I have an 8.5kW Tesla Solar only (i.e., no Powerwall) set up on my house. I recently got a Model Y and wondering if it's better to charge when the sun is down or when the solar panels are active... assuming that the grid's kW/hr pricing is the same during those times. Thoughts?
... its not going to happen overnight!
In 2010, per megawatt electricity cost around $378, now it's around $68. Solar used to be expensive than nuclear, coal, offshore wind; by a large margin. Now it's cheaper than all of them [Source: OurWorldInData Org].
How has solar power achieved such a massive shift in cost in such a small amount of time?
This is the best tl;dr I could make, original reduced by 62%. (I'm a bot)
> The temperature difference can be increased as high as 20.9 °C, which is much higher than the typical temperature differences of 1.5 to 4.1 °C of wearable thermoelectric generators driven by body heat.
> The research team expects that their wearable solar thermoelectric generator proposes a promising way to further improve the efficiency by raising the temperature difference.
> There has been a great increase in the study of wearable thermoelectric generators using the temperature difference between the body heat and surrounding environment.
> "Through this study, we have secured a temperature difference with the ten-fold increase from the conventional wearable solar thermoelectric generators," says Yeon Soo Jung in the Graduate School of Materials Science and Engineering at UNIST. "Since the output of a TE generator is proportional to the square root of the temperature difference, one can significantly increase the output with the help of this technology."
> In this study, Professor Choi and his team designed a noble wearable solar thermoelectric generator by integrating flexible BiTe-based TE legs and sub-micron thick solar absorbers on a polymide substrate.
> "Wearable solar thermoelectric generator driven by unprecedentedly high temperature difference." Nano Energy,.
Summary Source | FAQ | Feedback | Top keywords: wearable^#1 difference^#2 temperature^#3 solar^#4 generator^#5
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https://preview.redd.it/zl5y937r1t281.png?width=1080&format=png&auto=webp&s=96f1aa2fa2ce488fb64a1997abea521be7e15de0
A group of Alphabet scientists created a device capable of producing clean water from solar energy. According to the project, one square meter of photovoltaic panels can result in 5 liters of drinking water daily.
The device collects water from the air through moisture and then stores the liquid delivered ready to be consumed.
https://preview.redd.it/n924qzdsjmy71.png?width=1200&format=png&auto=webp&s=23587e85693e2125182be42de612a8bff1bead6b
Who would have thought that in rainy old blighty that that might ever be possible. Even in this terrible month of May the panels have generated 140Kwh of energy. All this on the roof of a Chapel built in 1860.
