Difference between revisions of "Pumped Hydroelectric Energy Storage"
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{{Energy Storage Technology Simple | {{Energy Storage Technology Simple | ||
|imgdesc=Cross section of a pumped hydroelectricity station | |imgdesc=Cross section of a pumped hydroelectricity station. Image Courtesy of Voith Hydro. | ||
}} | }} | ||
{{#set: | {{#set: | ||
Has How it Works Description=Water is pumped up hill with excess energy which is stored as gravitational potential energy. When energy is needed, water flows down through the generator to produce electricity. | Has How it Works Description=Gravitational potential energy ↔ kinetic energy ↔ electricity | ||
Water is pumped up hill with excess electrical energy which is stored as gravitational potential energy. When energy is needed, water flows down through the generator to produce electricity. | |||
|Has Varieties= | |Has Varieties= | ||
|Has Efficiency Range= | |Has Efficiency Range=70-85% | ||
|Has Cycle Life= | |Has Cycle Life=60-100 years<ref>The world’s water battery: Pumped hydropower storage and the clean energy transition, IHA, December 2018"</ref> | ||
|Has | |Has Technology readiness level=9 - Fully Mature | ||
|Has Benefits=*Mature bulk storage | |Has Benefits=* Ability to integrate inverter-based renewables | ||
* Mature, flexible, bulk storage | |||
|Has Challenges=*Geographical | |Has Challenges=* Capital intensive | ||
* | * Geographical limits | ||
|Has Application= | *Permitting (open-loop) | ||
|Has Application=Bulk, long-duration services, power regulation and load following | |||
|Has image=File:PumpedHydro.PNG | |Has image=File:PumpedHydro.PNG | ||
|Has Installed Capacity=>160 GW | |||
}} | }} | ||
Revision as of 15:49, 22 December 2021
Basic Technology Characteristics
Cross section of a pumped hydroelectricity station. Image Courtesy of Voith Hydro. | |
|---|---|
| How it Works: | Gravitational potential energy ↔ kinetic energy ↔ electricity
Water is pumped up hill with excess electrical energy which is stored as gravitational potential energy. When energy is needed, water flows down through the generator to produce electricity. |
| Benefits: |
|
| Challenges: |
|
| Technology Variations: | |
| Applications: | Bulk, long-duration services, power regulation and load following |
| AC RTE Efficiency: | 70-85% |
| Cycle Life: | 60-100 years1 |
| Technology Readiness Level (TRL): | 9 - Fully Mature |
| Installed Capacity: | >160 GW |
- ↑ The world’s water battery: Pumped hydropower storage and the clean energy transition, IHA, December 2018"