Hitachi, Ltd. announced on August 6 that it delivered its grid energy storage system to the newly established Matsuyama Battery Energy Storage System in Ehime Prefecture, and that the station began operation on August 1.
The Matsuyama Battery Energy Storage System (rated output: 12 MW, rated capacity: 35.8 MWh) is an energy storage facility newly established in Matsuyama City by Matsuyama Mikan Energy LLC, which was jointly founded by Shikoku Electric Power and CHC Japan.
Hitachi, Ltd. delivered a complete set of its grid energy storage system to this new energy storage station. This system was implemented through the comprehensive "One Hitachi" approach that leverages the integrated capabilities of the Hitachi Group, carrying out design, procurement, construction, and testing in an end-to-end manner. This is the first grid energy storage system delivered domestically by the Hitachi Group.
The delivered system utilizes Hitachi Energy's power conversion solutions with an extensive track record in global implementation. It consists of a power conversion system (PCS) for energy storage batteries and a power plant controller (PPC), as well as photovoltaic inverters (PVI) and advanced multi-port power station (AMPS) that connect photovoltaic power generation and energy storage batteries via direct current.
In addition to performing efficient energy storage and discharge in accordance with power supply and demand balance, the system offers features to manage high-quality power supply and provide adjustment capabilities that respond to fluctuations in renewable energy output. By virtues of these features, the system supports the stabilization of power supply and demand and contributes to the realization of a decarbonized society.
The introduction of renewable energy such as photovoltaic power generation is progressing as we work toward the realization of a carbon-neutral society by 2050, as envisioned by the government. Meanwhile, power supply and demand balance and fluctuations in power generation output due to weather conditions have become challenges.
The utilization of energy storage stations is attracting attention as one solution to this. Battery energy storage stations enable the utilization of renewable energy and adjustment of power supply and demand balance by charging during periods of high-power generation and discharging during periods of high consumption.
In light of this, Matsuyama Mikan Energy LLC planned the construction of the Matsuyama Battery Energy Storage System in 2023. For the construction, they decided to adopt Hitachi's grid energy storage system, valuing the Hitachi Group's ability to provide comprehensive support from system design to equipment supply, installation work, and commissioning, as well as its track record and reliability cultivated over many years in the electric power field.
This article has been translated by JST with permission from The Science News Ltd. (https://sci-news.co.jp/). Unauthorized reproduction of the article and photographs is prohibited.