Omni3 Logo
Modern home with solar panels and battery storage

Solar, EV Charging, Electrical & Security Installations in West Sussex & the South East

Solar & battery storage that works around your life. Generate free energy during the day, store it, and power your home when your family needs it most — evenings, weekends, and everything in between.

Flexible finance available on eligible installations

Spread the cost — subject to status

Explore Finance →

10+

Years Experience

4

ISO Certifications

7

Service Disciplines

Customer Reviews

Rated 5 Stars by Our Customers

Trusted by homeowners and businesses across Hampshire, Sussex and the South Coast.

Google Reviews

Verified customer feedback

4.9/5 · Based on 47 Google reviews

Why Choose Omni3

Trusted, Qualified & Independently Assessed

At Omni3, quality, safety and compliance are at the heart of everything we do. Our qualifications, certifications and industry memberships demonstrate our commitment to delivering electrical, renewable energy and security solutions to recognised professional standards.

Qualified

City & Guilds trained engineers working to the latest BS 7671 Wiring Regulations and industry standards.

Accredited

Independently assessed through recognised schemes including NICEIC, TrustMark, RECC and ISO-certified management systems.

Trusted

Delivering compliant, safe and professionally managed projects for homeowners, businesses, schools and commercial clients.

Our Accreditations & Memberships

Independently assessed. Professionally recognised. Committed to the highest standards.

ISO 9001

ISO 9001

Quality Management

ISO 14001

ISO 14001

Environmental Management

ISO 27001

ISO 27001

Information Security

ISO 45001

ISO 45001

Health & Safety Management

Application in Progress

CHAS®

Application in Progress

MCS

Application in Progress

Quality, safety and compliance are at the heart of everything we do.

Learn more about our qualifications, accreditations and industry standards.

View Accreditations & Compliance
OZEV Approved EV Charge Point Installer

Government Approved

Government Approved EV Charger Installer

Omni3 is authorised under the Office for Zero Emission Vehicles (OZEV) grant schemes, helping eligible homeowners, landlords, businesses and educational establishments access funding for EV charging installations.

⚡ Solar & Battery Storage

Buy it when it's cheap.
Use it when you want it.

Store free solar energy during the day and cheap grid energy overnight. Use it in the evening when your family needs it most — cooking, devices, heating, EV charging. All without paying peak rates.

Your Typical Day

☀️

Daytime

Solar generates & battery stores free energy while you're out

🏠

Evening

Family home, energy demand peaks — your battery powers it all

🌙

Overnight

Battery tops up from the grid at the cheapest rates

We've partnered with Ideal4Finance to bring you flexible finance options

OMNI3 LIMITED is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, t/a Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and the term.

Payment Options Available

Finance Options Available for Eligible Installations

Spread the cost of a solar, battery storage, EV charging or renewable-energy installation with finance options available through Ideal4Finance. Use the calculator to explore potential monthly repayments.

Spread the cost over time

Rather than paying the full installation cost upfront, finance lets you spread payments into manageable monthly amounts while benefiting from your system from day one.

Start saving immediately

Your solar or battery system begins generating savings from the moment it is installed. Many customers find that reduced energy bills contribute towards their monthly repayments.

Keep your savings intact

Preserving your savings while still moving to renewable energy is a priority for many households. Finance makes it possible to invest in your property without depleting your reserves.

Simple, straightforward process

Once you have received your Omni3 quotation, you use the Ideal4Finance online calculator to explore repayment options and complete the application directly. No complicated paperwork.

Finance may be available on eligible installations including:

☀️Solar PV Systems🔋Battery StorageEV Charger Installation🌡️Heat Pump Installations⚙️Other Renewable-Energy Projects

OMNI3 LIMITED is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, t/a Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and the term.

Live Monitoring

Generating

3.8kW

Battery

87%

Today's Energy Flow

6am12pm6pm

AI Insight: Panel output 12% above forecast today

🔍 Smart Monitoring

Know exactly what your
energy is doing.

Real-time dashboards show your solar generation, battery levels, grid usage and savings — all in one place. Our AI spots issues before they cost you money.

  • Live solar, battery & grid data at a glance
  • AI-powered alerts for maintenance & performance
  • Weather-aware forecasting from Met Office data
  • Tariff optimisation with Octopus Energy integration
Our Approach

Smart Energy Solutions, Not Just Installations

Omni3 designs, installs and supports complete smart energy systems for homes, businesses and community buildings. Instead of treating solar panels, batteries and EV chargers as separate products, we bring them together into practical, future-ready energy solutions.

Omni3 Smart Energy System™

A complete home energy solution combining solar PV, battery storage, EV charging and smart monitoring.

Omni3 Energy Shield™

Long-term protection and support for your installation, including documentation, customer protection and ongoing system care.

Omni3 Business Energy Resilience™

Commercial energy solutions for businesses, schools, churches and community buildings looking to reduce costs and improve energy security.

Products & Brands

Trusted brands. Expert installation.

We partner with industry-leading manufacturers across every discipline. Every product we install is chosen for reliability, performance and long-term value — not the highest margin.

Solar & Battery Storage

EV Charging

Security Systems

Data & Networks

Not sure which products are right for your property? We recommend the best solution during your free survey — based on your needs, not brand partnerships.

Book a Free Survey
Why Choose Us

Built on trust. Backed by accreditation.

We don't do hard sells. We do honest advice, expert work, and long-term relationships.

NICEIC Approved

Every installation meets the highest industry standards. Fully accredited, fully insured.

4 ISO Certifications

Quality, environmental, information security and health & safety — all independently audited.

One Team, Every Trade

No subcontractors. No finger-pointing. One accountable team handles your entire project.

No Pressure, Ever

Honest guidance and realistic expectations. We earn your trust through transparency, not sales tactics.

Tariff-Smart Design

We optimise systems for half-hourly tariffs, load shifting and energy arbitrage — saving you more.

10+ Years Experience

A decade of delivering projects on time, on budget, and to the highest standard across the South East.

Ready to power your property?

Get a free, no-obligation consultation. We'll assess your property, explain your options honestly, and design a solution that fits your budget.