Energy construction companies in Wales

201 companies across Wales working in the energy sector.

• E Electrical Compliance Ltd Wrexham · Electrical · 1-9 employees

  Discover Wrexham's Best Electrician - Electrical Compliance. From general to renewable energy services, get covered today! Free quote available

• E Emyr Roberts Electrical & Renewables Ltd Holyhead · Electrical · 1-9 employees

  Anglesey & North Wales Electrical & Renewable Energy Specialists. Experts in Solar Panels, Wind Turbines, Battery Storage, EV Charge Points, and all e

• E Encon Construction Ltd Cardiff · Main contractor · 10-49 employees

  Encon Construction is a leading construction and civil engineering company based in Cardiff, Wales, serving clients across Wales and the South West of

• E Energen Services Electrical And Mechanical Ltd Pyle · Electrical

  Energen Services is a trusted engineering company in South Wales, specialising in electrical, mechanical, and renewable energy solutions with over 20

• E Energy Renewable Solutions Barry · Solar PV · 1-9 employees

  MCS-accredited solar panel & heat pump installers in Wales & England. Octopus Trusted Partner. Free quotes. Call 01446 339003.

• E Enviroparks (Hirwaun Properties) Ltd Abergavenny · Civil engineering · 50-249 employees

  Enviroparks (Wales) Ltd is a company focused on developing industrial sites, particularly for energy generation. They are involved in projects like th

• E Eps Construction Ltd Swansea · Electrical · 10-49 employees

  EPS Construction Ltd is a leading provider of electrical engineering services in Swansea, offering design, installation, and maintenance for HV and LV

• E ERYRI RENEWABLES LTD Bangor · Heating & ventilation

  Eryri Renewables designs, supplies and installs Air Source Heat Pump systems in Wales. MCS approved and RECC accredited, they offer grant funding supp

• E Eureka Colwyn Bay · Electrical · 10-49 employees

  Eureka Smart Home offers smart home solutions, electrical installations, Solar PV, AV, renewable energy, and alarm systems across North Wales for resi

• E Ev-Wales Ltd Penclawdd · EV charging · 1-9 employees

  Leading Welsh renewable technology installers for EV charging, Solar PV, Battery Storage, and Dealership Services. Powering a sustainable future.

• E Ewing Automation Prestatyn · M&E contracting

  Ewing Automation specialises in industrial electromechanical maintenance, equipment modification, installation, and offshore wind technician services

• F FOURENERGY Wrexham · Electrical

  FourEnergy is a family-run electrical installation and renewable energy company based in Wrexham/Chester, operating across the UK. They offer electric

• F FOX SOLAR LTD Swansea · Solar PV · 1-9 employees

  Fox Solar Ltd offers expert solar panel fitting, battery storage, and energy management systems for homes and businesses in Swansea and surrounding ar

• F Fre-Energy Ltd Wrexham · Design & build

  Fre-Energy provides bespoke anaerobic digestion (AD) plant design, installation, and management services, focusing on agricultural and energy sectors.

• F Full Power Installations Ltd Swansea · Heating & ventilation

  Trusted experts in heating and renewables, specialising in the design and installation of heating and renewable energy systems for homes.

• G G H J Civil Engineering Ltd Pwllheli · Civil engineering · 1-9 employees

  GHJ Civil Engineering is a leading contractor in the North West, delivering exceptional civil engineering services for over 30 years across various in

• G G W Scaffolding Ltd Bargoed · Scaffolding

  Your trusted local scaffolding hire & service company in Cardiff offering professional solutions for both residential and commercial customers.

• G Gcre Ltd Neath Port Talbot · Rail infrastructure · 10-49 employees

  The Global Centre of Rail Excellence (GCRE) is a world-class facility for rail innovation, testing, and certification, aiming to pioneer a net-zero ra

• G GetZero Newport · Solar PV

  GetZero designs and installs commercial solar, battery storage, EV charging and wind systems across the UK. We are the commercial solar company for bu

• G Glenhurst Construction Cilgerran · Groundworks · 1-9 employees

  Glenhurst Construction offers quality building services and plant/digger hire across South West Wales, with expertise in solar farm construction.

• G Go Green Renewable Solutions Ltd Abergele · Solar PV · 1-9 employees

  Go Green Renewable Solutions Ltd provides Solar PV, Battery Storage, EV Chargers and Electrical Services across North Wales and the UK. Free quotation

• G Gone Solar Porthcawl · Solar PV · 1-9 employees

  Save up to 90% on energy bills with trusted solar installation services from Gone Solar. Get a free quote and start your journey to energy independenc

• G Goodwin Electrical Ltd Llandudno · Electrical · 1-9 employees

  Award-winning, 5-star rated solar panel installers in North Wales. MCS, NICEIC. Solar, battery storage, EV chargers & electrical services.

• G Gower Renewables Ltd Swansea · Solar PV

  Gower Renewables is an MCS certified installer of solar PV systems, battery storage, and EV chargers in Swansea and South Wales, serving domestic and

• G Grange Industries Group Ltd Caerphilly · Electrical · 10-49 employees

  Grange Industries specialises in EC&I systems for hazardous areas. Contact us for bespoke design, safe installation, & expert inspections.

