Smart Internet+Smart-Grid: making money and reducing carbon footprint
Two technology/commercial trends are coming our way in Australia: the Internet everywhere (3G wireless or NBN), means "smart controllers" will be cheap, simple and everywhere. They will be able to trivially hook into 3-7 day local forecasts, especially useful for air-conditioning units. "Smart Power" metering will start to charge power at different prices during the day, rather than the disconnected traditional pricing of "a single price whenever you use it". You can see real-time wholesale electricity prices on-line and a Pretty graph in 30-min periods. Yesterday (12/12/11), the 30-min price varied from $52/MWhr @ 4PM to $16/MWhr @ 2AM. In 5-min periods , the price ranged from $95 to $16. There's a bit of background you may or may not know about Power Generators: they over-build capacity to meet any and all demands placed on them. There aren't just no incentives for Power Generators or their customers to reduce either aggregate or instantaneou...