This ebook provides a guide to windpower and the use of wind turbines. The full contents list is as follows. Introduction History The case for wind power Can you use the wind’s power? Wind turbine design Types of Windmills Sizing your system Rotor Design (horizontal axis Cut-in wind speed Rated wind speed Rated output Peak output Maximum design wind speed Generators Towers Energy Usage Grid-connected system Energy Storage Batteries Hot water Topping up wind generated electricity Photovoltaics (PV) Water power Wave energy Diesel and petrol generators Biomass Solar water heating Ground source heat pumps (GSHP) NOTICE Website links 44 Pages