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Difference between revisions of "Storage"
***** (***** | *****) (→Gravity Battery: added citation) |
***** (***** | *****) (outlook for both types of storage) |
||
| Line 8: | Line 8: | ||
* price | * price | ||
* degradation | * degradation | ||
| + | Outlook: going to become cheaper | ||
[[:Category:Batteries]] | [[:Category:Batteries]] | ||
| Line 31: | Line 32: | ||
**underground | **underground | ||
***[https://gravitricity.com/ Gravitricity] - using deep mines. Best for shafts >300m deep. Cost: 171 USD per MWh (less than 1/2 of the cost of Li-ion battery)<ref>https://gravitricity.com/technology/</ref> | ***[https://gravitricity.com/ Gravitricity] - using deep mines. Best for shafts >300m deep. Cost: 171 USD per MWh (less than 1/2 of the cost of Li-ion battery)<ref>https://gravitricity.com/technology/</ref> | ||
| − | + | Outlook: cost breakthrough is expected | |
[[Category:Storage]] | [[Category:Storage]] | ||
| + | <references /> | ||
Revision as of 01:24, 21 November 2021
Battery
Pros:
- density
Cons:
- price
- degradation
Outlook: going to become cheaper
Gravity Battery
Pros:
- price per MWh stored
- longevity
Cons:
- density
Types:
- Pumped storage hydroelectricity
- Solid mass:
- above ground
- crane
- Energy Vault - 20 MWh capacity, using cranes
- up/down hill railway
- crane
- underground
- Gravitricity - using deep mines. Best for shafts >300m deep. Cost: 171 USD per MWh (less than 1/2 of the cost of Li-ion battery)[1]
- above ground
Outlook: cost breakthrough is expected
