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Solar Panels in Longford

Solar is quietly gaining ground in Longford: 199 homes here installed grant-supported solar in 2025 — 26th of Ireland's 26 counties. Below you'll find all 151 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 Longford

Showing of 151 installers serving Longford

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 Longford is going solar

199 Longford homes installed grant-supported solar in 2025
26th of 26 counties for solar installations in 2025
3,711 kWh Typical annual output of a 4.2 kWp system in Longford
151 SEAI-registered installers serving the county (6 local specialists)

199 households in Longford completed a grant-supported solar installation in 2025 under the SEAI Solar PV Scheme — below the national county average, and the 26th 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 Longford generates around 4,134 kWh a year, with a modelled generation range of 3,721–4,548 kWh. The county adjustment is based on PVGIS output, where Longford ranks 17th of the 26 counties. That produces a modelled savings range of €703–€1,310 a year across different yield, tariff and self-consumption assumptions, with central savings of €1,004 a year and simple payback on first-year savings of 5.8 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 Longford PVGIS yield adjustment (0.977×), 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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Longford solar questions, answered

What homeowners in Longford ask before going solar.

How much do solar panels cost in Longford?

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 Longford 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 Longford?

151 SEAI-registered solar installers currently serve Longford, including 6 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 Longford?

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 Longford?

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

How do I choose between installers in Longford?

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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