Difference between revisions of "Storage"
From energypedia
***** (***** | *****) (outlook for both types of storage) |
***** (***** | *****) (added long-term storage) |
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| + | === Long-term storage === | ||
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| + | ==== Power-to-gas ==== | ||
| + | https://en.wikipedia.org/wiki/Power-to-gas | ||
Revision as of 23:29, 28 April 2022
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
