Irish SMEs Lead Solar Surge: 34% Planning Adoption in 2026

Small and medium-sized enterprises across Ireland are emerging as the driving force behind the country's renewable energy transition. According to the inaugural Flogas Sustainability Report released in June 2026, 34% of medium-sized Irish businesses and 31% of small firms are planning to adopt solar panels this year, with 46% of mid-sized companies expecting installations to be completed by year-end.

The findings challenge the traditional assumption that large corporations would lead on sustainability. Instead, Irish SMEs, from cafés and retail shops to small manufacturers and offices are proving more pragmatic and quicker to act, particularly where they can see clear commercial returns, energy security benefits, or competitive advantages.

Why Irish SMEs Are Moving Faster Than Corporates

The report, conducted among 300 business decision-makers by iReach Insights on behalf of DCC-owned Flogas, reveals that sustainability is now firmly embedded in corporate strategy. 92% of large businesses and 91% of medium-sized businesses consider it important overall, with 61% of large companies describing it as "very important."

But it is SMEs who are translating that intent into action fastest. Three key drivers are accelerating adoption:

1. Energy Security Concerns

Geopolitical instability, including the ongoing US-Iran conflict and volatile global energy markets, has made Irish businesses acutely aware of the risks of relying solely on imported fossil fuels. Ireland currently imports roughly €10 billion worth of fossil fuels annually. For SMEs operating on tight margins, locking in predictable energy costs through on-site solar generation offers a tangible hedge against future price shocks.

John Rooney, Managing Director at Flogas, said: "Irish businesses are motivated and ready to act, particularly given the current uncertain outlook in energy markets. Our role is to provide clarity and expert guidance, helping businesses demystify complex ROI and confidently choose the right energy solutions."

2. Direct ROI Visibility

Unlike large corporations navigating complex ESG frameworks and international supply chain reporting, SMEs focus on practical, near-term savings. Commercial solar in Ireland delivers a typical payback period of 5 to 7 years and an annual return on investment (ROI) of 10 to 15%. With Irish business electricity prices averaging 24.5 to 29.5 cent per kWh during the day (at the time of writing), solar offers immediate bill reduction that translates directly to bottom-line profit.

A typical 50 kWp system suitable for a warehouse, factory, or large office generates approximately 43,000 to 48,000 kWh per year in Ireland. At current commercial rates, that equates to annual savings of €9,000 to €13,000, combining self-consumption savings and export income from surplus electricity.

3. Competitive Advantage and Supply Chain Pressure

SMEs are under growing pressure from customers, supply chains, and international partners to demonstrate sustainability credentials. Ken O'Byrne, Commercial Director of Flogas, noted: "They are under growing pressure from customers, supply chains and international partners, but they are also proving highly pragmatic. They want solutions that are commercially realistic, flexible and capable of delivering savings in the near term."

For export-oriented businesses, renewable energy adoption is increasingly a prerequisite for securing contracts with EU and multinational clients. Solar allows SMEs to reduce their carbon footprint while improving cash flow, a rare win-win in business investment.

Solar-as-a-Service: Removing the Upfront Cost Barrier

One of the most striking findings in the Flogas report is that 72% of mid-sized companies are now considering Solar-as-a-Service models. This approach allows businesses to install solar panels with zero upfront capital investment, paying instead a fixed monthly fee for the electricity generated.

Under Solar-as-a-Service agreements (also known as Power Purchase Agreements or PPAs), providers like Flogas, UrbanVolt, and Certa fund, install, and maintain the solar system. The business pays a discounted rate for the solar electricity—typically 15 to 25% below grid rates—while the provider retains ownership of the panels and benefits from the SEAI Non-Domestic Microgen Grant (NDMG).

This model is particularly attractive to SMEs that:

• Lack the upfront capital for a €20,000 to €50,000 solar installation
• Prefer predictable monthly costs over large capital expenditure
• Want to avoid the complexity of grant applications and ESB Networks connection
• Lease their premises and cannot make permanent capital investments

At the time of writing, Solar-as-a-Service contracts typically run for 10 to 20 years, with the system often transferring to the business at the end of the term.

SEAI Grants and Tax Breaks Make Solar Attractive

Irish businesses benefit from generous financial support for solar installations:

SEAI Non-Domestic Microgen Grant (NDMG)

The NDMG offers grants of up to €162,600 for commercial solar systems up to 1,000 kWp (1 megawatt). The grant rate varies by system size:

A typical 50 kWp system for a small warehouse or factory costs €40,000 to €55,000 before the grant, with an NDMG grant of €12,000 reducing the net cost to €28,000 to €43,000.