• G Green Scene Group Ltd Wrexham · Heating & ventilation · 1-9 employees

  MCS-certified air source heat pump installation in Wrexham & Surrounding Areas. Over 20 years of experience, 100+ satisfied clients. Get a free quote

• G Green Warmth Ltd Haverfordwest · Heating & ventilation · 10-49 employees

  Wales' longest-serving MCS accredited installer of renewable heating, heat pumps, solar PV, and battery storage solutions since 2007.

• G Greenlands Energy Tredegar · Heating & ventilation · 10-49 employees

  Greenlands Energy: Leading the way in sustainable energy solutions. Discover our innovative approaches to solar, wind, and geothermal energy that powe

• G Gwresogi Ltd Pwllheli · Heating & ventilation · 10-49 employees

  Renewable Heating, Plumbing & Solar Done Right. Featured By MCS See how Gwresogi is helping drive Wales' green energy transition At Gwresogi, we speci

• G Gwynt360 Ltd Cardiff · M&E contracting

  Gwynt360 offers full-circle solutions for wind turbine performance, from blade repairs to advanced enhancements, increasing efficiency and protecting

• H Hatcher'S Electrical Ltd Cardiff · Electrical

  Hatcher's Electrical Ltd offers expert domestic and commercial electrical services, specialising in EV charge point and Solar PV/battery storage insta

• H Heat Pumps South Wales LTD Llanelli · Heating & ventilation

  Heat Pumps South Wales LTD offers expert heat pump installation, repair, and maintenance services in Cardiff and surrounding areas. Specialising in en

• H Heat Saving Specialists Llanelli · Heating & ventilation

  Reducing the cost of home energy bills by securing grants for central heating upgrades such as boilers, air source heating, radiators and extra home i

• H Heatshine Ltd Cardigan · Plumbing · 10-49 employees

  Professional, friendly Plumbers and Heating Engineers, specialising in Oil, Gas & Renewable Energy. Speak to one of our engineers for free, friendly a

• H Hergan Construction Ltd Newport · Groundworks · 1-9 employees

  Hergan Construction Ltd delivers specialist construction solutions across England and Wales, with over 70 years of combined industry experience.

• H Hill Grwp Ltd Swansea · Modular & offsite construction · 10-49 employees

  Hill Grwp Ltd designs, manufactures and installs GRP and steel industrial enclosures, sprinkler pump rooms, substations, TopBox roof entry systems, ba

• H Hitchings Electrical (Cowbridge) Ltd Bridgend · Electrical · 1-9 employees

  Hitchings Electrical provides nationwide electrical services, from minor repairs to shop fitting and full rewires. NIC EIC, Safe Contractor, and CHAS

• H Home Eco Solutions Ltd Swansea · Solar PV · 1-9 employees

  Specialising in solar panels, battery storage and EV charging to help reduce energy costs and build a more sustainable future for homes and businesses

• H Hv Energy & Civils Ltd Newport · Civil engineering · 10-49 employees

  HV Energy & Civils Ltd is an established Civil Engineering Contractor operating across the UK, focused on delivering projects sustainably, efficiently

• H HV Energy and Civils Newport · Civil engineering

  HV Energy are an established Civil Engineering Contractor offering services throughout the UK. They focus on delivering projects sustainably, efficien

• H HV Solutions Blackwood · Utilities · 10-49 employees

  HV Solutions delivers expert cable installation and maintenance services for DNOs and Tier One Contractors, focusing on dependable, on-time delivery w

• H HyHAUL Mobility Cardiff · Civil engineering · 1-9 employees

  HyHAUL Mobility is pioneering the UK's first dedicated hydrogen mobility corridor, focusing on decarbonising heavy-duty road transport with FCEV truck

• I Indigo Group Penarth · Main contractor

  Indigo Group provides outsourced payroll, CIS compliance, and workforce engagement solutions for multisector businesses, ensuring legal compliance and

• I Industrial Climbers Ltd Newport · Roofing · 1-9 employees

  Industrial Climbers specialise in Rope Access Techniques for Work at Height, Difficult, Limited or Confined Spaces. Offering safe, cost-effective acce

• I Inspire Green Ltd Cardiff · Solar PV

  Cardiff-based MCS-certified installer of commercial solar PV, EV charging, battery storage & LED lighting across Wales & the South West. Free site sur

• I Ir Energy Ltd Pant Industrial Estate · Solar PV · 10-49 employees

  Save on bills with solar, heat pumps & EV chargers. IR Energy helps South Wales homes go greener with trusted renewable installations. Grant & finance

• I Isca Renewables Newport · Solar PV · 1-9 employees

  Isca Renewables are South Wales & South West England Solar Installers. Professional, local, in-house solar panel installations with fixed pricing. MCS

• J J.S Electrics (JSE) Ltd Cwmbran · Electrical · 1-9 employees

  JS Electrics are a well established electrical contractors in Cwmbran, South Wales providing a broad range of residential and commercial electrical se

• J Jodan Contracts Ltd Merthyr Tydfil · Utilities

  National Grid Electricity Distribution (NGED) approved sub-station specialists, survey, manufacture and installation of steel, fire, security and floo

• J Joe Elliot Electrical & Renewables Ltd Swansea · Electrical · 1-9 employees

  Joe Elliot Electrical & Renewables Ltd is a premier electrical and renewable energy specialist serving Swansea and surrounding areas. With over a deca