Solar Panel Installers in County Down
Compare MCS-certified solar installers across County Down, from the North Down coast to the Mourne Mountains. Get free, no-obligation quotes from trusted local companies.
County Down is one of the strongest solar markets in Northern Ireland. Its combination of coastal exposure, relatively low rainfall compared to the western counties, and proximity to Belfast's large installer base makes it an excellent location for residential and commercial solar. The county stretches from the affluent North Down suburbs of Bangor and Holywood, through the Ards Peninsula, down to the agricultural heartland around Downpatrick and the foothills of the Mourne Mountains.
Solar irradiance in County Down averages 920 to 950 kWh per kW installed per year. The eastern coastline, particularly around the Ards Peninsula and Strangford Lough, benefits from the lowest cloud cover in Northern Ireland, pushing local irradiance to the higher end of that range. A typical 4kW system here generates 3,700 to 3,800 kWh annually, enough to offset between 50% and 70% of a household's electricity consumption.
Towns and Areas Covered
Our installer network covers every part of County Down. Key towns and areas include:
- Bangor (BT19, BT20): One of the largest towns in County Down, with a mix of Victorian seafront properties, modern estates, and rural-fringe homes. Strong solar performance thanks to its coastal position.
- Newtownards (BT23): The gateway to the Ards Peninsula, with a growing number of solar installations on both residential and agricultural properties.
- Downpatrick (BT30): The county town, surrounded by farmland where agricultural solar installations are on the rise.
- Ballynahinch (BT24): A market town with a good mix of property types suited to solar, from terraces in the town centre to larger homes on its outskirts.
- Comber (BT23): A commuter town between Belfast and Newtownards with a high proportion of modern, solar-ready housing.
- Holywood (BT18): A popular coastal town with excellent irradiance and a strong concentration of suitable detached and semi-detached properties.
Solar Conditions in County Down
County Down's geography works in its favour when it comes to solar. The county sits on the eastern side of Northern Ireland, which means it catches more direct sunlight and experiences less of the Atlantic weather that brings heavy cloud to the western counties. The Ards Peninsula, in particular, records some of the highest sunshine hours in the province.
Property types vary widely. North Down is characterised by larger detached and semi-detached homes, many with generous south-facing roof areas that are ideal for solar. Further south, the mix shifts towards rural properties, farmhouses, and bungalows. These often have even more roof space, making systems of 5kW and above financially attractive.
The agricultural sector in County Down has embraced solar with particular enthusiasm. Farms across the Lecale area, the Ards Peninsula, and the Dromore corridor are installing systems of 10kW to 50kW, using the electricity to offset the high running costs of dairy parlours, poultry houses, and grain stores. Several of the installers in our network have deep experience with agricultural projects and can advise on the best approach for farm buildings.
Choosing an Installer in County Down
County Down homeowners benefit from access to both locally based installers and the large number of Belfast-based companies willing to travel across the county. This gives you a broad selection to choose from. When comparing quotes, look beyond price alone: check the equipment brands being offered, the length of workmanship and product warranties, and whether the installer handles the NIE Networks grid connection paperwork on your behalf.
We recommend getting quotes from at least two or three companies. Our free quote tool matches you with MCS-certified installers that serve your postcode, making comparison straightforward.
County Down Solar Installers
Browse MCS-certified installers serving County Down
Solarfix NI Ltd
Solarfix NI Ltd is Northern Ireland's most reviewed solar company with a 5-star rating from 260 customers. Active since 2015, they are MCS registered, ISO 9001 and ISO 14001 accredited, offering solar PV, battery storage and EV charging.
EECO
EECO is Northern Ireland's #1-rated solar installer with over 25 years of experience and 103 five-star reviews. They're a Duracell Approved Installer offering one-day installations with employed (not subcontracted) teams.
HS Renewables Solar PV
HS Renewables is a comprehensive renewable energy provider based in Londonderry, offering solar PV, wind turbines, heat pumps, and battery storage. With a perfect 5-star rating from 55 customers, they partner with leading brands including Trina Solar, Q Cells, and SolarEdge.
