Viewing profile — reyoz

We have a company fleet which is being slowly converted to EV where possible in line with company net zero policy so there is good charging infrastructure that is extended to all e…

Many retailers have been offering this for ~6 months already. Very popular with home battery owners (which have taken off over the last 9 months thanks to subsidies), so much so th…

This is what I am doing. 42 kWh battery, 6 kW solar and fully electrified house, 2x EVs. I am able to charge cars at work and so in the depths of winter I am able to run the house …

RO does use a lot of energy to overcome the osmotic pressure and to create flux through the membrane. An interesting concept is using the reverse process, "forward" osmosis, to ext…

Having a diversity of water supplies and using water fit for purpose reduces demand for drinking water. Toilet flushing, irrigation and even washing machines do not need high quali…

For a short backstory on Wittenoom, an former asbestos mining town in remote Western Australia see this video https://www.youtube.com/watch?v=q3LDoI7H1Gc I once worked with an envi…

A recent report [1] looked at the efficiencies of generating hydrogen at a waste water treatment plant to lower production costs. The WWTP provides the water and uses the oxygen th…

I put in a Sanden heat pump to replace an old electric gravity water heater 1.5 years ago. Based on power meter data it uses 30% of the energy of the old system on average. This is…