- Council of European Energy Regulators (CEER): Papers & Reports.
- European Environment Agency: Documents.
- National Renewable Energy Laboratory of U.S. (NREL): Publications.
- International Energy Agency: Publications.
- International Renewable Energy Agency (IRENA): Reports and papers.
- Live CO2 emissions of the European electricity production.
- OpenEI: Open Energy Information.
- Renewable Energy Policy Network for the 21st Century (REN21): Publications.
- Right Relevance: Renevable Energy (articles, influencers and conversations).