| Electricity substation |
| Electricity storage |
| Gas compressor station |
| Gas node |
| Gas reverse flow |
| Underground gas storage |
| LNG terminal |
| Adaptation low to high calorific gas |
| Smart electricity grids substation |
| CO2 injection and surface facilities |
| Other essential CO2 equipment |
| CO2 liquefaction and buffer storage |
| Oil terminal |
| Electrolyser |
| Hydrogen terminal |
| Hydrogen storage |
| Other hydrogen assets |