1. IPCC. Summary for Policymakers. In: Global warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty [V. Masson-Delmotte, P. Zhai, H. O. Pörtner, D. Roberts, J. Skea, P.R. Shukla, A. Pirani, W. Moufouma-Okia, C. Péan, R. Pidcock, S. Connors, J. B. R. Matthews, Y. Chen, X. Zhou, M. I. Gomis, E. Lonnoy, T. Maycock, M. Tignor, T. Waterfield (eds.)]. In press. https://www.ipcc.ch/site/assets/uploads/sites/2/2019/05/SR15_SPM_version_report_LR.pdf [accessed February 03, 2020].
2. BMWi. Zeitreihen zur Entwicklung der erneuerbaren Energien in Deutschland. Federal Ministry for Economic Affairs and Energy (BMWi); 2019. https://www.erneuerbare-energien.de/EE/Redaktion/DE/Downloads/zeitreihen-zur-entwicklung-der-erneuerbaren-energien-in-deutschland-1990-2018.pdf;jsessionid=2208E0A2E2596A02D5AF2102C5AF055B?__blob=publicationFile&v=22 [accessed November 08, 2019].
3. BMWi. Zahlen und Fakten – Energiedaten. Federal Ministry for Economic Affairs and Energy (BMWi); 2019 https://www.bmwi.de/Redaktion/DE/Artikel/Energie/energiedaten-gesamtausgabe.html [accessed November 08, 2019].
4. Power-to-heat for renewable energy integration: a review of technologies, modeling approaches, and flexibility potentials;Bloess;Appl Energy,2018
5. A comprehensive model for the German electricity and heat sector in a future energy system with a dominant contribution from renewable energy technologies – part I: methodology;Henning;Renew Sustain Energy Rev,2014