panel warranty
Smart Energy Monitor app

Battery Storage

Store excess solar power for use at night or during outages. Tesla Powerwall, GivEnergy & more.

10-year battery warranty
Blackout protection
Smart grid export tariffs

EV Charger Installation

OZEV-approved home and commercial EV charger fitting. 7kW to 22kW smart chargers available.

OZEV grant eligible
Charge from your solar panels
App-controlled smart charging

Maintenance & Servicing

Annual health checks, panel cleaning, inverter diagnostics and performance optimisation.

Remote performance monitoring
Priority call-out response
Guarantee compliance check

Energy Consulting

Expert assessment of your energy needs, grant eligibility, SEG tariffs and ROI analysis.

Free initial consultation
Tailored savings report
Grant & funding guidance

Smart Home Integration

Connect your solar, battery, EV charger and appliances into one intelligent home energy system.

Control via smartphone
AI-powered energy scheduling
Real-time usage dashboard

Ready to Switch to Solar?

Join 500+ UK households already saving with Sunline Energy. Get your free, no-obligation quote today.

A Decade of Solar Expertise

Founded in 2016, Sunline Energy Ltd has grown from a small London installation team into one of the UK’s most trusted renewable energy companies.

We believe clean energy should be accessible to every UK household and business. Our certified engineers bring precision, transparency and care to every installation — from a single roof panel to large commercial arrays.

MCS Certified NAPIT Approved RECC Member TrustMark ISO 9001 ISO 14001
Sunline Energy Ltd
Reg. No. 16973849 · SIC 43290
500+
UK Projects
25+
Engineers
10MW+
Installed capacity
4.9★
Customer rating

Company Milestones

16
2016 – Founded
Sunline Energy Established
Started as a two-engineer team in London, completing our first residential solar installations across South East England.
20
2020 – Expansion
National Reach & Battery Storage Launch
Expanded operations nationwide, achieved MCS and NAPIT certification, and launched our battery storage service. Team grew to 15+ engineers.
24
2024 – Innovation
EV Chargers & Smart Home Integration
Launched EV charging and smart home services. Passed 400 completed projects milestone and achieved ISO 9001 & ISO 14001 accreditation.
26
2026 – Today
500+ Projects & Continued Growth
Over 500 installations completed. Recognised as a TrustMark government endorsed business and continuing to set the standard for UK solar excellence.

Powering a Greener Britain

We exist to make clean, affordable solar energy accessible to every home and business in the UK — reducing bills, cutting carbon and creating energy independence.

1,200T
CO₂ avoided to date
£4M+
Customer savings generated
10MW+
Clean energy capacity installed

All Our Services

Six specialist services. One trusted team. End-to-end renewable energy for homes and businesses.

Solar Panel Systems

From 3kW domestic to 100kW commercial. We design, supply and install premium solar PV systems tailored to your roof, usage and budget.

Monocrystalline & bifacial panels
Up to 70% bill reduction
SEG export tariff optimisation
0% VAT on residential installs
Starting from £5,200

Battery Storage Systems

Store your solar energy and use it when you need it most — evenings, overnight or during power cuts.

Tesla Powerwall & GivEnergy
3.5kWh – 40kWh capacity
10-year warranty
Starting from £3,500

EV Charger Installation

OZEV-approved home and commercial charge points. Fully integrated with your solar system for zero-cost charging.

OZEV/LEVI grant support
7kW & 22kW options
App-controlled smart charging
Starting from £800

Maintenance & Servicing

Protect your investment with annual health checks, professional panel cleaning and remote performance monitoring.

Annual service plans from £99
Inverter & string testing
Priority 24hr call-out
Starting from £99/yr

Energy Consulting

Our experts help you navigate grants, tariffs, planning permissions and ROI to make the right clean energy decision.

Free 30-min consultation
Bespoke savings report
BUS & ECO4 guidance
FREEinitial consultation

Smart Home Integration

Unify your solar, battery, EV charger and home appliances into a single intelligent energy management system.

Myenergi & Solis integration
Real-time energy dashboard
AI-driven scheduling
Starting from £450

What Our Customers Say

500+ verified reviews. Here are some of our favourites.

★★★★★

“Excellent service from start to finish. The team explained everything clearly, installation was done in a single day and we’re already saving £120/month on our bills.”

