Energy Dome Grid-Scale Carbon Dioxide Battery
Sector: Energy Storage • Location: Ottana, Sardinia, Italy
Source: AOL
Energy Dome has built a 20-megawatt, long-duration energy-storage facility in a gated industrial complex near Ottana, Sardinia. The facility uses a grid-scale carbon dioxide battery that compresses CO2 to store 200 MWh of electricity for the grid. The bubble-shaped structure is visible from surrounding villages, and the developer is headquartered on the mainland. The company plans to build replica
- Status
- Closed
- Sector
- Energy Storage, Power Generation (CCGT), Manufacturing (Industrial)
- Location
- Ottana, Sardinia, Italy
- Updated
- 22 Jul 2026
- Source
- AOL
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Project Information
Participants
| Not available for this record. |
Status
Original status | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Energy Dome has built a 20-megawatt, long-duration energy-storage facility in a gated industrial complex near Ottana, Sardinia. The facility uses a grid-scale carbon dioxide battery that compresses CO2 to store 200 MWh of electricity for the grid. The bubble-shaped structure is visible from surrounding villages, and the developer is headquartered on the mainland. The company plans to build replicas of the system on multiple continents in partnership with Google. |
Original sector | Energy |
Location
Country | Italy |
State | Sardinia |
City | Ottana |
Source
Source | AOL |
URL |
More Details
Record type | Project |
Sector | Energy Storage, Power Generation (CCGT), Manufacturing (Industrial) |
Article published date | 2026-05-10 |
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