Encom Energy
Encom Energy are specialists in Solar PV and Battery Storage, providing bespoke design and professional installation. Based in Belfast with a perfect 5-star rating from 48 customers, they offer an award-winning energy management app.
bee SOLAR
bee SOLAR (trading name of Billington Energy & Electrical Ltd) is a Northern Ireland-based renewable energy provider passionate about transforming the way you power your world through sustainable and efficient energy solutions. With 20+ years of experience and 100% customer satisfaction.
DSA Solar
DSA Solar provides customised sustainable energy solutions across Northern Ireland, specialising in solar panel installation with a perfect 5-star rating from 38 customers. Based in Newtownards, they offer solar PV, battery storage, and EV charging.
Blue Sky Energy Ltd
Blue Sky Energy Ltd is a solar energy equipment supplier based in Belfast with a perfect 5-star rating from 15 customers, providing renewable energy solutions across Northern Ireland.
Future Renewables Energy Systems Ltd
Future Renewables are pioneers in the local renewable energy market since 2009, based in Enniskillen. A Duracell Energy Platinum Partner with MCS, NAPIT and TrustMark certification, they serve domestic, commercial, agricultural and community sectors.
Solar Up Ltd
Solar Up Ltd are Solar PV Installation and Maintenance Specialists based in Markethill, Armagh. They provide complete solutions for domestic, agricultural and commercial solar systems at affordable prices, using PV sol software for custom system design.
Suno Solar
Suno Solar provides professional solar panel and battery storage installation with a unique no upfront payment model - you pay 100% only when the installation is complete. Based in Ballyclare with a perfect 5-star rating from 7 reviews.
Abbeyview Renewables
Abbeyview Renewables is a plumbing, heating and renewable energy company based in Downpatrick, providing solar panel installations and renewable energy solutions with a 5-star rating.
Solmatix Renewables
Solmatix Renewables, established 2008, is one of the largest providers of renewable energy technologies in the UK and Ireland with approximately 2,500 solar installations. Headquartered in Glengormley, they serve domestic, commercial and agricultural customers.
Off Grid Kit
Off Grid Kit is an off-grid living consultant with 15 years of personal off-grid experience, specialising in robust, low-maintenance solar systems. Approved Victron distributor operating entirely on renewable energy from their County Down holding.
Wilson Power And Energy Ltd
Wilson Power And Energy Ltd provides integrated power solutions including Solar PV, Battery Energy Storage (BESS), EV Charging infrastructure and UPS systems. Based in Dromore, they specialise in complex renewable energy projects across Northern Ireland and Ireland.
EEL Greentech Belfast
EEL Greentech Belfast is a specialist renewables division of Edmundson Electrical, operating from a 14,400 sq. ft warehouse in Titanic Quarter. A Tier 1 Solar PV stockist supplying solar panels, battery storage and EV charging equipment.
Green Energy Store
Green Energy Store (established 2005 as Solar Solutions NI) is an MCS registered solar energy supplier based in Newtownards with a 5-star rating, providing Solar PV, Battery Storage and EV Chargers across NI, Ireland and GB.
Nutherm Renewables Ltd
Nutherm Renewables Ltd is a heating and renewable energy equipment supplier based in Newry with a 5-star rating, providing sustainable energy solutions.
Swift Renewables Ltd
Swift Renewables Ltd is a solar energy company based in Newry, providing professional solar panel installation services with a 5-star rating across County Down.
Start Solar UK & Ireland
Start Solar is one of Northern Ireland's largest renewable energy companies, making solar energy accessible and affordable. Based in Lisburn with 420+ reviews and a 4.9-star rating, they've completed major commercial projects including a 600kW system for McCloskey International.
Surge Renewables
Surge Renewables is a renewable energy consultancy with an exceptional 4.9-star rating from 39 customers, dedicated to making renewable energy easily accessible and cost-effective. Certified Solis solar partner and UKSOL certified.
Bluebuild Energy
Bluebuild Energy is Northern Ireland's longest established MCS accredited solar installer, providing solar PV, insulation and EV charging solutions. RECC member with ISO 9001, 14001 and 45001 certifications.
TRE Energy Ltd
TRE Energy (formerly TC Renewables) is a leading installer of integrated renewable energy solutions with over 30 years of experience, 6,000+ satisfied customers and 1,000+ MW of completed projects. Based in Limavady, serving NI, Ireland and UK.
