Alan Kohler is one of Australia’s most experienced business commentators. Alan has been a trusted source of investment advice to Australians for many years, and in 2005 he founded Eureka Report - Australia’s #1 online investment report. Along with Robert Gottliebsen and Stephen Bartholomeusz, Alan also founded Business Spectator, the popular business news and commentary website. Alan is the regular finance presenter on the ABC News and producer of the popular nightly graph (or two).
Some people think the $5 billion Tesla gigafactory is big. But we spend $1.5 trillion every year on cars and $3 trillion on oil. That money will allow us to transform production of batteries just like is happening in solar.
Energy efficiency is, unsurprisingly, one of the few climate change related topics the G20 will consider at its Brisbane Summit. Australia should focus on progressing past appliance standards to installation measures.
Businesses have shown themselves to be spectacularly effective at delivering on NSW's energy efficiency target. Yet, despite today's announcement, the government still dithers over its longer-term plans for the target.
In September of this year, several manufacturers released bulbs surpassing 100 lumens per watt - more than five-times traditional LED ratings - but they remain often the most expensive bulbs on the shelf.
Off-grid systems will be increasingly affordable for average households – so if grid operators continue protectionist policies to block homes from exporting solar, it will just force more savvy PV owners to disconnect.