Questions tagged [energy-storage]
creating a buffer that allows energy to be collected and used at different times.
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Is there enough total Lithium in the Earth's crust to make sufficient grid storage to meet total global Winter energy demand?
I'm fact checking the statement: "There isn't enough Lithium in the planet (Earth) to store enough energy to make it 4 months through the Winter" here: https://youtu.be/fzzWVLSPgK4?t=192
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What are the most viable options for long-duration storage of large amounts of energy?
With renewables being in large part weather-dependent, the issue of energy storage is slowly moving to the center stage of the incipient net-zero economy. Lithium ion batteries are kinda good, but ...
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What is the most economical and convenient house battery type?
I suppose a 5kWh storage would be more than enough for a minimalist house with solar energy system.
Lithium-Ion electric car batteries would do the job, but they are too expensive and I am not sure ...
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Why is there no spring based energy storage?
I'm wondering about kinetic energy storage for homes. Imagine a concrete plate resting on hundreds of firmly attached sturdy springs, and a couple of electric winches attached to the top.
To store ...
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Water electrolysis for storing energy
When wind and solar generate surplus energy, can it be used to break water into oxygen and hydrogen and to store the gases in liquid form for later use as an energy source?
Was this ever tried in any ...
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Are a significant portion of electric vehicle batteries reused as grid-connected batteries?
I've heard lots of people mention that concerns about the sustainability of electric vehicles are mitigated when you consider that at end-of-life the batteries can be reused as stationary, grid ...
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Why is the usage factor for utility-scale storage declining in the U.S.?
This chart from the U.S. Energy Information Agency was published last week in the article "EIA expands data on capacity and usage of power plants, electricity storage systems":
The text of the ...
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Are there any good diy examples of home level STES or BTES
I just came across the concept of STES - Seasonal Thermal Energy Storage and more specifically BTES - Borehole Thermal Energy Storage.
(Example project)
I wondered if anyone had built a small scale ...
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Is it possible to harvest energy from the storm?
My idea of a device for harvesting energy from wind
If used in reality, this device will harvest significant amounts of energy from wind, waves and storms. This not only solved the problem of energy ...
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Is Tesla Powerwall a good investment?
I'm trying to determine if investing in a couple of Tesla Powerwall units to store solar energy is a wise financial decision.
My energy cost is $0.1649/kWh. The installed price of the two Powerwall ...
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Energy storage idea: Pumped hydroelectric storage in ocean using difference in salt content
Note: Updated the calculation, found an error. With that, the concept isn't economically viable any more.
I wanted to share a concept for a possible cheap large scale energy storage concept that has ...
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Domestic flywheel energy storage: how close are we?
I've done some web searches, but I don't see anything very current on how close we are to having a home energy storage flywheel system that's comparable in price and performance to a battery system.
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What's the average efficiency of pumped hydroelectric energy storage facilities?
Pumped hydroelectric storage has, to date, been the most scalable way to store electricity (in this case, in the form of gravitational potential energy), allowing us to spread the time between when ...
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What alternatives to batteries exist to store solar energy at home?
What viable options (other than batteries) exist for a home owner to be able to store energy from solar panels for use at night or when the sun isn't shining?
I realise there will be losses in the ...
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If I can create enough electricty from solar should I store and use it rather than feed back to the grid?
When we installed our solar PV system in 2010 there were several reasons it wasn't feasible at that time to store and use the power we were generating instead of feeding into the grid.
The main ...
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