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Difference between revisions of "Storage"
***** (***** | *****) (added cost of gravitricity) |
***** (***** | *****) m (→Gravity Battery: typo) |
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| Line 30: | Line 30: | ||
***up/down hill railway | ***up/down hill railway | ||
**underground | **underground | ||
| − | ***[https://gravitricity.com/ Gravitricity] - using deep mines. Best | + | ***[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) |
[[Category:Storage]] | [[Category:Storage]] | ||
Revision as of 21:17, 9 November 2021
Battery
Pros:
- density
Cons:
- price
- degradation
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)
- above ground
