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Solar Panel Installers in Carmarthenshire

18 MCS-certified solar panel installers based in Carmarthenshire, compared on batteries, accreditations, brands and reviews.

18certified installers
83%also fit batteries
39%offer finance
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Solar panels in Carmarthenshire: the numbers

1,412homes in Carmarthenshire with solar panels on their energy certificate (EPC)
196more added to EPCs in 2025, vs 150 in 2024

All 18 installers, best match first

Most-fitted brands here: Myenergi, SolaX, Aiko, GivEnergy. Most common memberships: TrustMark (5), NAPIT (3), RECC (3).

  1. 1

    Dinefwr Electrical & Solar Ltd

    Penybanc · 25+ years

    BatteriesNAPITRECCTrustMark

    Fits Myenergi, Ohme, SolaX, Zappi

    Get a quote MCS NAP-73076
  2. 2

    RLW Electrical & Solar Limited

    Kidwelly · Est. 2016

    BatteriesNAPIT

    Fits Samsung, Sigenergy · Reviews on Google · Finance available

    Get a quote MCS NAP-75601
  3. 3

    Martin Rees Electrical Contractors Ltd

    Llandovery · Est. 1992

    NICEICRECCTrading StandardsTrustMark

    Fits Tesla · Finance available

    Get a quote MCS NIC-2279
  4. 4

    Efficient Living Solutions UK Ltd

    Llanelli · 18+ years

    BatteriesTrustMark

    Reviews on Checkatrade, Facebook · Finance available

    Get a quote MCS NAP-71402
  5. 5

    PW Solar Ltd

    Carmarthen

    BatteriesNAPITRECC

    Fits Aiko, GivEnergy, Growatt, SolarEdge

    Get a quote MCS NAP-74156
  6. 6

    Solar Save Renewables Limited

    Llandeilo · Est. 2013

    Batteries

    Fits Aiko, DMEGC, GivEnergy, Growatt · Reviews on Facebook

    Get a quote MCS NAP-68361
  7. 7

    Stellar Energy UK Limited

    Llanelli

    BatteriesTrustMark

    Reviews on Trustpilot, Facebook · Finance available

    Get a quote MCS NAP-30484
  8. 8

    LD Eco Ltd

    Llanelli · Est. 2013

    Batteries

    Finance available

    Get a quote MCS NAP-67755
  9. 9

    Thermal Earth Ltd

    Capel Hendre · Est. 2006

    Batteries

    Finance available

    Get a quote MCS NAP-28951
  10. 10

    Solarsurv Ltd

    Llanelli

    Batteries

    Reviews on Facebook

    Get a quote MCS IAA-10296
  11. 11

    Alpha Energy Group Ltd

    Llanelli

    TrustMark

    Finance available

    Get a quote MCS BAB-254344
  12. 12

    A M Power Solutions Ltd

    Carmarthen

    Batteries

    Get a quote MCS NAP-78901
  13. 13

    Birdshill Rural Renewables

    Llandeilo

    Batteries

    Get a quote MCS NAP-53283
  14. 14

    EGNI SOLAR CYMRU LTD

    Carmarthen

    Batteries

    Get a quote MCS SICI-22713
  15. 15

    EJS Electrical & Renewables Ltd

    Pwll

    Batteries

    Get a quote MCS NIC-200254
  16. 16

    Hassie Electrical Ltd

    Kidwelly

    Batteries

    Get a quote MCS NAP-13766
  17. 17

    WILLIAMS SOLAR LTD

    Cross Hands, Llanelli

    Batteries

    Get a quote MCS NAP-74674
  18. 18

    Jones T.V & Electrical Ltd

    Carmarthen

    Get a quote MCS NIC-3442

Questions

How many MCS-certified solar panel installers are there in Carmarthenshire?

We list 18 MCS-certified solar panel installers based in or near Carmarthenshire. MCS certification is required for the Smart Export Guarantee and the Boiler Upgrade Scheme.

How many homes in Carmarthenshire have solar panels?

1,412 homes in Carmarthenshire have solar panels recorded on their energy performance certificate, including 196 added in 2025. Homes without a recent EPC aren't counted, so the real number is higher.

Do solar installers in Carmarthenshire also fit batteries?

15 of the 18 solar installers listed here are also MCS-certified for battery storage.

Which brands do solar panel installers in Carmarthenshire fit?

The most-fitted brands among installers here are Myenergi (2 installers), SolaX (2 installers), Aiko (2 installers), GivEnergy (2 installers).

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