Day: Tuesday, 6th October 2015
Time: 11:30 – 13:00
Room: Auditorium 2
With the emergence of variable renewable energy sources, such as solar photovoltaics and wind power, flexibility requirements in the power system are generally increasing. However, what is not so clear yet is what “increasing flexibility requirements” actually means. In order to develop the appropriate technical solutions, it is important to first understand and differentiate between the different types of use cases from which flexibility requirements arise. In electricity systems, different cases for electricity storage can be identified such as: System-level cost/price arbitrage, Balancing power (frequency control) and Power quality (voltage- & current-quality control).
The Energy Storage (ES) market and the demand for cost effective technological solutions are drivers. Electric Energy Storage (EES) is the capability of storing electricity or energy to produce electricity and releasing it for use during other periods when its utilisation is more beneficial. EES is however requires bulky, costly equipment. There is a large variety of ES technical solutions including various form of energy including potential-, kinetic-, chemical (including electrochemical), electrostatic, magnetic-and thermal- energy. When establishing the viability of an energy storage technology two categories should be considered: Technical viability (energy density, power-density and response time, reliability, self-discharge rates) and economic viability (capital and operational cost, interest rates, round trip efficiency and scalability).
Questions to be addressed by the session
- What will drive the future battery market?
- Is energy storage a necessary condition for a large uptake of VRE in South Africa?
- Will solar PV and batteries be the only components of the future power system?
- What impact would a steep cost reduction of utility scale batteries have on the energy mix?
- What are the major barriers to the uptake of battery storage for various applications?
- Mr. Cedric Philibert, Energy and Climate Change Analyst, International Energy Agency (IEA)
- Mr. Bernard Bladergroen, Associate Professor, Deputy Director South African Institute for Advanced Materials Chemistry, Vice Chair International Association of Hydrogen Energy Young Division, University of the Western Cape, South Africa
- Mr. Tobias Bischof-Niemz, Chief Engineer: R&D Core (Energy), Council for Scientific and Industrial Research (CSIR), South Africa
- Mr. Wido Schnabel, Member of Management Committee, South African Photovoltaic Industry Association (SAPVIA), South Africa (tbc)
- Ms. Daniela Schmidt, Innovation and Technology Center, International Renewable Energy Agency (IRENA)
- Mr. Barry MacColl, General Manager – Research, Testing and Development, Eskom, South Africa