by JAK | May 6, 2015 | big ideas, development, industry futures, video
A few days ago Tesla solved one of the bigger problems for renewable energy – low cost storage. “Tesla’s home battery, named “Powerwall,” is a rechargeable lithium-ion battery that mounts on the wall and comes in 7 kilowatt-hour or 10 kilowatt-hour...
by JAK | Jan 16, 2013 | big ideas, industry futures, video
One of the questions that comes up when researching solar power is that as all of the generation comes during daylight hours it is off-peak and less useful. In Australia daytime energy use is actually peak because of air conditioning and I suspect the changing work...
by JAK | Jan 9, 2013 | big ideas, development, industry futures
This week I have been updating my notes on solar power generation. What seems clear in global terms is that in the US, Germany and Australia there has been much more proactive legislation to support and encourage the growth of renewables. New Zealand is fortunate in...
by JAK | Jan 4, 2013 | big ideas
Many NZ consumers will be wondering if solar power for the home is a practical option. In simple terms despite New Zealand having mostly renewable energy our power costs to the home have continued to climb in the past few years despite low inflation. In real terms...