1. European Commission, Clean energy for all Europeans, online: https://ec.europa.eu/energy/en/topics/energy-strategy-and-energy-union/clean-energy-all-europeans.
2. Italian Ministry for Economic Development, Proposal of a National integrated plan for energy and climate, [Proposta di piano nazionale integrato per l’energia e il clima], available online (in Italian): https://energiaclima2030.mise.gov.it/index.php/il-piano.
3. Federal Energy Regulatory Commission (FERC), Distributed energy resources-technical considerations for the bulk power system, April 5th, 2018, available online: https://www.federalregister.gov/documents/2018/05/04/2018-09450/distributed-energy-resources-technical-considerations-for-the-bulk-power-system-notice-inviting.
4. Italian Authority for Energy, Networks and Environment (ARERA), Status of use and integration of production plants powered by renewable sources and distributed generation, [Stato di utilizzo e di integrazione degli impianti di produzione alimentati dalle fonti rinnovabili e di generazione distribuita], August 2nd, 2018, available online (in Italian): https://www.arera.it/it/docs/18/428-18.htm.
5. Impact of network regulation on the incentive for DG integration for the DSO: Opportunities for a transition toward a smart grid;Picciariello;IEEE Trans. Smart Grid,2015