| Subject | English | Portuguese |
| energ.ind. | multiannual programme of studies, analyses, forecasts and other related work in the energy sector | Programa ETAP |
| nat.sc., energ.ind. | Multiannual Programme of studies, analyses, forecasts and other related work in the energy sector | Programa ETAP |
| nat.sc., energ.ind. | Multiannual Programme of studies, analyses, forecasts and other related work in the energy sector | programa plurianual de estudos, análises, previsões e outras ações conexas no setor da energia |
| nat.sc., energ.ind. | Multiannual Programme of studies, analyses, forecasts and other related work in the energy sector | Programa plurianual de estudos, análises, previsões e outros trabalhos conexos no setor da energia |
| energ.ind. | Multiannual programme of studies, analyses, forecasts and other related work in the energy sector | Programa plurianual de estudos, análises, previsões e outras ações conexas no setor da energia |
| nat.sc., energ.ind. | Programme of studies, analyses and forecasts and other related work in the energy sector | Programa plurianual de estudos, análises, previsões e outros trabalhos conexos no setor da energia |
| nat.sc., energ.ind. | Programme of studies, analyses and forecasts and other related work in the energy sector | Programa ETAP |
| nat.sc., energ.ind. | Programme of studies, analyses and forecasts and other related work in the energy sector | programa plurianual de estudos, análises, previsões e outras ações conexas no setor da energia |
| stat. | studies and analyses | estudos e análises |