Skip to content

Carmarthenshire CC

Solar and Electrical Contractors in Llandeilo

FLD's closest rural market town at 48 minutes, gateway to the Tywi valley's most productive farm solar catchment

Postcodes
SA19
Local authority
Carmarthenshire CC
Drive from HQ
32 mi · 48 min
Solar yield
960 kWh/kWp
SA19 48 min from our Swansea base 960 kWh/kWp solar yield Commercial energy intensity: Medium

Serving Llandeilo

Llandeilo is a small Georgian market town on the River Tywi in Carmarthenshire, population approximately 3,000, and one of the most visited market towns in mid-Wales. Its commercial and cultural reputation exceeds its size: the Tywi valley here is widely considered among the most scenic river landscapes in Wales, and the town is the gateway to Dinefwr Park and Newton House -- a National Trust estate of major significance.

Carmarthenshire County Council administers the area. The town sits 32 miles from FLD's Swansea base, making it the closest rural Welsh market town in the portfolio by drive time -- a 48-minute journey via the A483 and A40.

The economy pivots around independent food, drink and craft retail concentrated along Rhosmaen Street and the market square, agricultural supply serving the surrounding Tywi valley farming community, and the steady visitor flow generated by Dinefwr Park. The National Trust Dinefwr estate runs a substantial working farm alongside the historic house and deer park -- exactly the kind of large-acreage agricultural holding where Farming Connect grants and SFS co-investment are most impactful for solar.

Housing in the town centre is predominantly Georgian and early Victorian, with a small conservation area covering the market square and principal streets. Rooftop solar on rear-facing pitches within the conservation area proceeds under permitted development as normal; front-elevation work within the designated area requires planning assessment. FLD pre-checks the conservation boundary position for every Llandeilo domestic survey before booking.

The agricultural hinterland east of Llandeilo along the A483 toward Llandovery carries some of the most productive dairy and beef farms in Carmarthenshire. Soil quality in the Tywi flood plain is among the best arable land in Wales, and the farms here are financially stronger than the upland hill-farming operations further north -- which translates to more capital available for solar capex outright purchase without grant dependency.

At 960 kWh/kWp PVGIS yield, a 60 kWp dairy farm installation east of Llandeilo generates 57,600 kWh annually. With 75% self-consumption across parlour, refrigeration and water-heating loads at 27p/kWh, year-one saving reaches approximately £13,000 on £55,000 capex. At this scale, Farming Connect grant is not always necessary -- AIA full-expensing alone produces post-tax payback of approximately 2.8 years.

FLD covers Llandeilo on the same day as Ammanford and Llandovery, combining into a Tywi-Cennen valley circuit. At 48 minutes, it is comfortably accessible for a same-day return consultation.

Commercial solar estimate — Llandeilo

100 kWp reference system at 960 kWh/kWp

Modelled at 27p/kWh blended import, 15p/kWh SEG export, 65% self-consumption for medium energy intensity site.

96,000
kWh/yr
Annual generation
£21,888
per year
Annual saving
3.9
years
Simple payback
2.9
years (AIA)
Post-tax payback
Indicative only. Based on PVGIS irradiance data for Llandeilo. Actual figures depend on roof orientation, shading and tariff. Request a detailed survey.
Domestic solar

Housing stock in Llandeilo

Georgian and early Victorian market-town centre, conservation area streets, rural farmhouses and holdings

A typical 4 kWp domestic install here generates 3,840 kWh/yr. With 40% self-consumption at 30p/kWh and 60% SEG export at 15p/kWh, first-year saving is approximately £806.

960
kWh/kWp/yr
PVGIS irradiance

Local landmarks and context

  • Dinefwr Park and Newton House (National Trust)
  • Carreg Cennen Castle
  • River Tywi

Major employers we work with

  • National Trust Dinefwr
  • Independent retail and hospitality SMEs
  • Tywi valley farming community

Recent local developments

  • Dinefwr National Trust sustainability programme
  • Carmarthenshire Farming Connect uptake
  • Tywi Active Travel route
From the blog

Guides for Llandeilo

Farm solar in the Tywi valley: Llandeilo, Dinefwr and the Carmarthenshire farm payback case

A guide to farm solar for Llandeilo and the Tywi valley -- Farming Connect grants, SFS co-investment, dairy and beef farm payback examples, and why the Tywi flood plain produces the best solar payback figures in Carmarthenshire.

5 min
Read
FAQ

FAQs for Llandeilo

Usually yes. Dairy, pig, poultry and grain-drying operations have large daytime loads that match solar output. A 50 kWp farm array generating 47,500 kWh a year, with 75% self-consumption at 28p/kWh plus 25% export at 12p/kWh, delivers first-year benefit of c. £11,400 against capex of c. £45,000. Simple payback 3.9 years, post-tax payback c. 2.9 years with Annual Investment Allowance. Farming Connect grants can shorten this further.
Farming Connect provides capital grants of up to 40% for solar PV installations on agricultural buildings -- farm offices, dairy units, pig and poultry sheds, and machinery stores. Applications require a pre-application consultation with a Farming Connect business development manager and a full business case. FLD coordinates the Farming Connect application alongside the feasibility survey, including the energy audit and business case documentation the scheme requires. Welsh-medium applications are available.
Yes, depending on organisation type. Welsh SMEs and public bodies can access the Welsh Government Energy Service, Ynni Cymru Capital Grants (approximately £10 m in 2026-27, £25,000 to £1 m per project) and Development Bank of Wales Green Business Loans. Welsh public-sector bodies use Salix Wales Funding Programme rather than the English Public Sector Decarbonisation Scheme. Farms may be eligible under Farming Connect. Always check current-year terms before committing.
Most rooftop non-domestic solar is permitted development under the Welsh General Permitted Development Order amendments, subject to limits such as 20 cm protrusion on pitched roofs and 1 m on flat roofs, and with restrictions for listed buildings and conservation areas. Ground-mount beyond those PD limits needs a full planning application. Systems over 10 MW are a Development of National Significance determined by Welsh Ministers.
Yes, for domestic systems. MCS certification of the installation is required to claim SEG payments with any UK supplier. We are MCS-certified and handle the paperwork as part of the install.

Ready for a fixed-price quotation?

Speak to Paul directly. Most quotes turn around within five working days of a site survey.

Trusted by NHS care providers, HMCTS and private developers across South Wales.