Questions tagged [renewables]

a resource that can be created or used over and over again without depleting the materials from which it is made.

Renewables is an umbrella term for resources that can be created and used without depleting the materials from which it is made. Examples are crops (provided growing them doesn't erode the soil) or wind energy, geothermal energy and solar energy. Water can also be a renewable resource but in many places on Earth it is used unsustainably by removing more water than can be replenished naturally.

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Why create green hydrogen using renewable energy? Why not directly use electricity from Renewable sources?

We generate "green hydrogen" using electrolysis of water which is powered by Renewable energy sources like Solar Panels, Wind mills, Hydro power etc. When we obtain such hydrogen and store it for use later on to generate electricity, the output can…
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How close are renewables prices to scrap value?

I suspect that it's less than a factor of two. Is this right? A 1 kw panel has 10kg of silicon at $20/kg. That's $200 for a panel that costs less than $400, at 34 cents/watt. A 1.5mw turbine has 170 tons of steel worth $2.4/kg. That's $408k for…
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