Small wind turbines in the UK: an honest take

Tempting, romantic, and usually the wrong answer — with exceptions.

The honest answer most sellers won't give: for the average garden, a small wind turbine underperforms badly. Rated outputs ("400W!") assume steady 12m/s wind; a typical sheltered garden averages 3–5m/s, where the same turbine makes 10–40W. Turbulence from buildings and trees makes it worse, and bearings wear out.

When wind *does* make sense:

Genuinely exposed sites — coastal, hilltop, open farmland (much of coastal Scotland qualifies)
As a winter partner to solar — UK wind peaks in exactly the months solar collapses, so a hybrid system can shrink the battery bank you'd otherwise need
Mounted properly: on a pole well clear of obstructions, never on a house wall (vibration and noise)

If you're considering it, put an anemometer up for a month first — £25 of measurement beats £400 of disappointment. For most people, that wind-turbine budget buys more useful energy as an extra panel and a bigger battery.

From EcoPowerful — plain-English DIY solar & wind guidance for UK homes, with a free instant system plan builder. Guidance is general; 230V fixed wiring always needs a qualified electrician. Last updated 2026-06-13.