- Knowledge of: a) Production of electrical energy, petrol products, natural gas and manufactured gas, coke and coke-oven and blast furnace gas. b) Trade of coal, electrical energy, fuel gases and coke. c) Consumption by consumer sector.
- Institutions that intervene
- General description (main variables)
- Movement of raw materials, stocks and distribution of products. Distinguishing, as may be the case, by type of power station, employed personnel, income and expenses, investments made. By complete listing.
- Companies and establishments in the energy sector
- Frequency of data collection
- Mensual y anual
- Budgetary credits necessary for its finance in the four-year period 1997-2000 (in thousands pesetas)