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1 local comparisons · Cardiff

Compare Solar Panels & Installation in Cardiff

Across Cardiff, solar installations reflect a mix of property types and regional conditions. Across the region, regional housing variation and installation conditions play a key role in overall solar performance.

This creates variation in system sizing, performance, and design approaches depending on location within the county.

Savings in Cardiff 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 £626 to £626, with most systems delivering around £626 annually.

Housing across Cardiff varies significantly between towns, suburban developments, and rural properties. This creates variation in system sizing and installation approaches.

Larger detached homes in rural areas often support bigger systems, while more compact town properties require careful panel placement.

Energy generation in Cardiff 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 2844 per year, with higher-performing setups reaching 2844. Most installations include approximately 6 panels.

Typical yearly generation

2844 kWh

What a usual system here is modelled to produce

Typical yearly saving

£626

From £626 to £626

Usual system

6 panels

Mostly 400W

Best result in the data

2844 kWh

Highest modelled yearly output

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Why Cardiff scores 84

Properties here are typically modelled at 2844 kWh a year, from systems of about 6 panels. The score mixes that output with how many people are comparing solar in the area.

Most installations in Cardiff 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.

Installations across Cardiff reflect a mix of urban and rural energy usage patterns, influencing system sizing and design.

Properties with more available space typically achieve higher output and flexibility in system configuration.

What we're seeing locally: Cardiff includes a mix of housing layouts that can influence solar performance, particularly where surrounding buildings or trees introduce partial shading.

Cardiff at a glance

Local score

84

out of 100

Yearly output

2844

kWh, best 2844

Yearly saving

£626

up to £626

South-facing roofs

100%

of modelled systems

Average system

6

panels, scale to 40

Common panel class

400W

scale to 600W

Best modelled year

2844

kWh peak in the data

Roof direction

South 100%

100%

East/west 0%

0%

Mixed 0%

0%

Flat 0%

0%

What people in Cardiff ask for

Residential solar in Cardiff

Figures come from real residential comparisons for local homes. They show the system sizes people compare and the generation those sizes reach.

Panel typeTypical setupAverage yearly generation
6 panel system
High-efficiency panel
6 panels2844 kWh

Installers covering Cardiff

Article image
Green Energy Solar

Unit T3, Capital Business Park, Parkway, St. Mellons, Cardiff CF3 2PZ, UK CF3 2PZ

Article image
GMI Electrical Ltd

Unit 1B Whitebeam Court Rhodfa, Ty Du Road, Nelson, Treharris CF46 6PQ, UK CF46 6PQ

Article image
alt Renewables

T&L Business Park, Winterstoke Rd, Weston-super-Mare BS23 3YS, UK BS23 3YS

How Cardiff sits next to nearby areas

Most homes here are modelled around 2844 kWh a year, with typical savings of £626.

Nearby Home solar panel installation

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FAQ

Need Help? RoboMo's Got Answers

Do homes in Cardiff need planning permission for solar panels?
Most residential properties fall under permitted development, but conservation areas or listed buildings may require approval depending on placement and visibility.
Are detached homes in Cardiff better suited for solar installations?
Detached properties often provide more usable roof space and fewer shading constraints, making them well suited for larger systems.
Is battery storage commonly used in Cardiff?
Yes, battery storage is increasingly used to store excess generation and improve self-consumption, especially in homes with lower daytime usage.
What affects solar performance in Cardiff?
Roof orientation, shading, and available space all influence system performance, making tailored system design important.
Are solar panels worth it in Cardiff?
Solar panels can be a worthwhile investment in Cardiff, particularly for homes with suitable roof space and good daylight exposure. Based on comparison data, typical systems are generating around 2844 kWh per year, with average savings of approximately £626 depending on system size and usage.
How much can you save with solar panels in Cardiff?
Savings in Cardiff vary depending on system design and electricity usage. Most installations currently fall within a range of £626 to £626 per year, with many achieving around £626 under typical conditions.
How many solar panels are typically installed in Cardiff?
Most systems across Cardiff use around 6 panels. This reflects common installation sizes based on roof space, system design, and typical household electricity demand.
Do solar panels perform well in Cardiff?
Solar panels perform reliably in Cardiff, with consistent generation throughout the year. Typical systems produce around 2844 kWh annually, although output depends on roof direction, shading, and installation quality.
What type of solar panels are commonly used in Cardiff?
The most commonly installed panels in Cardiff fall within the 400W range. These are widely used because they balance performance, cost, and efficient use of available roof space.
Is demand for solar increasing in Cardiff?
Yes, demand for solar is increasing in Cardiff. There have been 1 recorded comparisons, reflecting growing interest from homeowners exploring installation options.
Does roof direction affect solar performance in Cardiff?
Roof direction has a direct impact on solar performance. South-facing systems typically generate the most electricity, and in Cardiff, around 100% of systems are installed facing south. East and west-facing systems are also common and can provide more balanced generation across the day.

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