1. Don Von Dollen Electric Power Research Institute (EPRI), “Report to NIST on the Smart Grid Interoperability Standards Roadmap” June 17, 2009 (Contract No. SB1341-09-CN-0031—Deliverable 7).
2. http://www.smartgrids.eu/.
3. http://enphase.com/products/microinverters/.
4. http://www.enecsys.com/.
5. http://www.sma-america.com/en_US/products/grid-tied-inverters/sunny-boy/sunny-boy-240-us.html.