1. Challenge and Opportunity: Charting a New Energy Future, Appendix A: Working Group Reports,2002
2. SmartGrids—Strategic Deployment Document for European Electricity Networks of the Futurehttp://www.smartgrids.eu/documents/SmartGrids_SDD_FINAL_APRIL2010.pdf
3. Why Smart Grids Are Different in Europe and the U.S. 2009https://idc-insights-community.com/energy/smart-grid/why-smart-grids-are-different-in-europe-and-the-us
4. The path of the smart grid