Commercial Solar Experts for UK Businesses

Installation • Battery Storage • Solar Repairs & Maintenance

South West's Leading Solar Installation Specialists

Reduce energy costs and protect your business from rising electricity prices with commercial solar solutions from Prostar Energy.

We help UK businesses install, repair and maintain solar panel systems that deliver reliable long-term savings.

Whether you need a new solar installation, battery storage upgrade or urgent solar repair, our commercial solar specialists can help.

  • Commercial Solar Panel Installation
  • Battery Storage Systems
  • Inverter Repairs & Replacement
  • Solar Panel Repairs & Fault Diagnosis
  • Solar Maintenance & System Health Checks

Request a free commercial solar assessment today

Let us know a few details about your business through this form and a member of our team will be in touch shortly.
GDPR*
Offers
  • INDUSTRY EXPERTS WITH OVER 50 YEARS COMBINED EXPERIENCE
  • 25 Year Warranty
    On All Panels
  • We Won't be
    beaten on price
  • 5 STAR CUSTOMER SERVICE

Our Commercial Solar PV Installations and Maintenance Services

ProStar Energy Engineers installing a Solar Panel

Commercial Solar Panel Installation

We design and install high-performance solar systems tailored to commercial buildings, warehouses, factories and offices.

Our systems help businesses:

  • Cut electricity costs by up to 70%
  • Reduce reliance on grid energy
  • Improve sustainability targets
  • Protect against rising energy prices

Every installation is designed around your energy usage and roof space to maximise return on investment.

Book a commercial solar consultation today.

Solar Battery Check

Commercial Solar Battery Storage

Add battery storage to store excess solar energy and use it when your business needs it most.

Benefits include:

  • Reduced peak electricity costs
  • Backup energy during outages
  • Greater energy independence
  • Increased solar self-consumption

Battery systems are ideal for businesses with high evening usage or variable demand.

Speak to our team about battery storage options.

Fox ESS Solar Inverter for Studio in Berkshire

Solar Inverter Repairs & Replacement

The inverter is the heart of your solar system. When it fails, your system stops generating electricity.

We offer:

  • Inverter fault diagnostics
  • Inverter repairs where possible
  • Replacement with modern high-efficiency models
  • System optimisation
Solar Panel Install Close-up

Solar Panel Repairs for Commercial Systems

Solar systems can lose performance due to faults, damaged components or ageing equipment.

Our engineers diagnose and repair issues such as:

  • Solar panels not producing power
  • System faults or performance drops
  • Electrical issues and wiring faults
  • Inverter failures
  • Monitoring system errors

We work with all major solar panel and inverter brands.

Need a solar repair? Get a fast system inspection.

ProStar Energy Engineers checking Solar Panels

Commercial Solar Maintenance

Routine servicing keeps solar systems performing at peak efficiency.

Our maintenance services include:

  • Full system inspections
  • Performance testing
  • Inverter health checks
  • Panel and wiring checks
  • Monitoring system review

Regular maintenance helps prevent costly breakdowns and ensures maximum energy generation.

Book a commercial solar service today.

Why Businesses Choose Prostar Energy

  • Commercial solar specialists
  • Experienced solar engineers
  • Fast fault diagnosis and repairs
  • High-quality solar equipment
  • Tailored systems for business energy usage
  • Ongoing support and maintenance

We Work With a Wide Range of Commercial Properties Including:

  • Warehouses
  • Factories
  • Office buildings
  • Retail units
  • Agricultural buildings
  • Industrial sites

Is Your Commercial Solar System Underperforming?

Common signs of solar system problems include:

  • Lower than expected energy generation
  • Error messages on the inverter
  • Monitoring system showing faults
  • Panels producing little or no power
  • Sudden drop in system performance
If your system isn’t performing properly, our engineers can diagnose and repair the issue quickly.
Factory Solar Panels Close-up
ProStar Energy Engineers carrying a Solar Panel

Frequently Asked Questions

Many businesses reduce electricity costs by 40–70%, depending on system size and energy usage.

Yes. Modern solar panels generate electricity even on cloudy days and perform well in UK conditions.

Solar panels typically last 25–30 years, with inverters usually lasting 10–15 years.

Yes. Our engineers repair and service most commercial solar systems, even if we didn’t install them.

Yes, we provide ongoing maintenance plans to keep commercial systems running efficiently.

Get a Commercial Solar Quote

Looking to install solar panels, upgrade your system with batteries or repair an existing system?

Our team can assess your business energy needs and recommend the best solution.

  • Free consultation
  • Expert system design
  • Professional installation and repairs

Accreditations

Check if you are eligible for FREE Solar with PPA
and see how much your business could save!

Ready to take the next step? Book a free property survey online or give us a call on 0331 6302225 today. Our team is here to support and guide you throughout the entire process, so let’s get started!

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*The payback period will depend on the size of the system and the energy requirements of your facility.

ProStar Energy Solar Experts Logo Colour

Main Office:
Unit 7-8 Millstream Trading Estate
Christchurch Road
Ringwood
Hampshire
BH24 3SD

Registered Address:
4 Namu Road
Bournemouth
Dorset
BH9 2QU

Telephone: 03316 302 225

Commercial and Domestic Solar Panels across Dorset, Hampshire, Wiltshire, Berkshire, Sussex and Home Counties
Copyright 2026 | ProStar Energy
Registered in England and Wales 12081074 | Company number: 12081074 | VAT number: 334899162