Table 3.
Processed data included in the dataset across technologies.
| Parameter | Code | Unit | Description |
|---|---|---|---|
| Reference years | estimation_year | – | Year of the data estimation |
| Inflation rate | avg_inflation_rate | % | Average inflation rate between report year and reference year (2024) |
| Nominal size | nominal_power nominal_capacity |
kW kg kWh |
Standardization of the nominal size units |
| Efficiency | efficiency round_trip_efficiency |
%LHV % |
Standardization of the efficiency units |
| Capital Expenditure | CAPEX | currency/kW currency/kWh |
Standardization of CAPEX units |
| Operational Expenditure | OPEX | %CAPEX | Standardization of OPEX units |
| CAPEX actualization | CAPEX_actualized | Currency2024/kW | Actualization of the CAPEX at 2024 |
| CAPEX currency conversion | CAPEX_EUR | €2024/kW | Conversion of the original currency into euros |
| CAPEX projection to 2024 | CAPEX_EUR_learning_curve | €2024/kW | Projection of the CAPEX_EUR to the reference year 2024 |
| CAPEX based on cost functions | CAPEX_EUR_cost_function | €2024/kW | Estimation of the CAPEX based on the system size |
| Pressure | working_pressure_status minimum_pressure_in maximum_pressure_out |
Pressurized/Atmospheric bar |
Status of the system's operating pressure |