A worker wearing an orange jacket labeled 'Tewdric Energy' is installing or inspecting electrical components on a metal rooftop near the coast, with a green grassy field, trees, and water in the background.

Powering Change, Locally

We install solar panels, battery storage, and EV chargers—helping homes and communities across South Wales take control of their energy.


At Tewdric Energy, we’re your smart, local energy partner—putting power in people’s hands, from grid to ground.

Our mission is to deliver smart sustainable energy solutions to help homes and business in south Wales and the South West to reduce their energy costs.

Three men standing outdoors in front of a white brick wall holding a large sign that reads 'Tewdric Energy'. All three are wearing orange safety jackets and smiling.

We’re a trusted installation company of solar panels, batteries and electric vehicle charging points in homes, businesses and car parks to combines smart technology with energy efficiency for the highest cost savings.

Tewdric Energy is committed to bringing lower cost renewable energy to the public, private and third sectors.

Our localised Smart Grids utilise the latest in energy innovation and technology resulting in reliable and future proof infrastructure.

A national Electric Vehicle (EV) charging network will allow EV owners access to low cost energy produced and supported by the localised generation and Smart Grid projects.

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Recent Customer Reviews

  • “For us, the speed of the project was key and Tewdric Energy was able to deliver on that. We also instantly see a reduction in the bills”

    Kelly, Vale of Glamorgan

  • "With Energy prices at an all time high, we wanted to move quickly because every day that went by was a day that was draining our resources. Tewdric's team managed the project so well that it felt like they were able to deliver almost instantly”

    Sully Sports and Social Club

  • “Jaga Brothers decided to use Tewdric Energy because they are a leading supplier with a unique Energy Management and Optimisation Service (EMOS) with a wealth of knowledge in the renewal energy sector plus experience of working with DBW who are offering millions of pounds towards Green Energy Loan Schemes such as ours.”

    James Hill, Jaga Brothers

  • OZEV-approved Chargepoint Installer

    We are approved to install EV Chargers for the OZEV grant schemes.

    Read more about it below

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  • RECC blue logo with tick

    Renewable Energy Consumer Code Assurance Scheme

    As a member of the RECC assurance scheme, we aim to deliver a high quality experience and offer financial protection to our customers wishing to install our renewable energy systems.

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  • Microgeneration Certification Scheme (MCS)

    As a registered MCS provider Tewdric Energy are authorised to provide expert advice and install and commission renewable energy services for our customers to the scheme’s expected high standards.

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  • NAPIT

    We are a NAPIT certificated scheme member and have demonstrated our competence, hold the necessary insurances and use the right processes and procedures to assure our regulatory compliance. We have chosen to be NAPIT members as they require high quality standards and unlike other MCS accreditation bodies NAPIT recognise our competencies in installing both Solar PV and Battery Storage systems.

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  • Disclosure and Barring Service (DBS) Security Checks

    Our Installation teams are fully qualified and trained with a personal and friendly approach. They are qualified in all aspects of renewable energy systems.

    Both our Sales and Installation teams have undertaken Disclosure and Barring Service (DBS) Security Checks.

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  • GivEnergy

    GivEnergy

    We are accredited by GivEnergy as we share the same vision and work towards the same goal. The GivEnergy vision: To create a reliable and accessible smart ecosystem to reduce energy costs and environmental impacts, through education, technology and data. Our Electrical Engineers are trained and certified GivEnergy Installers.

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  • Trustmark

    Trustmark

    TrustMark is the only UK Government-Endorsed Quality Scheme for home improvements carried out in and around the home. Trustmark are passionate about quality and assurance and what that means for homeowners and our Registered Businesses.

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  • Solar Edge

    Solar Edge

    Our Electrical Engineers have progressed through the Solar Edge Academy and are certified installers of their range of high quality renewable energy products.

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  • BPEC certified

    BPEC are a recognised industry leading national provider of vocational training in the UK. Our Electrical Engineers have BPEC qualifications in both Solar PV Systems and Battery Storage systems.

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  • Tesla

    We are a certified Tesla installer!

    We are fully qualified and insured to install all of your Tesla products. Whether that’s a Powerwall or an at home EV charger.

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  • Green Homes Wales

    Green homes Wales

    Tewdric is working with a number of customers applying for the GHW scheme, which gives you access to the loan and grant scheme for home owners looking to make their homes more efficient.

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