Gravitricity Ltd, Development of Hybrid Mechanical and Compressed Air Energy Storage System
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Description
This is a proposal to develop a novel technology based on a combination of using gravity and compressed air
for grid-connected electrical energy storage at a scale from 100kW to 50MW peak power and from 250kWh to
10MWh energy per cycle. This will fill a technology gap between small-scale relatively short-life storage devices
like flywheels and batteries, and inherently large scale systems like pumped storage. It also has major
advantages including rapid response (<2s to full power) and high energy efficiency (>90% round-trip efficiency)
with no cyclic deterioration (performance is not affected by number of storage cycles or by part-loading).
The project will include engineering work to develop all aspects of the technology (including a methodology to
vertically drill holes up to a km deep and 5m in diameter) alongside parallel commercial work to ensure the
technical offering will suit the emerging demand for energy storage on power grids. The project will output fully
costed plans for a proof-of-concept prototype deployment to be deployed within 3-5 years.
| Gravitricity Limited | LEAD_ORG |
| Gravitricity Limited | PARTICIPANT_ORG |
| Charlie Blair | PM_PER |
Subjects by relevance
- Energy
- Warehousing
- Technology
- Energy efficiency
- Technological development
- Electrical power networks
- Compressed air
- Energy technology
- Power engines
Extracted key phrases
- Compressed Air Energy Storage System
- Gravitricity Ltd
- Electrical energy storage
- Hybrid Mechanical
- Life storage device
- Storage cycle
- High energy efficiency
- Large scale system
- Novel technology
- Power grid
- Technology gap
- Development
- Peak power
- Parallel commercial work
- Concept prototype deployment