Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : June 17, 2024 - June 18, 2024
Due to growing concerns over climate change as well as to recent cost declines, variable renewable energies (VRE) have rapidly been diffusing worldwide. Massive deployment of VRE, however, requires additional costs related to the intermittency of VRE, known as integration costs. These cost increases are related closely to the required power storage capacities. Electrification should be promoted in non-electric sectors, such as industries, which shares approx. 70% of enthalpy-basis energy consumption in Japan. Given that thermal energy is mostly used in the industry sector, energy policy makers should consider energy balance over society. One of green transformation policies is the energy storage. The research committee of energy storage technologies toward carbon neutrality developed four suggestions: 1) Development of energy storage best mix, 2) Transformation to green society, 3) utilization of heat storage technologies, and 4) Development of energy storage strategy beyond 2050. This paper describes suggestion 1) Development of energy storage best mix in response to large-scale deployments of variable renewable energy.