JW
James Wilson
📍 Surrey · 4kW Solar + Battery
Verified Purchase
★★★★★

“We got 3 quotes — Sunline were not the cheapest but offered the best quality equipment and warranty. 18 months in and not a single issue. Very professional.”

SP
Sarah Patel
📍 Manchester · 6kW Solar System
Verified Purchase
★★★★★

“As a small business owner, reducing overheads is critical. Sunline installed a 20kW commercial system and our electricity costs dropped by 60%. ROI in under 6 years.”

MB
Mohammed Boudali
📍 Birmingham · 20kW Commercial
Verified Purchase
★★★★★

“The Zappi EV charger is brilliant — it automatically charges my car using excess solar. The app is intuitive and the installation was neat and tidy. Highly recommend!”

EK
Emily Kowalski
📍 Leeds · EV Charger + Solar
Verified Purchase
★★★★★

“Sunline helped us claim the ECO4 grant — we got our whole system at dramatically reduced cost. Their team handled all the paperwork. Absolutely fantastic service.”

DT
David Thompson
📍 Bristol · 5kW + Battery (ECO4)
Verified Purchase
★★★★★

“Our energy bill was £280/month. Since the Sunline installation 2 years ago, we average £55. The smart home integration is incredible — I can see everything on my phone in real time.”

AL
Amira Lahlou
📍 London · Full Smart Home Package
Verified Purchase

Our Certifications & Accreditations

Every installation is backed by the UK’s most rigorous industry standards and consumer protection schemes.

MCS
MCS Certified
Microgeneration Certification Scheme — the gold standard for UK solar installers
NAPIT
NAPIT Approved
National Association of Professional Inspectors and Testers — electrical competence
RECC
RECC Member
Renewable Energy Consumer Code — protecting your consumer rights
TM
TrustMark
Government-endorsed quality mark for home improvement trades
ISO
9001
ISO 9001:2015
International quality management standard — ensuring consistent excellence
ISO
14001
ISO 14001:2015
Environmental management standard — committed to sustainability

Awards & Recognition

Recognised by industry bodies for excellence in renewable energy installation

🏆
Best Solar Installer 2024
UK Solar Awards — South East Region
Top Rated Trader 2023–2025
Checkatrade · 4.9/5 from 400+ reviews
🌿
Green Business Award 2025
London Chamber of Commerce — Sustainability

Latest Articles & Guides

Expert advice on solar energy, government grants, installation tips and industry news.

Grants
💷
14 April 2026 · 5 min read

ECO4 & BUS Grant Guide 2026 — How to Claim Free Solar

The UK government’s ECO4 and Boiler Upgrade Scheme offer significant funding. Here’s exactly how to apply and what you qualify for.

Read More →
Tips
🔧
8 April 2026 · 4 min read

How to Maximise Your Solar Panel Output in the UK

Panel angle, shading, inverter efficiency — our engineers share the secrets that add up to 20% more generation from your system.

Read More →
Battery
🔋
1 April 2026 · 6 min read

Tesla Powerwall vs GivEnergy: Which Battery is Right for You?

We compare the UK’s two most popular home battery systems on price, performance, warranty and smart features.

Read More →
EV Charging
24 March 2026 · 4 min read

Charge Your EV for Free Using Solar — Is It Possible?

The answer is yes — and here’s exactly how to set it up with a Zappi or Ohme charger combined with your solar panels.

Read More →
News
📰
18 March 2026 · 3 min read

UK Solar Capacity Hits Record High in 2026 — What It Means for Homeowners

Britain hit 20GW of installed solar capacity in early 2026. We explore what this means for grid prices and export tariffs.

Read More →
Tips
🏠
10 March 2026 · 5 min read

Solar Panels on a Flat Roof: Everything You Need to Know

Think you can’t go solar without a pitched roof? Think again. Our guide covers ballast systems, planning and performance.

Read More →

Get Your Free Quote Today

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Call Us
Visit Us
3rd Floor, 86-90 Paul Street, London EC2A 4NE
Business Hours
Mon – Fri: 8:00 AM – 6:00 PM
🎁 Free Survey Included

All quotes include a free site survey and detailed savings report. No obligation, no pressure.

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