1. European Commission 2030 Energy Strategy—European Commission
https://ec.europa.eu/energy/en/topics/energy-strategy-and-energy-union/2030-energy-strategy
2. Ministry of Energy Tourism and Digital Agenda Plan Nacional de Acción de Eficiencia Energética 2017–2020
http://www.idae.es/tecnologias/eficiencia-energetica/plan-nacional-de-accion-de-eficiencia-energetica-2017-2020
3. WindEurope Association Wind Energy Scenarios for 2030
https://windeurope.org/about-wind/reports/wind-energy-scenarios-2030/
4. Informe del Sistema Eléctrico Español 2016
http://www.ree.es/es/estadisticas-del-sistema-electrico-espanol/informe-anual/informe-del-sistema-electrico-espanol-2016
5. Energy Management in Smart Cities Based on Internet of Things: Peak Demand Reduction and Energy Savings