What type of coolant should you use for your solar system?

I just came across an interesting item describing the three most common types of coolant for solar hot water systems and some of their properties. The article seems to be written by the manufacturer so there may be a bit of bias, but it does highlight the issues inherent in coolant selection. It is short […]

The same old energy mix — The Japan Times editorial

The same old energy mix — The Japan Times editorial. I follow the folks that write Japan Safety: Nuclear Energy Updates and they just posted an article from the Japan Times where they look at the current government’s plans for energy sustainability over the next few decades. The picture is disturbing in light of the […]

Construction is set to begin on a $150 million-plus solar powered greenhouse in South Australia’s Port Augusta

John [jpratt27] has published an excellent summary of a new plan to develop a new solar-powered greenhouse in South Australia.  This plant will not only produce fresh vegetables but will also be used to desalinate water in a very arid region.  A few more details are needed about how the resulting salts will be dealt […]