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Solar Panels by Prosolar

Learn about our best-in-class solar products and services for your business

Commercial Solar PV

Cut your energy bills, reduce your carbon footprint and protect against future price increases with a Solar PV installation for your business from Prosolar. Solar PV installations are maintenance-free and cause minimum disruption to your business while boosting your business’s green credentials.

Commercial Solar PV installations have a payback period of between 3 and 6 years, and panels can be expected to produce electricity for over 30 years! Solar PV installations are particularly well suited to buildings that consume most electricity during the daytime.

Prosolar’s skilled in-house engineering team loves finding project-specific solutions to produce your business’s best possible energy outcome.

Let us use our extensive experience to guide you through every step of your solar installation process.

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Watch Prosolar commercial customer testimonial: Tom Crean Brewery, Co. Kerry

How Solar PV works

The Sun

The sun provides free energy every day. Photons of light from the sun hit the solar panels and create electrical energy.

Solar Panels

Solar panels absorb light. They can work with direct, reflected, and diffused light and produce electricity even on cloudy days. They are made of semi-conducting materials, usually silicon. There are three types of PV solar panels; monocrystalline, polycrystalline, and amorphous. Your annual energy usage determines how many panels need to be provided.


The DC power accumulated from the solar panels goes to an inverter, which is converted into Alternating Current (AC) power so that the electricity is compatible with household appliances. A fireman’s switch and a DC isolator are installed in the DC cables connecting the panels to the inverter. This ensures that the DC power can be safely disconnected when needed.

Battery Storage

Solar panels produce most electricity when the sun shines, the strongest in the middle of the day. However, most electricity may be used at other times of the day. A battery storage system allows you to store the electricity produced by the solar panels until you need it.

Electrical Fuse Board

Your electrical fuse board receives AC power from the inverter. This AC power is now available for use by appliances and lighting.

Electricity Meter

The excess power is sent back into the grid when generating more electricity than using. There is no payback for this energy, but this is coming soon. This will help to offset the cost of your electricity usage at night or on cloudy days when your system is not producing electricity, saving you even more money!

Electricity sent from the grid

Your home remains connected to the grid to supply you with electricity. When you need more power than your solar system, or if you are not producing solar energy at night, your electricity comes from the grid, the usual way.

Business Appliances

Now your business appliances are all powered by the sun.

Our Process

When you have made an initial enquiry with us, our commercial team will issue you with an estimated quotation based on the information you have provided us.
Gathering Information
A site visit from a member of our commercial team comes next. We will work with you to identify the best solution for your needs. Electricity consumption monitoring may be installed to assist in the design.
We will then put you in contact with our grant experts to identify the best grant opportunities for you and to manage the grant application process.
System Design
Our in house engineering team will produce a detailed design for your system using cutting edge methodologies and best-in-class materials.
Installation & Project Management
Our skilled in-house installation team will plan and execute your turnkey solar installation to spec and schedule, with all PSCS and PSDP project management requirements.
After sales Support
We pride ourselves on our after sales care and will provide you with a detailed handover pack. Maintenance support will be provided following installation.

Frequently asked questions

ESB Grid Connections Mechanisms


  • Simplest connection mechanism
  • Single Phase up to 6kW
  • Three Phase up to 11kW
  • “Inform-and-fit”: We send an NC6 form for your installation to ESB Networks, and we can complete our installation 4 weeks after the form is sent
  • Connections under this mechanism will allow you to export your excess power to the grid for payments
  • More info on Microgeneration is available at: Connect a Micro-Generator (esbnetworks.ie)


  • Recently introduced grid connection mechanism
  • Single Phase up to 17kW
  • Three Phase up to 50kW
  • “Transformer Analysis”: We send an NC5 form for your installation to ESB Networks. An application fee of €795 excl. VAT (VAT at 23%) is required to make this application.
  • Connections under this mechanism will allow you to export your excess power to the grid for payments.
  • More information on Mini-generation is available at: Mini-Generation (esbnetworks.ie) 

Small-Scale Generation:

  • For larger commercial installations.
  • Three-phase systems greater than 50kW.
  • These installations generally do not allow exports to the grid of extra electricity that you produce and do not consume, but public consultation is ongoing regarding a scheme to allow exports of excess electricity from these larger installations.
  • More information about the Small Scale Generation is available at Small Scale Generation (esbnetworks.ie)

Financial Supports

SEAI are the administrators of 3 different types of grants that can be used to reduce the capital cost of commercial Solar PV installations.

The SEAI Non-Domestic Microgen Grant is available to support smaller-scale solar PV installations in businesses and community buildings. Solar PV installations of up to around 15 panels are supported in this grant scheme, with a maximum payment of €2,400. A system of this size would be expected to generate approximately 5,300 units of electricity per year.

For larger-scale installations, the Community Energy Grant can be used to partner with other organisations in your local area to receive a grant of up to 30% of the capital cost of installation.

For large companies, the EXEED grant is also an option. This grant involves more of a holistic approach, with an energy audit of your premises required to take place and multiple energy efficiency upgrades typically required (for example, solar, heat pumps, LED lighting).

Additionally, Accelerated Capital Allowances can be claimed on solar panel installations, giving you 12.5% of your investment as corporation tax savings.

Finally, the SBCI (Strategic Banking Corporation of Ireland) offer discounted interest rates on loans for solar installations in their Energy Efficiency Loan Scheme.

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