AS countries navigate around competing demands for energy, rising gas and oil prices, security of supply and carbon emissions, one strategy seems to have been overlooked. A house turned into a power plant by fitting photovoltaic panels, a small wind turbine or a gas boiler that also generates electricity may seem trivial next to a giant hydroelectric dam. But looks can be deceiving. A recent UK government report estimates that such microgeneration could supply 25 per cent of the country’s electricity by 2050.
If you doubt the power of small-scale investment, think computer power. Thirty years ago computers were mainframes…
