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Solar Panels in Monaghan

Solar is quietly gaining ground in Monaghan: 283 homes here installed grant-supported solar in 2025 — 24th of Ireland's 26 counties. Below you'll find all 136 SEAI-registered installers serving the county (average Google rating 4.8★), with reviews and trading history so you can shortlist with confidence.

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Compare solar installers in Monaghan

Showing of 136 installers serving Monaghan

4.9 (362 Google reviews) Est. 2019

Trading since 2019 with a 4.9★ Google rating from 362 homeowners.

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4.9 (170 Google reviews) Est. 1981

Trading since 1981 with a 4.9★ Google rating from 170 homeowners.

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4.9 (156 Google reviews)

Consistently strong feedback — 4.9★ across 156 Google reviews.

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4.8 (69 Google reviews)

Consistently strong feedback — 4.8★ across 69 Google reviews.

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5.0 (49 Google reviews) Est. 2022

Trading since 2022 with a 5★ Google rating from 49 homeowners.

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5.0 (29 Google reviews)

Consistently strong feedback — 5★ across 29 Google reviews.

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4.8 (4 Google reviews) Est. 2008

Established 2008 — 18 years installing solar in Ireland.

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No Google reviews yet Est. 2011

Established 2011 — 15 years installing solar in Ireland.

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No Google reviews yet Est. 1999

Established 1999 — 27 years installing solar in Ireland.

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How Monaghan is going solar

283 Monaghan homes installed grant-supported solar in 2025
24th of 26 counties for solar installations in 2025
3,622 kWh Typical annual output of a 4.2 kWp system in Monaghan
136 SEAI-registered installers serving the county (1 local specialists)

283 households in Monaghan completed a grant-supported solar installation in 2025 under the SEAI Solar PV Scheme — below the national county average, and the 24th highest count in the country out of 33,049 installations nationwide. Every one of those systems was fitted by an SEAI-registered installer like the ones listed above.

Our model estimates that a typical 10-panel (4.7 kWp) south-facing system in Monaghan generates around 4,035 kWh a year, with a modelled generation range of 3,632–4,439 kWh. The county adjustment is based on PVGIS output, where Monaghan ranks 22nd of the 26 counties. That produces a modelled savings range of €686–€1,278 a year across different yield, tariff and self-consumption assumptions, with central savings of €980 a year and simple payback on first-year savings of 6 years. Battery storage, panel count and your roof's orientation all shift that number — which is exactly what a good installer quote pins down.

Sources: Solar Info, State of Solar in Ireland 2025 (reporting SEAI Solar PV Scheme county volumes); PVGIS v5.2 (EU Joint Research Centre) output model. EnergyBase model uses the Monaghan PVGIS yield adjustment (0.954×), 35% central self-consumption without a battery, import at €0.35/kWh and export at €0.185/kWh. Savings range varies yield, tariffs and self-consumption assumptions.

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Monaghan solar questions, answered

What homeowners in Monaghan ask before going solar.

How much do solar panels cost in Monaghan?

Our estimate model puts a typical 10-panel (4.7 kWp) system at €7,650 before the €1,800 SEAI grant, or €5,850 after it. The displayed estimate range is €4,800–€6,900. Prices in Monaghan follow the same model — your roof, system size and whether you add a battery can change the result. Comparing at least 3 quotes is the reliable way to find out what your home costs.

How many solar installers work in Monaghan?

136 SEAI-registered solar installers currently serve Monaghan, including 1 local specialists focused on the county and its neighbours. All of them are listed (and filterable) on this page.

Do I need planning permission for solar panels in Monaghan?

In almost all cases, no. Since 2022, rooftop solar on houses is exempt from planning permission across Ireland, with limited exceptions near protected structures and in some solar safeguarding zones. Your installer confirms this during the site survey.

Is the SEAI grant available in Monaghan?

Yes — the SEAI Solar Electricity Grant (up to €1,800) is available nationwide, including Monaghan, for homes built and occupied before 2021. Your installer typically handles the paperwork.

How do I choose between installers in Monaghan?

Look for an SEAI registration (everyone on this page has one), strong recent Google reviews, a few years of trading history, and a detailed written quote. We've written a full guide on choosing a solar installer — and getting multiple quotes is the single best protection.

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