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2 local comparisons · Carmarthenshire
Solar installation patterns across Carmarthenshire vary significantly between towns and residential areas. Across the region, differences in property types and solar exposure across towns play a key role in overall solar performance.
Across the wider Carmarthenshire region, system performance is influenced by a mix of urban housing, suburban developments, and rural properties.
Savings in Carmarthenshire depend on how well system size matches energy usage. Homes with higher daytime consumption typically see stronger returns, while others benefit from battery storage.
Based on real comparison data, households typically see savings ranging from £2246 to £3318, with most systems delivering around £2782 annually.
Across Carmarthenshire, different towns present different solar installation conditions, from dense housing layouts to more open properties.
This variation means system design must be adapted based on location within the county.
Energy generation in Carmarthenshire depends on roof orientation, shading, and system size. South-facing roofs generally achieve the highest output, while east-west systems provide more balanced generation.
Typical systems generate around 12646 per year, with higher-performing setups reaching 15083. Most installations include approximately 37 panels.
Typical yearly generation
12646 kWh
What a usual system here is modelled to produce
Typical yearly saving
£2782
From £2246 to £3318
Usual system
37 panels
Mostly 400W
Best result in the data
15083 kWh
Highest modelled yearly output
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Properties here are typically modelled at 12646 kWh a year, from systems of about 37 panels. The score mixes that output with how many people are comparing solar in the area.
Most installations in Carmarthenshire fall under permitted development, but conservation areas and listed buildings may require additional approvals.
Positioning and visual impact can influence planning decisions in certain cases.
Observed installation patterns across Carmarthenshire show variation between towns, with system sizes and configurations differing based on property type and density.
Battery storage is increasingly used across the region to improve self-consumption and balance generation.
What we're seeing locally: Properties in Carmarthenshire can experience different levels of solar exposure depending on surrounding structures, which influences overall system efficiency.
Local score
out of 100
Yearly output
kWh, best 15083
Yearly saving
up to £3318
South-facing roofs
of modelled systems
Average system
panels, scale to 40
Common panel class
scale to 600W
Best modelled year
kWh peak in the data
Roof direction
South 0%
East/west 100%
Mixed 0%
Flat 0%
Figures come from real residential comparisons for local homes. They show the system sizes people compare and the generation those sizes reach.
| Panel type | Typical setup | Average yearly generation |
|---|---|---|
| 42 panel system High-efficiency panel | 42 panels | 15084 kWh |
| 31 panel system High-efficiency panel | 31 panels | 10209 kWh |
Unit T3, Capital Business Park, Parkway, St. Mellons, Cardiff CF3 2PZ, UK CF3 2PZ
Unit 1B Whitebeam Court Rhodfa, Ty Du Road, Nelson, Treharris CF46 6PQ, UK CF46 6PQ
T&L Business Park, Winterstoke Rd, Weston-super-Mare BS23 3YS, UK BS23 3YS
Most homes here are modelled around 12646 kWh a year, with typical savings of £2782.
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