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2 local comparisons · Llanelli
Solar performance in Llanelli, Carmarthenshire is shaped by homes built across multiple development periods and local installation conditions. In practice, orientation and daily sunlight exposure patterns are key factors when designing efficient systems.
Llanelli, Carmarthenshire features a mix of housing styles that influence solar system design, with system efficiency depending on how well installations are tailored to each property.
Savings in Llanelli, 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.
Property types across Llanelli, Carmarthenshire range from compact residential layouts to larger homes with more flexible roof space. This directly affects panel count and system configuration.
Each installation is typically designed around available space, orientation, and shading conditions.
Energy generation in Llanelli, 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.
Solar panels are usually installed under permitted development in Llanelli, Carmarthenshire, but some properties may require planning permission depending on location and visibility.
Checking local guidance is recommended for properties in restricted zones.
Installations across Llanelli, Carmarthenshire often reflect a balance between roof constraints and energy usage. Systems are typically designed to maximise output within available space.
Battery storage is becoming more common, particularly where excess generation can be shifted into evening use.
What we're seeing locally: Llanelli, Carmarthenshire includes a mix of housing layouts that can influence solar performance, particularly where surrounding buildings or trees introduce partial shading.
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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