reyoz

8 ms·

1.
by reyoz 2mo ago
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 employees. We also have other initiatives such as solar and b
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by reyoz 2mo ago
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 that the effect of people turning on loads is suspected as the
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by reyoz 2mo ago
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 by charging during the 3 hour window. There have been just a
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by reyoz 3y ago
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 extract the energy where fresh water mixes with seawa
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by reyoz 3y ago
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 quality drinking water. I have 5,000L of rainwater storage that I
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by reyoz 6y ago
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 environmental engineer who had a grandfather th
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by reyoz 6y ago
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 that is also produced by electrolysis to increase the efficien
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Hydrogen production at wastewater treatment plants(yvw.com.au)
1 points by reyoz 6y ago|0 comments
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by reyoz 6y ago
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 probably understated as hot water consumption has gone up a