1. International Energy Agency (IEA). Technology Roadmap: Energy Storage. Paris, France, 2014, 64 p.
2. Electric Power Research Institute (EPRI). Electrical Energy Storage Technology Options. Palo Alto (CA), United States, 2010, 170 p.
3. O’Donnell A, Adamson K-A. Thermal Storage for HVAC in Commercial Buildings, District Cooling and Heating, Utility and Grid Support Applications, and High-Temperature Storage at CSP Facilities. Pike Research, New York (NY), United States, 2012.
4. Decourt B, Debarre R. Electricity Storage: Factbook. Schlumberger Business Consulting Energy Institute, Paris, France, 2013, 98 p.
5. Kost C, Mayer JN, Thomsen J, Hartmann N, Senkpiel C, Philipps S, Nold S, Lude S, Saad N, Schlelgl T. Levelized Cost of Electricity Renewable Energy Technologies. Fraunhofer Institute for Solar Energy Systems ISE, Freiburg, Germany, 2013, 50 p.