Is plug-in solar worth it for your home?
A site-specific estimate of annual yield and payback for plug-in solar — using Environment Agency LIDAR to model the shading around your address.
How it works
We resolve your postcode against Ordnance Survey data, ray-trace the surrounding buildings from Environment Agency LIDAR, then ask PVGIS for an annual yield given the shading we found. Your address isn't stored — only a hashed key for caching.
Modelling shading and yield.
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Here's what we found.
What the sun sees from your balcony
Grey is the sky blocked by nearby buildings (LIDAR-derived). Gold arcs trace the sun on midsummer, the equinox, and midwinter. Where a gold arc dips into the grey, the sun is hidden then.
- Midsummer
- Equinox
- Midwinter
- Panel faces
Generation by month
How we worked this out
- Panel orientation
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- Panel tilt
- .
- Approximate observer height
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- Building height (LIDAR)
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- Address precision
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- System size
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Tariff and savings
- Tariff
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- Solar-weighted import rate
- .
- Annual savings
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- Lifetime savings (20 years, net of capex)
- .
Self-consumption fraction defaults to 60% (spec §3.7). Time-of-use tariffs use a typical-day model. Refresh quarterly.
Tell me when kits arrive in the UK.
Plug-in solar is in regulatory limbo here — the kits available elsewhere in Europe aren't legally for sale in Britain yet. We're tracking the market. Leave your email and we'll let you know when things change.