Accelerated Capital Allowance (ACA)

Commercial solar qualifies for the Accelerated Capital Allowance scheme, allowing businesses to write off 100% of the cost against corporation tax in the first year. Combined with VAT recovery (VAT-registered businesses reclaim the 23% VAT) and the NDMG grant, the effective cost drops significantly.

For a business paying 12.5% corporation tax, the combined benefit of the NDMG grant and ACA can reduce the true cost of a 50 kWp solar system by 40 to 50%.

What Size System Do SMEs Need?

Most Irish small businesses install systems between 10 and 50 kWp, depending on their electricity consumption and available roof space. Here is a rough guide:

At the time of writing, commercial solar installations in Ireland cost approximately €800 to €900 per kWp installed. A 1 kWp system requires roughly 4 to 5 m² of roof space and generates around 860 kWh per year in Irish conditions.

Rule of thumb: divide your annual electricity consumption (in kWh) by 860 to estimate the system size that will cover your daytime usage.

Exporting Surplus Solar to the Grid

Irish businesses with solar panels can sell surplus electricity back to the grid through the Clean Export Guarantee (CEG). While self-consumption delivers the best return (avoiding grid purchases at 24 to 30 cent per kWh), export income provides an additional revenue stream, particularly at weekends and during low-usage periods.

At the time of writing, export rates range from 18 to 24 cent per kWh, depending on the supplier:

To qualify, businesses need a smart meter installed by ESB Networks, a grid connection agreement, and an export contract with their electricity supplier.

The SME Solar Success Story: A Practical Example

Consider a typical Irish SME, a small manufacturing business in County Cork consuming 50,000 kWh per year, with an annual electricity bill of €13,000 at 26 cent per kWh.

System: 50 kWp solar PV (125 panels)
Gross cost: €45,000
NDMG grant: €12,000
Net cost after grant: €33,000
Annual generation: ~43,000 kWh
Self-consumption: 80% (business operates 6 days/week, 8am–6pm)
Annual savings: €9,000 (self-consumption) + €800 (export income) = €9,800
Payback period: 3.4 years
25-year savings: €245,000

After claiming the ACA tax relief, the effective cost drops to approximately €29,000, bringing the payback period below 3 years. Over the 25-year lifespan of the system, the business saves over a quarter of a million euro while cutting carbon emissions by roughly 300 tonnes.

Challenges Remain: Upfront Costs and ROI Uncertainty

Despite the strong momentum, the Flogas report notes that upfront cost remains the main barrier to faster adoption, cited by 62% of respondents. Many SMEs lack the working capital to fund solar installations outright, even with grants covering up to 30% of costs.

This is where Solar-as-a-Service models are proving transformative. By removing the upfront cost barrier and offering predictable monthly payments, these agreements allow SMEs to go solar immediately while preserving cash flow for core business operations.

Another common concern is ROI uncertainty. Businesses worry about:

• Future electricity price changes
• System maintenance and inverter replacement costs
• Grid connection delays
• Planning permission for larger systems

Choosing an experienced SEAI-registered installer and opting for comprehensive maintenance packages can mitigate these risks. Most commercial solar systems require minimal maintenance, an annual inspection and occasional panel cleaning, with inverters typically lasting 10 to 15 years before needing replacement (costing €1,500 to €5,000).

Final Thoughts

The Flogas Sustainability Report confirms what installers across Ireland have been witnessing firsthand: small and medium-sized businesses are no longer waiting for large corporations to lead on renewable energy. Driven by energy security concerns, clear ROI, and competitive pressure, Irish SMEs are taking practical action now.

Solar-as-a-Service models have unlocked adoption for businesses that previously could not afford the upfront capital outlay, while generous SEAI grants and tax incentives make outright purchase highly attractive for those with the cash flow. With payback periods as short as 3 to 5 years and 25-year system lifespans, commercial solar is one of the smartest investments Irish SMEs can make in 2026.

As Ken O'Byrne noted, "SMEs are increasingly the businesses taking practical action now—particularly where they can see a clear commercial return, energy security benefit or competitive advantage."

For Irish SMEs, that advantage is no longer theoretical. It is happening now, on rooftops across the country.

Ready to Cut Your Business Energy Costs?

WattCharger specialises in commercial solar installations for Irish SMEs. Our SEAI-registered installers handle everything from system design to grant applications, ESB Networks connection, and post-installation support.

Get in touch for a free business energy assessment and discover how much your business could save with solar. We also offer guidance on Solar-as-a-Service options and can connect you with trusted PPA providers.

Related reading:

• The New Solar PV Panel Grant for Businesses in Ireland
• What's the ROI on Solar for Irish Commercial Properties?
• How to Finance Your Solar Panel Installation in Ireland