Storage technologies
Used in variables: storage_installed_volume, storage_output
tech_storage
├── thermal # Thermal energy storage
│ ├── thermal_short # Short-term thermal energy storage
│ └── thermal_long # Long-term thermal energy storage
├── h2 # Hydrogen storage
│ ├── h2_short # Short-term hydrogen storage
│ └── h2_long # Long-term hydrogen storage
├── electricity # Electricity storage
│ ├── batteries # Battery storage
│ └── phs # Pumped hydro storage
├── methane # Methane storage
├── liquid_fuels # Liquid fuels storage
└── waste # Waste storage