B9 Energy
B9 Energy is Northern Ireland's leading force in renewable energy innovation, based in Larne. They specialise in solar installations, hydrogen energy, Power-to-X and green methanol production.
Down Energy Limited
Down Energy Limited is a solar energy equipment supplier based in Newry, providing solar solutions across County Down.
A2B Energy Solutions
A2B Energy Solutions brings over 30 years of industry experience to renewable energy installation in Northern Ireland, offering bespoke solar panel design, battery storage, and EV charging with comprehensive aftercare support.
Acorn Renewables Ltd
Acorn Renewables Ltd is a solar energy equipment supplier based in Warrenpoint, Newry, providing renewable energy solutions across County Down.
Affordable Off Grid Energy
Affordable Off Grid Energy specialises in practical, affordable off-grid solar solutions. Founded by Dee, an electrician with 12+ years experience building solar systems. They partner with leading brands including Pylontech, SolarEdge, Solis, SolaX and Enphase.
CoolSky Ltd
CoolSky Ltd is a solar energy equipment supplier based in Newtownards, providing solar solutions across County Down and Northern Ireland.
Eco Solar Systems
Eco Solar Systems is a solar energy equipment supplier based in Bangor, providing solar solutions across County Down and Northern Ireland.
European Renewable Energy Solutions Ltd
European Renewable Energy Solutions Ltd is a solar energy equipment supplier based in Newry, providing renewable energy solutions across County Down.
Greentrack Energy
Greentrack Energy is a renewable energy company based in Newry, specialising in sustainable energy solutions across Northern Ireland.
Kann O&M Ltd
Kann O&M Ltd is a solar energy equipment supplier based in Ballymena, specialising in operations and maintenance services for solar installations.
Kearns Electrical Services Ltd
Kearns Electrical Services Ltd is a contractor firm in Northern Ireland specialising in Solar PV installations, battery systems and electrical contracting - combining renewable energy solutions with traditional electrical services.
Kon Solar Ltd
Kon Solar Ltd values professionalism and commitment to customers, setting them apart as a leading solar panel installation and repair service in Northern Ireland. Based in Newcastle, they also offer EV charging, solar diverters and LED lighting.
Planet Solar NI Ltd
Planet Solar Consulting is a specialist solar industry advisory firm with expertise since 2005, offering technical feasibility studies, solar design, economic modelling and project management across residential, commercial, industrial and utility-scale sectors.
Solar Power NI
Solar Power NI is Northern Ireland's leading renewable energy installer since 2010, with a 4.9 TrustPilot rating from 100+ five-star reviews. Premium Solarwatt Partner offering German-engineered panels with 30-year guarantee. myenergi Product Champions.
Reboot Energy CIC
Reboot Energy CIC is a community interest company based in Banbridge, providing solar energy system services across Northern Ireland.
SolarStream NI
SolarStream NI, established 2013, is Northern Ireland's leading solar company with over 2,500 commercial and residential installations. Based in Newry with a dedicated in-house team of professionals.
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Get Free QuotesCounty Down Solar FAQs
How many solar installers serve County Down?
There are currently 38 MCS-certified solar installers serving County Down, covering Bangor, Newtownards, Downpatrick, Holywood, Comber, and the surrounding rural areas. County Down benefits from its proximity to Belfast, giving homeowners access to a large pool of experienced installers.
What is the average cost of solar panels in County Down?
A typical 4kW solar panel system in County Down costs between £6,200 and £8,500. Properties in the North Down area (Bangor, Holywood) tend to see slightly lower quotes due to proximity to Belfast-based installers, while more rural areas towards Downpatrick and the Mournes may carry a modest travel premium.
How well do solar panels perform in County Down?
County Down receives around 920 to 950 kWh of solar irradiance per kW installed each year. The Ards Peninsula and the coastal strip from Holywood to Bangor benefit from slightly higher levels due to lower cloud cover. A 4kW system in County Down typically generates 3,700 to 3,800 kWh per year, saving homeowners £520 to £700 annually.
Are there solar grants available for County Down homeowners?
Northern Ireland homeowners, including those in County Down, may be eligible for financial support towards solar panel installation. Eligibility and schemes change periodically. Visit our solar grants guide for the latest information on available funding before requesting quotes.
Down Town Pages
Detailed solar information for towns across County Down