[holding answer 23 November 2009]: The Department does not hold the number of all household installations which have taken place in the last 10 years. Under the Government’s grant programmes since 2001 we are able to provide the number of technologies which have received support:
Technology England Scotland Wales Micro Wind 539 51 69 Small Scale Hydro 4 — 1 Solar Thermal 5,264 7 455 Ground Source Heat Pump 482 1 61 Air Source Heat Pump 141 — 12 Biomass Room Heater 7 — 3 Solar PV 1,892 24 70 Wood Fuelled Boiler 326 5 66
Technology England Scotland Wales Micro Wind 193 28 27 Small Scale Hydro 0 0 0 Solar Thermal 527 35 64 Ground Source Heat Pump 309 13 10 Air Source Heat Pump 19 0 0 Biomass 1— 1— 1— Solar PV 1,432 63 80 Wood Fuelled Boiler 37 4 4 1 See boiler figure
Technology England Scotland Wales Solar PV 1,008 43 73
Technology England Scotland Wales Micro Wind 206 — — Small Scale Hydro 15 — — Solar Technologies 5,799 — — Ground Source Heat Pump 473 — — Wood Fuelled Boiler 90 — — Pellet Stoves 50 — —
The Scottish Community and Household Renewables Initiative has supported the following number of installations since 2003:
Technology Number of installations in Scotland Micro Wind 202 Small Scale Hydro 10 Solar Thermal 1,549 Ground Source Heat Pump 1,026 Air Source Heat Pump 197 Biomass 254 Solar PV 13
The Department does not hold information on the number of households that purchase electric vehicles.