Press release -
NGK Begins Operation of NAS Batteries for Self-Wheeling for Renewable Energy Electricity by OMRON FIELD ENGINEERING ~ Promote Self-Procurement of Electricity from Renewable Energy by Utilizing Large-Capacity Storage Batteries
NGK INSULATORS, LTD. (hereinafter “NGK”) announces that it has received an order from OMRON FIELD ENGINEERING CO., LTD. (hereinafter “OFE”) and has begun operation of NAS® batteries for the storage of procured electricity for self-wheeling* of electricity derived from renewable energy.
The NAS batteries have been installed at a solar power generation plant newly established in idle land within Miyazu City, Kyoto Prefecture (the former site of a ski slope), and will be used for self-wheeling in which electricity (electricity from renewable energy) derived from renewable energy will be supplied to OMRON’s Keihanna Innovation Center (in Kizugawa City, Kyoto Prefecture), a remote area, through a power transmission and distribution network of general power transmission and distribution system operators. Combining the NAS batteries, which enable large-capacity power storage, and OFE’s energy management system will enable optimal control of electricity from renewable energy, which varies in the amount generated depending on the length of daylight hours and weather, and will promote the self-generation and self-consumption (self-procurement) of electricity from renewable energy, as well as contribute to the reduction of carbon-dioxide (CO2) emissions from business activities. Going forward, OFE is also considering utilization of the large capacity of NAS batteries for use as emergency power sources at municipal facilities during disasters and participating in the capacity market or the supply-demand adjustment market.
In an aim toward carbon neutrality, NGK is working on RE100, an initiative that aims for corporations to cover the electricity used in business activities with 100% renewable energy. It is projected that there will be future demand for self-wheeling as a solution to the introduction of electricity from renewable energy which had been difficult to procure due to issues such as limited space to install solar power generation equipment.
NAS batteries can discharge electricity over long periods of time thanks to their large capacity, so they are used for various purposes such as the stabilization of renewable energy, adjustments to the balance of supply and demand of electricity, and emergency power sources. They have so far been installed at more than 250 locations worldwide, and significantly help to reduce environmental loads. By demonstrating the usefulness of NAS batteries through self-wheeling, NGK will advance further sales promotions and help contribute to expanding the implementation of renewable energy around the world as well as to the realization of carbon neutrality.
*Self-wheeling: An electricity supply system that allows business operators who own power generation equipment for self-generation to transmit and supply the electricity generated by utilizing that equipment to the company’s own factory or business location in remote areas and use it through a power transmission and distribution network of general power transmission and distribution system operators.
Overview of the Delivered NAS Batteries
Installation site : OMRON Miyazu Solar Power Generation Plant (Miyazu City, Kyoto Prefecture)
Rated output : 200 kW
Rated capacity : 1,200 kWh
Number of units : 1 container type unit
Applications : self-wheeling
Start of operation : January 2023
Flowchart of self-wheeling project for electricity from renewable energy
Installed NAS battery
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About NGK Insulators
NGK INSULATORS (NGK) is a leading company in the field of ceramics.
Since its foundation in 1919, NGK has used its unique ceramic technology to provide numerous ground-breaking products that solve social issues. Today, NGK is active in more than 20 countries worldwide, with business foci including mobility, energy, IoT and industry. As one of the largest manufacturers of ceramic substrates for automotive catalytic converters, NGK has built on this to also develop new products and businesses with ceramics that actively reducing the strain on our global environment.
Furthermore, NGK’s products include the energy storage system “NAS” batteries, in addition to the compact, thin, and high-energy-density lithium-ion rechargeable battery “EnerCera” line, vital tools for sustainable energy infrastructure.
NGK focuses on the two business fields “carbon neutrality” and” digital society” and is aiming to realize 80% of total company sales in these two fields whilst also achieving net-zero CO2 emissions by 2050. Through providing innovative, high-quality products, NGK is committed to contributing to our society. In order to create a future where people can coexist with nature, NGK will continue to develop and provide products that support social infrastructure while preserving the environment.
